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Moved poll handling to the generic part of the server objects. 

Fixed busy waiting on POLLERR events.
Merged struct client into struct thread.
This commit is contained in:
Alexandre Julliard 2000-01-01 00:56:27 +00:00
parent 81ee21ddff
commit 1dca5e24c7
25 changed files with 619 additions and 880 deletions
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1
server/Makefile.in
View File

@ -25,7 +25,6 @@ C_SRCS = \
semaphore.c \
snapshot.c \
sock.c \
socket.c \
thread.c \
timer.c \
trace.c \

26
server/change.c
View File

@ -27,24 +27,26 @@ static int change_signaled( struct object *obj, struct thread *thread );
static const struct object_ops change_ops =
{
sizeof(struct change),
change_dump,
add_queue,
remove_queue,
change_signaled,
no_satisfied,
no_read_fd,
no_write_fd,
no_flush,
no_get_file_info,
no_destroy
sizeof(struct change), /* size */
change_dump, /* dump */
add_queue, /* add_queue */
remove_queue, /* remove_queue */
change_signaled, /* signaled */
no_satisfied, /* satisfied */
NULL, /* get_poll_events */
NULL, /* poll_event */
no_read_fd, /* get_read_fd */
no_write_fd, /* get_write_fd */
no_flush, /* flush */
no_get_file_info, /* get_file_info */
no_destroy /* destroy */
};
static struct change *create_change_notification( int subtree, int filter )
{
struct change *change;
if ((change = alloc_object( &change_ops )))
if ((change = alloc_object( &change_ops, -1 )))
{
change->subtree = subtree;
change->filter = filter;

205
server/console.c
View File

@ -38,8 +38,6 @@ struct screen_buffer;
struct console_input
{
struct object obj; /* object header */
int fd; /* file descriptor */
int select; /* select user id */
int mode; /* input mode */
struct screen_buffer *output; /* associated screen buffer */
int recnum; /* number of input records */
@ -49,8 +47,6 @@ struct console_input
struct screen_buffer
{
struct object obj; /* object header */
int fd; /* file descriptor */
int select; /* select user id */
int mode; /* output mode */
struct console_input *input; /* associated console input */
int cursor_size; /* size of cursor (percentage filled) */
@ -61,16 +57,12 @@ struct screen_buffer
static void console_input_dump( struct object *obj, int verbose );
static int console_input_add_queue( struct object *obj, struct wait_queue_entry *entry );
static void console_input_remove_queue( struct object *obj, struct wait_queue_entry *entry );
static int console_input_signaled( struct object *obj, struct thread *thread );
static int console_input_get_poll_events( struct object *obj );
static int console_input_get_read_fd( struct object *obj );
static void console_input_destroy( struct object *obj );
static void screen_buffer_dump( struct object *obj, int verbose );
static int screen_buffer_add_queue( struct object *obj, struct wait_queue_entry *entry );
static void screen_buffer_remove_queue( struct object *obj, struct wait_queue_entry *entry );
static int screen_buffer_signaled( struct object *obj, struct thread *thread );
static int screen_buffer_get_poll_events( struct object *obj );
static int screen_buffer_get_write_fd( struct object *obj );
static void screen_buffer_destroy( struct object *obj );
@ -79,32 +71,36 @@ static int console_get_info( struct object *obj, struct get_file_info_request *r
static const struct object_ops console_input_ops =
{
sizeof(struct console_input),
console_input_dump,
console_input_add_queue,
console_input_remove_queue,
console_input_signaled,
no_satisfied,
console_input_get_read_fd,
no_write_fd,
no_flush,
console_get_info,
console_input_destroy
sizeof(struct console_input), /* size */
console_input_dump, /* dump */
default_poll_add_queue, /* add_queue */
default_poll_remove_queue, /* remove_queue */
default_poll_signaled, /* signaled */
no_satisfied, /* satisfied */
console_input_get_poll_events, /* get_poll_events */
default_poll_event, /* poll_event */
console_input_get_read_fd, /* get_read_fd */
no_write_fd, /* get_write_fd */
no_flush, /* flush */
console_get_info, /* get_file_info */
console_input_destroy /* destroy */
};
static const struct object_ops screen_buffer_ops =
{
sizeof(struct screen_buffer),
screen_buffer_dump,
screen_buffer_add_queue,
screen_buffer_remove_queue,
screen_buffer_signaled,
no_satisfied,
no_read_fd,
screen_buffer_get_write_fd,
no_flush,
console_get_info,
screen_buffer_destroy
sizeof(struct screen_buffer), /* size */
screen_buffer_dump, /* dump */
default_poll_add_queue, /* add_queue */
default_poll_remove_queue, /* remove_queue */
default_poll_signaled, /* signaled */
no_satisfied, /* satisfied */
screen_buffer_get_poll_events, /* get_poll_events */
default_poll_event, /* poll_event */
no_read_fd, /* get_read_fd */
screen_buffer_get_write_fd, /* get_write_fd */
no_flush, /* flush */
console_get_info, /* get_file_info */
screen_buffer_destroy /* destroy */
};
@ -117,21 +113,13 @@ static struct object *create_console_input( int fd )
file_set_error();
return NULL;
}
if ((console_input = alloc_object( &console_input_ops )))
{
console_input->fd = fd;
console_input->mode = ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT |
ENABLE_ECHO_INPUT | ENABLE_MOUSE_INPUT;
console_input->output = NULL;
console_input->recnum = 0;
console_input->records = NULL;
console_input->select = add_select_user( fd, default_select_event, console_input );
if (console_input->select != -1) return &console_input->obj;
release_object( console_input );
return NULL;
}
close( fd );
return NULL;
if (!(console_input = alloc_object( &console_input_ops, fd ))) return NULL;
console_input->mode = ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT |
ENABLE_ECHO_INPUT | ENABLE_MOUSE_INPUT;
console_input->output = NULL;
console_input->recnum = 0;
console_input->records = NULL;
return &console_input->obj;
}
static struct object *create_console_output( int fd, struct object *input )
@ -144,26 +132,15 @@ static struct object *create_console_output( int fd, struct object *input )
file_set_error();
return NULL;
}
if ((screen_buffer = alloc_object( &screen_buffer_ops )))
{
screen_buffer->fd = fd;
screen_buffer->mode = ENABLE_PROCESSED_OUTPUT | ENABLE_WRAP_AT_EOL_OUTPUT;
screen_buffer->input = console_input;
screen_buffer->cursor_size = 100;
screen_buffer->cursor_visible = 1;
screen_buffer->pid = 0;
screen_buffer->title = strdup( "Wine console" );
screen_buffer->select = add_select_user( fd, default_select_event, screen_buffer );
if (screen_buffer->select == -1)
{
release_object( screen_buffer );
return NULL;
}
console_input->output = screen_buffer;
return &screen_buffer->obj;
}
close( fd );
return NULL;
if (!(screen_buffer = alloc_object( &screen_buffer_ops, fd ))) return NULL;
screen_buffer->mode = ENABLE_PROCESSED_OUTPUT | ENABLE_WRAP_AT_EOL_OUTPUT;
screen_buffer->input = console_input;
screen_buffer->cursor_size = 100;
screen_buffer->cursor_visible = 1;
screen_buffer->pid = 0;
screen_buffer->title = strdup( "Wine console" );
console_input->output = screen_buffer;
return &screen_buffer->obj;
}
/* allocate a console for this process */
@ -223,10 +200,8 @@ static int set_console_fd( int handle, int fd_in, int fd_out, int pid )
assert( !input->obj.head );
assert( !output->obj.head );
change_select_fd( input->select, fd_in );
change_select_fd( output->select, fd_out );
input->fd = fd_in;
output->fd = fd_out;
change_select_fd( &input->obj, fd_in );
change_select_fd( &output->obj, fd_out );
output->pid = pid;
release_object( input );
release_object( output );
@ -360,54 +335,19 @@ static void console_input_dump( struct object *obj, int verbose )
{
struct console_input *console = (struct console_input *)obj;
assert( obj->ops == &console_input_ops );
fprintf( stderr, "Console input fd=%d\n", console->fd );
fprintf( stderr, "Console input fd=%d\n", console->obj.fd );
}
static int console_input_add_queue( struct object *obj, struct wait_queue_entry *entry )
static int console_input_get_poll_events( struct object *obj )
{
struct console_input *console = (struct console_input *)obj;
assert( obj->ops == &console_input_ops );
if (!obj->head) /* first on the queue */
set_select_events( console->select, POLLIN );
add_queue( obj, entry );
return 1;
}
static void console_input_remove_queue( struct object *obj, struct wait_queue_entry *entry )
{
struct console_input *console = (struct console_input *)grab_object(obj);
assert( obj->ops == &console_input_ops );
remove_queue( obj, entry );
if (!obj->head) /* last on the queue is gone */
set_select_events( console->select, 0 );
release_object( obj );
}
static int console_input_signaled( struct object *obj, struct thread *thread )
{
struct console_input *console = (struct console_input *)obj;
assert( obj->ops == &console_input_ops );
if (check_select_events( console->fd, POLLIN ))
{
/* stop waiting on select() if we are signaled */
set_select_events( console->select, 0 );
return 1;
}
else
{
/* restart waiting on select() if we are no longer signaled */
if (obj->head) set_select_events( console->select, POLLIN );
return 0;
}
return POLLIN;
}
static int console_input_get_read_fd( struct object *obj )
{
struct console_input *console = (struct console_input *)obj;
assert( obj->ops == &console_input_ops );
return dup( console->fd );
return dup( console->obj.fd );
}
static int console_get_info( struct object *obj, struct get_file_info_request *req )
@ -429,7 +369,6 @@ static void console_input_destroy( struct object *obj )
{
struct console_input *console = (struct console_input *)obj;
assert( obj->ops == &console_input_ops );
remove_select_user( console->select );
if (console->output) console->output->input = NULL;
}
@ -437,61 +376,25 @@ static void screen_buffer_dump( struct object *obj, int verbose )
{
struct screen_buffer *console = (struct screen_buffer *)obj;
assert( obj->ops == &screen_buffer_ops );
fprintf( stderr, "Console screen buffer fd=%d\n", console->fd );
fprintf( stderr, "Console screen buffer fd=%d\n", console->obj.fd );
}
static int screen_buffer_add_queue( struct object *obj, struct wait_queue_entry *entry )
static int screen_buffer_get_poll_events( struct object *obj )
{
struct screen_buffer *console = (struct screen_buffer *)obj;
assert( obj->ops == &screen_buffer_ops );
if (!obj->head) /* first on the queue */
set_select_events( console->select, POLLOUT );
add_queue( obj, entry );
return 1;
}
static void screen_buffer_remove_queue( struct object *obj, struct wait_queue_entry *entry )
{
struct screen_buffer *console = (struct screen_buffer *)grab_object(obj);
assert( obj->ops == &screen_buffer_ops );
remove_queue( obj, entry );
if (!obj->head) /* last on the queue is gone */
set_select_events( console->select, 0 );
release_object( obj );
}
static int screen_buffer_signaled( struct object *obj, struct thread *thread )
{
struct screen_buffer *console = (struct screen_buffer *)obj;
assert( obj->ops == &screen_buffer_ops );
if (check_select_events( console->fd, POLLOUT ))
{
/* stop waiting on select() if we are signaled */
set_select_events( console->select, 0 );
return 1;
}
else
{
/* restart waiting on select() if we are no longer signaled */
if (obj->head) set_select_events( console->select, POLLOUT );
return 0;
}
return POLLOUT;
}
static int screen_buffer_get_write_fd( struct object *obj )
{
struct screen_buffer *console = (struct screen_buffer *)obj;
assert( obj->ops == &screen_buffer_ops );
return dup( console->fd );
return dup( console->obj.fd );
}
static void screen_buffer_destroy( struct object *obj )
{
struct screen_buffer *console = (struct screen_buffer *)obj;
assert( obj->ops == &screen_buffer_ops );
remove_select_user( console->select );
if (console->input) console->input->output = NULL;
if (console->title) free( console->title );
}

26
server/device.c
View File

@ -34,23 +34,25 @@ static int device_get_info( struct object *obj, struct get_file_info_request *re
static const struct object_ops device_ops =
{
sizeof(struct device),
device_dump,
no_add_queue,
NULL, /* should never get called */
NULL, /* should never get called */
NULL, /* should never get called */
no_read_fd,
no_write_fd,
no_flush,
device_get_info,
no_destroy
sizeof(struct device), /* size */
device_dump, /* dump */
no_add_queue, /* add_queue */
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satisfied */
NULL, /* get_poll_events */
NULL, /* poll_event */
no_read_fd, /* get_read_fd */
no_write_fd, /* get_write_fd */
no_flush, /* flush */
device_get_info, /* get_file_info */
no_destroy /* destroy */
};
static struct device *create_device( int id )
{
struct device *dev;
if ((dev = alloc_object( &device_ops )))
if ((dev = alloc_object( &device_ops, -1 )))
{
dev->id = id;
}

24
server/event.c
View File

@ -28,17 +28,19 @@ static int event_satisfied( struct object *obj, struct thread *thread );
static const struct object_ops event_ops =
{
sizeof(struct event),
event_dump,
add_queue,
remove_queue,
event_signaled,
event_satisfied,
no_read_fd,
no_write_fd,
no_flush,
no_get_file_info,
no_destroy
sizeof(struct event), /* size */
event_dump, /* dump */
add_queue, /* add_queue */
remove_queue, /* remove_queue */
event_signaled, /* signaled */
event_satisfied, /* satisfied */
NULL, /* get_poll_events */
NULL, /* poll_event */
no_read_fd, /* get_read_fd */
no_write_fd, /* get_write_fd */
no_flush, /* flush */
no_get_file_info, /* get_file_info */
no_destroy /* destroy */
};

118
server/file.c
View File

@ -32,8 +32,6 @@
struct file
{
struct object obj; /* object header */
int fd; /* file descriptor */
int select; /* select user id */
struct file *next; /* next file in hashing list */
char *name; /* file name */
unsigned int access; /* file access (GENERIC_READ/WRITE) */
@ -46,9 +44,7 @@ struct file
static struct file *file_hash[NAME_HASH_SIZE];
static void file_dump( struct object *obj, int verbose );
static int file_add_queue( struct object *obj, struct wait_queue_entry *entry );
static void file_remove_queue( struct object *obj, struct wait_queue_entry *entry );
static int file_signaled( struct object *obj, struct thread *thread );
static int file_get_poll_events( struct object *obj );
static int file_get_read_fd( struct object *obj );
static int file_get_write_fd( struct object *obj );
static int file_flush( struct object *obj );
@ -57,17 +53,19 @@ static void file_destroy( struct object *obj );
static const struct object_ops file_ops =
{
sizeof(struct file),
file_dump,
file_add_queue,
file_remove_queue,
file_signaled,
no_satisfied,
file_get_read_fd,
file_get_write_fd,
file_flush,
file_get_info,
file_destroy
sizeof(struct file), /* size */
file_dump, /* dump */
default_poll_add_queue, /* add_queue */
default_poll_remove_queue, /* remove_queue */
default_poll_signaled, /* signaled */
no_satisfied, /* satisfied */
file_get_poll_events, /* get_poll_events */
default_poll_event, /* poll_event */
file_get_read_fd, /* get_read_fd */
file_get_write_fd, /* get_write_fd */
file_flush, /* flush */
file_get_info, /* get_file_info */
file_destroy /* destroy */
};
@ -103,23 +101,19 @@ static int check_sharing( const char *name, int hash, unsigned int access,
return 0;
}
/* create a file from a file descriptor */
/* if the function fails the fd is closed */
static struct file *create_file_for_fd( int fd, unsigned int access, unsigned int sharing,
unsigned int attrs )
{
struct file *file;
if ((file = alloc_object( &file_ops )))
if ((file = alloc_object( &file_ops, fd )))
{
file->name = NULL;
file->next = NULL;
file->fd = fd;
file->access = access;
file->flags = attrs;
file->sharing = sharing;
if ((file->select = add_select_user( fd, default_select_event, file )) == -1)
{
release_object( file );
file = NULL;
}
}
return file;
}
@ -171,7 +165,11 @@ static struct file *create_file( const char *nameptr, size_t len, unsigned int a
goto error;
}
if (!(file = create_file_for_fd( fd, access, sharing, attrs ))) goto error;
if (!(file = create_file_for_fd( fd, access, sharing, attrs )))
{
free( name );
return NULL;
}
file->name = name;
file->next = file_hash[hash];
file_hash[hash] = file;
@ -212,81 +210,41 @@ int create_anonymous_file(void)
/* Create a temp file for anonymous mappings */
struct file *create_temp_file( int access )
{
struct file *file;
int fd;
if ((fd = create_anonymous_file()) == -1) return NULL;
if (!(file = create_file_for_fd( fd, access, 0, 0 ))) close( fd );
return file;
return create_file_for_fd( fd, access, 0, 0 );
}
static void file_dump( struct object *obj, int verbose )
{
struct file *file = (struct file *)obj;
assert( obj->ops == &file_ops );
fprintf( stderr, "File fd=%d flags=%08x name='%s'\n", file->fd, file->flags, file->name );
fprintf( stderr, "File fd=%d flags=%08x name='%s'\n", file->obj.fd, file->flags, file->name );
}
static int file_add_queue( struct object *obj, struct wait_queue_entry *entry )
static int file_get_poll_events( struct object *obj )
{
struct file *file = (struct file *)obj;
assert( obj->ops == &file_ops );
if (!obj->head) /* first on the queue */
{
int events = 0;
if (file->access & GENERIC_READ) events |= POLLIN;
if (file->access & GENERIC_WRITE) events |= POLLOUT;
set_select_events( file->select, events );
}
add_queue( obj, entry );
return 1;
}
static void file_remove_queue( struct object *obj, struct wait_queue_entry *entry )
{
struct file *file = (struct file *)grab_object(obj);
assert( obj->ops == &file_ops );
remove_queue( obj, entry );
if (!obj->head) /* last on the queue is gone */
set_select_events( file->select, 0 );
release_object( obj );
}
static int file_signaled( struct object *obj, struct thread *thread )
{
int events = 0;
struct file *file = (struct file *)obj;
assert( obj->ops == &file_ops );
if (file->access & GENERIC_READ) events |= POLLIN;
if (file->access & GENERIC_WRITE) events |= POLLOUT;
if (check_select_events( file->fd, events ))
{
/* stop waiting on select() if we are signaled */
set_select_events( file->select, 0 );
return 1;
}
else
{
/* restart waiting on select() if we are no longer signaled */
if (obj->head) set_select_events( file->select, events );
return 0;
}
return events;
}
static int file_get_read_fd( struct object *obj )
{
struct file *file = (struct file *)obj;
assert( obj->ops == &file_ops );
return dup( file->fd );
return dup( file->obj.fd );
}
static int file_get_write_fd( struct object *obj )
{
struct file *file = (struct file *)obj;
assert( obj->ops == &file_ops );
return dup( file->fd );
return dup( file->obj.fd );
}
static int file_flush( struct object *obj )
@ -295,7 +253,7 @@ static int file_flush( struct object *obj )
struct file *file = (struct file *)grab_object(obj);
assert( obj->ops == &file_ops );
ret = (fsync( file->fd ) != -1);
ret = (fsync( file->obj.fd ) != -1);
if (!ret) file_set_error();
release_object( file );
return ret;
@ -307,13 +265,13 @@ static int file_get_info( struct object *obj, struct get_file_info_request *req
struct file *file = (struct file *)obj;
assert( obj->ops == &file_ops );
if (fstat( file->fd, &st ) == -1)
if (fstat( file->obj.fd, &st ) == -1)
{
file_set_error();
return 0;
}
if (S_ISCHR(st.st_mode) || S_ISFIFO(st.st_mode) ||
S_ISSOCK(st.st_mode) || isatty(file->fd)) req->type = FILE_TYPE_CHAR;
S_ISSOCK(st.st_mode) || isatty(file->obj.fd)) req->type = FILE_TYPE_CHAR;
else req->type = FILE_TYPE_DISK;
if (S_ISDIR(st.st_mode)) req->attr = FILE_ATTRIBUTE_DIRECTORY;
else req->attr = FILE_ATTRIBUTE_ARCHIVE;
@ -344,7 +302,6 @@ static void file_destroy( struct object *obj )
if (file->flags & FILE_FLAG_DELETE_ON_CLOSE) unlink( file->name );
free( file->name );
}
remove_select_user( file->select );
}
/* set the last error depending on errno */
@ -379,7 +336,7 @@ struct file *get_file_obj( struct process *process, int handle, unsigned int acc
int file_get_mmap_fd( struct file *file )
{
return dup( file->fd );
return dup( file->obj.fd );
}
static int set_file_pointer( int handle, int *low, int *high, int whence )
@ -396,7 +353,7 @@ static int set_file_pointer( int handle, int *low, int *high, int whence )
if (!(file = get_file_obj( current->process, handle, 0 )))
return 0;
if ((result = lseek( file->fd, *low, whence )) == -1)
if ((result = lseek( file->obj.fd, *low, whence )) == -1)
{
/* Check for seek before start of file */
if ((errno == EINVAL) && (whence != SEEK_SET) && (*low < 0))
@ -418,8 +375,8 @@ static int truncate_file( int handle )
if (!(file = get_file_obj( current->process, handle, GENERIC_WRITE )))
return 0;
if (((result = lseek( file->fd, 0, SEEK_CUR )) == -1) ||
(ftruncate( file->fd, result ) == -1))
if (((result = lseek( file->obj.fd, 0, SEEK_CUR )) == -1) ||
(ftruncate( file->obj.fd, result ) == -1))
{
file_set_error();
release_object( file );
@ -440,13 +397,13 @@ int grow_file( struct file *file, int size_high, int size_low )
set_error( ERROR_INVALID_PARAMETER );
return 0;
}
if (fstat( file->fd, &st ) == -1)
if (fstat( file->obj.fd, &st ) == -1)
{
file_set_error();
return 0;
}
if (st.st_size >= size_low) return 1; /* already large enough */
if (ftruncate( file->fd, size_low ) != -1) return 1;
if (ftruncate( file->obj.fd, size_low ) != -1) return 1;
file_set_error();
return 0;
}
@ -518,7 +475,6 @@ DECL_HANDLER(alloc_file_handle)
req->handle = alloc_handle( current->process, file, req->access, 0 );
release_object( file );
}
else close( fd );
}
else file_set_error();
}

26
server/handle.c
View File

@ -69,17 +69,19 @@ static void handle_table_destroy( struct object *obj );
static const struct object_ops handle_table_ops =
{
sizeof(struct handle_table),
handle_table_dump,
no_add_queue,
NULL, /* should never get called */
NULL, /* should never get called */
NULL, /* should never get called */
no_read_fd,
no_write_fd,
no_flush,
no_get_file_info,
handle_table_destroy
sizeof(struct handle_table), /* size */
handle_table_dump, /* dump */
no_add_queue, /* add_queue */
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satisfied */
NULL, /* get_poll_events */
NULL, /* poll_event */
no_read_fd, /* get_read_fd */
no_write_fd, /* get_write_fd */
no_flush, /* flush */
no_get_file_info, /* get_file_info */
handle_table_destroy /* destroy */
};
/* dump a handle table */
@ -127,7 +129,7 @@ struct object *alloc_handle_table( struct process *process, int count )
struct handle_table *table;
if (count < MIN_HANDLE_ENTRIES) count = MIN_HANDLE_ENTRIES;
if (!(table = alloc_object( &handle_table_ops )))
if (!(table = alloc_object( &handle_table_ops, -1 )))
return NULL;
table->process = process;
table->count = count;

24
server/mapping.c
View File

@ -32,17 +32,19 @@ static void mapping_destroy( struct object *obj );
static const struct object_ops mapping_ops =
{
sizeof(struct mapping),
mapping_dump,
no_add_queue,
NULL, /* should never get called */
NULL, /* should never get called */
NULL, /* should never get called */
no_read_fd,
no_write_fd,
no_flush,
no_get_file_info,
mapping_destroy
sizeof(struct mapping), /* size */
mapping_dump, /* dump */
no_add_queue, /* add_queue */
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satisfied */
NULL, /* get_poll_events */
NULL, /* poll_event */
no_read_fd, /* get_read_fd */
no_write_fd, /* get_write_fd */
no_flush, /* flush */
no_get_file_info, /* get_file_info */
mapping_destroy /* destroy */
};
#ifdef __i386__

24
server/mutex.c
View File

@ -32,17 +32,19 @@ static void mutex_destroy( struct object *obj );
static const struct object_ops mutex_ops =
{
sizeof(struct mutex),
mutex_dump,
add_queue,
remove_queue,
mutex_signaled,
mutex_satisfied,
no_read_fd,
no_write_fd,
no_flush,
no_get_file_info,
mutex_destroy
sizeof(struct mutex), /* size */
mutex_dump, /* dump */
add_queue, /* add_queue */
remove_queue, /* remove_queue */
mutex_signaled, /* signaled */
mutex_satisfied, /* satisfied */
NULL, /* get_poll_events */
NULL, /* poll_event */
no_read_fd, /* get_read_fd */
no_write_fd, /* get_write_fd */
no_flush, /* flush */
no_get_file_info, /* get_file_info */
mutex_destroy /* destroy */
};

70
server/object.c
View File

@ -10,6 +10,7 @@
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "winerror.h"
#include "thread.h"
@ -121,23 +122,34 @@ static void set_object_name( struct object *obj, struct object_name *ptr )
}
/* allocate and initialize an object */
void *alloc_object( const struct object_ops *ops )
/* if the function fails the fd is closed */
void *alloc_object( const struct object_ops *ops, int fd )
{
struct object *obj = mem_alloc( ops->size );
if (obj)
{
obj->refcount = 1;
obj->fd = fd;
obj->select = -1;
obj->ops = ops;
obj->head = NULL;
obj->tail = NULL;
obj->name = NULL;
if ((fd != -1) && (add_select_user( obj ) == -1))
{
close( fd );
free( obj );
return NULL;
}
#ifdef DEBUG_OBJECTS
obj->prev = NULL;
if ((obj->next = first) != NULL) obj->next->prev = obj;
first = obj;
#endif
return obj;
}
return obj;
if (fd != -1) close( fd );
return NULL;
}
void *create_named_object( const struct object_ops *ops, const WCHAR *name, size_t len )
@ -145,7 +157,7 @@ void *create_named_object( const struct object_ops *ops, const WCHAR *name, size
struct object *obj;
struct object_name *name_ptr;
if (!name || !len) return alloc_object( ops );
if (!name || !len) return alloc_object( ops, -1 );
if (!(name_ptr = alloc_name( name, len ))) return NULL;
if ((obj = find_object( name_ptr->name, name_ptr->len )))
@ -159,7 +171,7 @@ void *create_named_object( const struct object_ops *ops, const WCHAR *name, size
set_error( ERROR_INVALID_HANDLE );
return NULL;
}
if ((obj = alloc_object( ops )))
if ((obj = alloc_object( ops, -1 )))
{
set_object_name( obj, name_ptr );
clear_error();
@ -199,14 +211,16 @@ void release_object( void *ptr )
/* if the refcount is 0, nobody can be in the wait queue */
assert( !obj->head );
assert( !obj->tail );
obj->ops->destroy( obj );
if (obj->name) free_name( obj );
if (obj->select != -1) remove_select_user( obj );
if (obj->fd != -1) close( obj->fd );
#ifdef DEBUG_OBJECTS
if (obj->next) obj->next->prev = obj->prev;
if (obj->prev) obj->prev->next = obj->next;
else first = obj->next;
#endif
obj->ops->destroy( obj );
memset( obj, 0xaa, obj->ops->size );
#endif
free( obj );
}
}
@ -224,7 +238,7 @@ struct object *find_object( const WCHAR *name, size_t len )
return NULL;
}
/* functions for unimplemented object operations */
/* functions for unimplemented/default object operations */
int no_add_queue( struct object *obj, struct wait_queue_entry *entry )
{
@ -265,9 +279,45 @@ void no_destroy( struct object *obj )
{
}
void default_select_event( int event, void *private )
/* default add_queue() routine for objects that poll() on an fd */
int default_poll_add_queue( struct object *obj, struct wait_queue_entry *entry )
{
struct object *obj = (struct object *)private;
assert( obj );
if (!obj->head) /* first on the queue */
set_select_events( obj, obj->ops->get_poll_events( obj ) );
add_queue( obj, entry );
return 1;
}
/* default remove_queue() routine for objects that poll() on an fd */
void default_poll_remove_queue( struct object *obj, struct wait_queue_entry *entry )
{
grab_object(obj);
remove_queue( obj, entry );
if (!obj->head) /* last on the queue is gone */
set_select_events( obj, 0 );
release_object( obj );
}
/* default signaled() routine for objects that poll() on an fd */
int default_poll_signaled( struct object *obj, struct thread *thread )
{
int events = obj->ops->get_poll_events( obj );
if (check_select_events( obj->fd, events ))
{
/* stop waiting on select() if we are signaled */
set_select_events( obj, 0 );
return 1;
}
/* restart waiting on select() if we are no longer signaled */
if (obj->head) set_select_events( obj, events );
return 0;
}
/* default handler for poll() events */
void default_poll_event( struct object *obj, int event )
{
/* an error occurred, stop polling this fd to avoid busy-looping */
if (event & (POLLERR | POLLHUP)) set_select_events( obj, -1 );
wake_up( obj, 0 );
}

32
server/object.h
View File

@ -41,6 +41,10 @@ struct object_ops
int (*signaled)(struct object *,struct thread *);
/* wait satisfied; return 1 if abandoned */
int (*satisfied)(struct object *,struct thread *);
/* get the events we want to poll() for on this object */
int (*get_poll_events)(struct object *);
/* a poll() event occured */
void (*poll_event)(struct object *,int event);
/* return a Unix fd that can be used to read from the object */
int (*get_read_fd)(struct object *);
/* return a Unix fd that can be used to write to the object */
@ -55,7 +59,9 @@ struct object_ops
struct object
{
unsigned int refcount;
unsigned int refcount; /* reference count */
int fd; /* file descriptor */
int select; /* select() user id */
const struct object_ops *ops;
struct wait_queue_entry *head;
struct wait_queue_entry *tail;
@ -68,7 +74,7 @@ struct object
extern void *mem_alloc( size_t size ); /* malloc wrapper */
extern void *memdup( const void *data, size_t len );
extern void *alloc_object( const struct object_ops *ops );
extern void *alloc_object( const struct object_ops *ops, int fd );
extern void dump_object_name( struct object *obj );
extern void *create_named_object( const struct object_ops *ops, const WCHAR *name, size_t len );
/* grab/release_object can take any pointer, but you better make sure */
@ -83,17 +89,20 @@ extern int no_write_fd( struct object *obj );
extern int no_flush( struct object *obj );
extern int no_get_file_info( struct object *obj, struct get_file_info_request *info );
extern void no_destroy( struct object *obj );
extern void default_select_event( int event, void *private );
extern int default_poll_add_queue( struct object *obj, struct wait_queue_entry *entry );
extern void default_poll_remove_queue( struct object *obj, struct wait_queue_entry *entry );
extern int default_poll_signaled( struct object *obj, struct thread *thread );
extern void default_poll_event( struct object *obj, int event );
#ifdef DEBUG_OBJECTS
extern void dump_objects(void);
#endif
/* select functions */
extern int add_select_user( int fd, void (*func)(int, void *), void *private );
extern void remove_select_user( int user );
extern void change_select_fd( int user, int fd );
extern void set_select_events( int user, int events );
extern int add_select_user( struct object *obj );
extern void remove_select_user( struct object *obj );
extern void change_select_fd( struct object *obj, int fd );
extern void set_select_events( struct object *obj, int events );
extern int check_select_events( int fd, int events );
extern void select_loop(void);
@ -114,15 +123,6 @@ static inline int time_before( struct timeval *t1, struct timeval *t2 )
((t1->tv_sec == t2->tv_sec) && (t1->tv_usec < t2->tv_usec)));
}
/* socket functions */
struct client;
extern struct client *add_client( int client_fd, struct thread *self );
extern void remove_client( struct client *client, int exit_code );
extern void client_pass_fd( struct client *client, int pass_fd );
extern void client_reply( struct client *client, unsigned int res );
/* event functions */
struct event;

87
server/pipe.c
View File

@ -33,15 +33,11 @@ struct pipe
{
struct object obj; /* object header */
struct pipe *other; /* the pipe other end */
int fd; /* file descriptor */
int select; /* select user id */
enum side side; /* which side of the pipe is this */
};
static void pipe_dump( struct object *obj, int verbose );
static int pipe_add_queue( struct object *obj, struct wait_queue_entry *entry );
static void pipe_remove_queue( struct object *obj, struct wait_queue_entry *entry );
static int pipe_signaled( struct object *obj, struct thread *thread );
static int pipe_get_poll_events( struct object *obj );
static int pipe_get_read_fd( struct object *obj );
static int pipe_get_write_fd( struct object *obj );
static int pipe_get_info( struct object *obj, struct get_file_info_request *req );
@ -49,17 +45,19 @@ static void pipe_destroy( struct object *obj );
static const struct object_ops pipe_ops =
{
sizeof(struct pipe),
pipe_dump,
pipe_add_queue,
pipe_remove_queue,
pipe_signaled,
no_satisfied,
pipe_get_read_fd,
pipe_get_write_fd,
no_flush,
pipe_get_info,
pipe_destroy
sizeof(struct pipe), /* size */
pipe_dump, /* dump */
default_poll_add_queue, /* add_queue */
default_poll_remove_queue, /* remove_queue */
default_poll_signaled, /* signaled */
no_satisfied, /* satisfied */
pipe_get_poll_events, /* get_poll_events */
default_poll_event, /* poll_event */
pipe_get_read_fd, /* get_read_fd */
pipe_get_write_fd, /* get_write_fd */
no_flush, /* flush */
pipe_get_info, /* get_file_info */
pipe_destroy /* destroy */
};
@ -67,16 +65,10 @@ static struct pipe *create_pipe_side( int fd, int side )
{
struct pipe *pipe;
if ((pipe = alloc_object( &pipe_ops )))
if ((pipe = alloc_object( &pipe_ops, fd )))
{
pipe->fd = fd;
pipe->other = NULL;
pipe->side = side;
if ((pipe->select = add_select_user( fd, default_select_event, pipe )) == -1)
{
release_object( pipe );
pipe = NULL;
}
}
return pipe;
}
@ -104,8 +96,7 @@ static int create_pipe( struct object *obj[2] )
}
release_object( read_pipe );
}
close( fd[0] );
close( fd[1] );
else close( fd[1] );
return 0;
}
@ -114,49 +105,14 @@ static void pipe_dump( struct object *obj, int verbose )
struct pipe *pipe = (struct pipe *)obj;
assert( obj->ops == &pipe_ops );
fprintf( stderr, "Pipe %s-side fd=%d\n",
(pipe->side == READ_SIDE) ? "read" : "write", pipe->fd );
(pipe->side == READ_SIDE) ? "read" : "write", pipe->obj.fd );
}
static int pipe_add_queue( struct object *obj, struct wait_queue_entry *entry )
static int pipe_get_poll_events( struct object *obj )
{
struct pipe *pipe = (struct pipe *)obj;
assert( obj->ops == &pipe_ops );
if (!obj->head) /* first on the queue */
set_select_events( pipe->select, (pipe->side == READ_SIDE) ? POLLIN : POLLOUT );
add_queue( obj, entry );
return 1;
}
static void pipe_remove_queue( struct object *obj, struct wait_queue_entry *entry )
{
struct pipe *pipe = (struct pipe *)grab_object(obj);
assert( obj->ops == &pipe_ops );
remove_queue( obj, entry );
if (!obj->head) /* last on the queue is gone */
set_select_events( pipe->select, 0 );
release_object( obj );
}
static int pipe_signaled( struct object *obj, struct thread *thread )
{
int event;
struct pipe *pipe = (struct pipe *)obj;
assert( obj->ops == &pipe_ops );
event = (pipe->side == READ_SIDE) ? POLLIN : POLLOUT;
if (check_select_events( pipe->fd, event ))
{
/* stop waiting on select() if we are signaled */
set_select_events( pipe->select, 0 );
return 1;
}
else
{
/* restart waiting on select() if we are no longer signaled */
if (obj->head) set_select_events( pipe->select, event );
return 0;
}
return (pipe->side == READ_SIDE) ? POLLIN : POLLOUT;
}
static int pipe_get_read_fd( struct object *obj )
@ -174,7 +130,7 @@ static int pipe_get_read_fd( struct object *obj )
set_error( ERROR_ACCESS_DENIED );
return -1;
}
return dup( pipe->fd );
return dup( pipe->obj.fd );
}
static int pipe_get_write_fd( struct object *obj )
@ -192,7 +148,7 @@ static int pipe_get_write_fd( struct object *obj )
set_error( ERROR_ACCESS_DENIED );
return -1;
}
return dup( pipe->fd );
return dup( pipe->obj.fd );
}
static int pipe_get_info( struct object *obj, struct get_file_info_request *req )
@ -216,7 +172,6 @@ static void pipe_destroy( struct object *obj )
assert( obj->ops == &pipe_ops );
if (pipe->other) pipe->other->other = NULL;
remove_select_user( pipe->select );
}
/* create an anonymous pipe */

26
server/process.c
View File

@ -36,17 +36,19 @@ static void process_destroy( struct object *obj );
static const struct object_ops process_ops =
{
sizeof(struct process),
process_dump,
add_queue,
remove_queue,
process_signaled,
no_satisfied,
no_read_fd,
no_write_fd,
no_flush,
no_get_file_info,
process_destroy
sizeof(struct process), /* size */
process_dump, /* dump */
add_queue, /* add_queue */
remove_queue, /* remove_queue */
process_signaled, /* signaled */
no_satisfied, /* satisfied */
NULL, /* get_poll_events */
NULL, /* poll_event */
no_read_fd, /* get_read_fd */
no_write_fd, /* get_write_fd */
no_flush, /* flush */
no_get_file_info, /* get_file_info */
process_destroy /* destroy */
};
@ -56,7 +58,7 @@ static struct process *create_process( struct process *parent, struct new_proces
{
struct process *process;
if (!(process = alloc_object( &process_ops ))) return NULL;
if (!(process = alloc_object( &process_ops, -1 ))) return NULL;
process->next = NULL;
process->prev = NULL;
process->thread_list = NULL;

26
server/registry.c
View File

@ -106,17 +106,19 @@ static void key_destroy( struct object *obj );
static const struct object_ops key_ops =
{
sizeof(struct key),
key_dump,
no_add_queue,
NULL, /* should never get called */
NULL, /* should never get called */
NULL, /* should never get called */
no_read_fd,
no_write_fd,
no_flush,
no_get_file_info,
key_destroy
sizeof(struct key), /* size */
key_dump, /* dump */
no_add_queue, /* add_queue */
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satisfied */
NULL, /* get_poll_events */
NULL, /* poll_event */
no_read_fd, /* get_read_fd */
no_write_fd, /* get_write_fd */
no_flush, /* flush */
no_get_file_info, /* get_file_info */
key_destroy /* destroy */
};
@ -322,7 +324,7 @@ static WCHAR *req_strdupW( const WCHAR *str )
static struct key *alloc_key( const WCHAR *name, time_t modif )
{
struct key *key;
if ((key = (struct key *)alloc_object( &key_ops )))
if ((key = (struct key *)alloc_object( &key_ops, -1 )))
{
key->name = NULL;
key->class = NULL;

148
server/request.c
View File

@ -4,13 +4,20 @@
* Copyright (C) 1998 Alexandre Julliard
*/
#include "config.h"
#include <assert.h>
#include <stdarg.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <signal.h>
#include <stdarg.h>
#include <string.h>
#include <sys/time.h>
#include <sys/types.h>
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
#include <sys/uio.h>
#include <unistd.h>
@ -22,9 +29,30 @@
#include "server.h"
#define WANT_REQUEST_HANDLERS
#include "request.h"
/* Some versions of glibc don't define this */
#ifndef SCM_RIGHTS
#define SCM_RIGHTS 1
#endif
struct thread *current = NULL; /* thread handling the current request */
/* socket communication static structures */
static struct iovec myiovec;
static struct msghdr msghdr = { NULL, 0, &myiovec, 1, };
#ifndef HAVE_MSGHDR_ACCRIGHTS
struct cmsg_fd
{
int len; /* sizeof structure */
int level; /* SOL_SOCKET */
int type; /* SCM_RIGHTS */
int fd; /* fd to pass */
};
static struct cmsg_fd cmsg = { sizeof(cmsg), SOL_SOCKET, SCM_RIGHTS, -1 };
#endif /* HAVE_MSGHDR_ACCRIGHTS */
/* complain about a protocol error and terminate the client connection */
void fatal_protocol_error( struct thread *thread, const char *err, ... )
{
@ -34,11 +62,11 @@ void fatal_protocol_error( struct thread *thread, const char *err, ... )
fprintf( stderr, "Protocol error:%p: ", thread );
vfprintf( stderr, err, args );
va_end( args );
remove_client( thread->client, PROTOCOL_ERROR );
kill_thread( thread, PROTOCOL_ERROR );
}
/* call a request handler */
void call_req_handler( struct thread *thread, enum request req, int fd )
static void call_req_handler( struct thread *thread, enum request req, int fd )
{
current = thread;
clear_error();
@ -65,31 +93,109 @@ void call_timeout_handler( void *thread )
current = NULL;
}
/* a thread has been killed */
void call_kill_handler( struct thread *thread, int exit_code )
{
/* must be reentrant WRT call_req_handler */
struct thread *old_current = current;
current = thread;
if (current)
{
if (debug_level) trace_kill( exit_code );
thread_killed( current, exit_code );
}
current = (old_current != thread) ? old_current : NULL;
}
/* set the fd to pass to the thread */
void set_reply_fd( struct thread *thread, int pass_fd )
{
client_pass_fd( thread->client, pass_fd );
assert( thread->pass_fd == -1 );
thread->pass_fd = pass_fd;
}
/* send a reply to a thread */
void send_reply( struct thread *thread )
{
if (thread->state == SLEEPING) thread->state = RUNNING;
client_reply( thread->client, thread->error );
if (debug_level) trace_reply( thread );
if (!write_request( thread )) set_select_events( &thread->obj, POLLOUT );
}
/* read a message from a client that has something to say */
void read_request( struct thread *thread )
{
int ret;
enum request req;
#ifdef HAVE_MSGHDR_ACCRIGHTS
msghdr.msg_accrightslen = sizeof(int);
msghdr.msg_accrights = (void *)&thread->pass_fd;
#else /* HAVE_MSGHDR_ACCRIGHTS */
msghdr.msg_control = &cmsg;
msghdr.msg_controllen = sizeof(cmsg);
cmsg.fd = -1;
#endif /* HAVE_MSGHDR_ACCRIGHTS */
assert( thread->pass_fd == -1 );
myiovec.iov_base = (void *)&req;
myiovec.iov_len = sizeof(req);
ret = recvmsg( thread->obj.fd, &msghdr, 0 );
#ifndef HAVE_MSGHDR_ACCRIGHTS
thread->pass_fd = cmsg.fd;
#endif
if (ret == sizeof(req))
{
int pass_fd = thread->pass_fd;
thread->pass_fd = -1;
call_req_handler( thread, req, pass_fd );
if (pass_fd != -1) close( pass_fd );
return;
}
if (ret == -1)
{
perror("recvmsg");
kill_thread( thread, BROKEN_PIPE );
return;
}
if (!ret) /* closed pipe */
{
kill_thread( thread, BROKEN_PIPE );
return;
}
fatal_protocol_error( thread, "partial message received %d/%d\n", ret, sizeof(req) );
}
/* send a message to a client that is ready to receive something */
int write_request( struct thread *thread )
{
int ret;
if (thread->pass_fd == -1)
{
ret = write( thread->obj.fd, &thread->error, sizeof(thread->error) );
if (ret == sizeof(thread->error)) goto ok;
}
else /* we have an fd to send */
{
#ifdef HAVE_MSGHDR_ACCRIGHTS
msghdr.msg_accrightslen = sizeof(int);
msghdr.msg_accrights = (void *)&thread->pass_fd;
#else /* HAVE_MSGHDR_ACCRIGHTS */
msghdr.msg_control = &cmsg;
msghdr.msg_controllen = sizeof(cmsg);
cmsg.fd = thread->pass_fd;
#endif /* HAVE_MSGHDR_ACCRIGHTS */
myiovec.iov_base = (void *)&thread->error;
myiovec.iov_len = sizeof(thread->error);
ret = sendmsg( thread->obj.fd, &msghdr, 0 );
close( thread->pass_fd );
thread->pass_fd = -1;
if (ret == sizeof(thread->error)) goto ok;
}
if (ret == -1)
{
if (errno == EWOULDBLOCK) return 0; /* not a fatal error */
if (errno != EPIPE) perror("sendmsg");
}
else fprintf( stderr, "Partial message sent %d/%d\n", ret, sizeof(thread->error) );
kill_thread( thread, BROKEN_PIPE );
return -1;
ok:
set_select_events( &thread->obj, POLLIN );
return 1;
}
/* set the debug level */

8
server/request.h
View File

@ -26,17 +26,17 @@
/* request functions */
extern void read_request( struct thread *thread );
extern int write_request( struct thread *thread );
extern void fatal_protocol_error( struct thread *thread, const char *err, ... );
extern void call_req_handler( struct thread *thread, enum request req, int fd );
extern void call_timeout_handler( void *thread );
extern void call_kill_handler( struct thread *thread, int exit_code );
extern void set_reply_fd( struct thread *thread, int pass_fd );
extern void send_reply( struct thread *thread );
extern void trace_request( enum request req, int fd );
extern void trace_timeout(void);
extern void trace_kill( int exit_code );
extern void trace_reply( struct thread *thread, unsigned int res, int pass_fd );
extern void trace_kill( struct thread *thread );
extern void trace_reply( struct thread *thread );
/* get the request buffer */
static inline void *get_req_ptr( struct thread *thread )

63
server/select.c
View File

@ -19,12 +19,6 @@
#include "thread.h"
struct poll_user
{
void (*func)(int event, void *private); /* callback function */
void *private; /* callback private data */
};
struct timeout_user
{
struct timeout_user *next; /* next in sorted timeout list */
@ -34,32 +28,31 @@ struct timeout_user
void *private; /* callback private data */
};
static struct poll_user *poll_users; /* users array */
static struct object **poll_users; /* users array */
static struct pollfd *pollfd; /* poll fd array */
static int nb_users; /* count of array entries actually in use */
static int active_users; /* current number of active users */
static int allocated_users; /* count of allocated entries in the array */
static struct poll_user *freelist; /* list of free entries in the array */
static struct object **freelist; /* list of free entries in the array */
static struct timeout_user *timeout_head; /* sorted timeouts list head */
static struct timeout_user *timeout_tail; /* sorted timeouts list tail */
/* add a user and return an opaque handle to it, or -1 on failure */
int add_select_user( int fd, void (*func)(int, void *), void *private )
int add_select_user( struct object *obj )
{
int ret;
if (freelist)
{
ret = freelist - poll_users;
freelist = poll_users[ret].private;
assert( !poll_users[ret].func );
freelist = (struct object **)poll_users[ret];
}
else
{
if (nb_users == allocated_users)
{
struct poll_user *newusers;
struct object **newusers;
struct pollfd *newpoll;
int new_count = allocated_users ? (allocated_users + allocated_users / 2) : 16;
if (!(newusers = realloc( poll_users, new_count * sizeof(*poll_users) ))) return -1;
@ -74,43 +67,53 @@ int add_select_user( int fd, void (*func)(int, void *), void *private )
}
ret = nb_users++;
}
pollfd[ret].fd = fd;
pollfd[ret].fd = obj->fd;
pollfd[ret].events = 0;
pollfd[ret].revents = 0;
poll_users[ret].func = func;
poll_users[ret].private = private;
poll_users[ret] = obj;
obj->select = ret;
active_users++;
return ret;
}
/* remove a user and close its fd */
void remove_select_user( int user )
/* remove an object from the select list and close its fd */
void remove_select_user( struct object *obj )
{
if (user == -1) return; /* avoids checking in all callers */
assert( poll_users[user].func );
close( pollfd[user].fd );
int user = obj->select;
assert( poll_users[user] == obj );
pollfd[user].fd = -1;
pollfd[user].events = 0;
pollfd[user].revents = 0;
poll_users[user].func = NULL;
poll_users[user].private = freelist;
poll_users[user] = (struct object *)freelist;
freelist = &poll_users[user];
close( obj->fd );
obj->fd = -1;
obj->select = -1;
active_users--;
}
/* change the fd of a select user (the old fd is closed) */
void change_select_fd( int user, int fd )
/* change the fd of an object (the old fd is closed) */
void change_select_fd( struct object *obj, int fd )
{
assert( poll_users[user].func );
close( pollfd[user].fd );
int user = obj->select;
assert( poll_users[user] == obj );
pollfd[user].fd = fd;
close( obj->fd );
obj->fd = fd;
}
/* set the events that select waits for on this fd */
void set_select_events( int user, int events )
void set_select_events( struct object *obj, int events )
{
assert( poll_users[user].func );
pollfd[user].events = events;
int user = obj->select;
assert( poll_users[user] == obj );
if (events == -1) /* stop waiting on this fd completely */
{
pollfd[user].fd = -1;
pollfd[user].events = 0;
pollfd[user].revents = 0;
}
else if (pollfd[user].fd != -1) pollfd[user].events = events;
}
/* check if events are pending */
@ -259,7 +262,7 @@ void select_loop(void)
{
if (pollfd[i].revents)
{
poll_users[i].func( pollfd[i].revents, poll_users[i].private );
poll_users[i]->ops->poll_event( poll_users[i], pollfd[i].revents );
if (!--ret) break;
}
}

24
server/semaphore.c
View File

@ -28,17 +28,19 @@ static int semaphore_satisfied( struct object *obj, struct thread *thread );
static const struct object_ops semaphore_ops =
{
sizeof(struct semaphore),
semaphore_dump,
add_queue,
remove_queue,
semaphore_signaled,
semaphore_satisfied,
no_read_fd,
no_write_fd,
no_flush,
no_get_file_info,
no_destroy
sizeof(struct semaphore), /* size */
semaphore_dump, /* dump */
add_queue, /* add_queue */
remove_queue, /* remove_queue */
semaphore_signaled, /* signaled */
semaphore_satisfied, /* satisfied */
NULL, /* get_poll_events */
NULL, /* poll_event */
no_read_fd, /* get_read_fd */
no_write_fd, /* get_write_fd */
no_flush, /* flush */
no_get_file_info, /* get_file_info */
no_destroy /* destroy */
};

26
server/snapshot.c
View File

@ -33,17 +33,19 @@ static void snapshot_destroy( struct object *obj );
static const struct object_ops snapshot_ops =
{
sizeof(struct snapshot),
snapshot_dump,
no_add_queue,
NULL, /* should never get called */
NULL, /* should never get called */
NULL, /* should never get called */
no_read_fd,
no_write_fd,
no_flush,
no_get_file_info,
snapshot_destroy
sizeof(struct snapshot), /* size */
snapshot_dump, /* dump */
no_add_queue, /* add_queue */
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satisfied */
NULL, /* get_poll_events */
NULL, /* poll_event */
no_read_fd, /* get_read_fd */
no_write_fd, /* get_write_fd */
no_flush, /* flush */
no_get_file_info, /* get_file_info */
snapshot_destroy /* destroy */
};
@ -52,7 +54,7 @@ static struct snapshot *create_snapshot( int flags )
{
struct snapshot *snapshot;
if ((snapshot = alloc_object( &snapshot_ops )))
if ((snapshot = alloc_object( &snapshot_ops, -1 )))
{
if (flags & TH32CS_SNAPPROCESS)
snapshot->process = process_snap( &snapshot->process_count );

198
server/sock.c
View File

@ -42,8 +42,6 @@
struct sock
{
struct object obj; /* object header */
int fd; /* file descriptor */
int select; /* select user */
unsigned int state; /* status bits */
unsigned int mask; /* event mask */
unsigned int hmask; /* held (blocked) events */
@ -53,51 +51,36 @@ struct sock
};
static void sock_dump( struct object *obj, int verbose );
static int sock_add_queue( struct object *obj, struct wait_queue_entry *entry );
static void sock_remove_queue( struct object *obj, struct wait_queue_entry *entry );
static int sock_signaled( struct object *obj, struct thread *thread );
static int sock_get_poll_events( struct object *obj );
static void sock_poll_event( struct object *obj, int event );
static int sock_get_fd( struct object *obj );
static void sock_destroy( struct object *obj );
static void sock_set_error(void);
static const struct object_ops sock_ops =
{
sizeof(struct sock),
sock_dump,
sock_add_queue,
sock_remove_queue,
sock_signaled,
no_satisfied,
sock_get_fd,
sock_get_fd,
no_flush,
no_get_file_info,
sock_destroy
sizeof(struct sock), /* size */
sock_dump, /* dump */
add_queue, /* add_queue */
remove_queue, /* remove_queue */
sock_signaled, /* signaled */
no_satisfied, /* satisfied */
sock_get_poll_events, /* get_poll_events */
sock_poll_event, /* poll_event */
sock_get_fd, /* get_read_fd */
sock_get_fd, /* get_write_fd */
no_flush, /* flush */
no_get_file_info, /* get_file_info */
sock_destroy /* destroy */
};
static int sock_event( struct sock *sock )
{
unsigned int mask = sock->mask & sock->state & ~sock->hmask;
int ev = 0;
if (sock->state & WS_FD_CONNECT)
/* connecting, wait for writable */
return POLLOUT;
if (sock->state & WS_FD_LISTENING)
/* listening, wait for readable */
return (sock->hmask & FD_ACCEPT) ? 0 : POLLIN;
if (mask & FD_READ) ev |= POLLIN;
if (mask & FD_WRITE) ev |= POLLOUT;
return ev;
}
static void sock_reselect( struct sock *sock )
{
int ev = sock_event( sock );
int ev = sock_get_poll_events( &sock->obj );
if (debug_level)
fprintf(stderr,"sock_reselect(%d): new mask %x\n", sock->fd, ev);
set_select_events( sock->select, ev );
fprintf(stderr,"sock_reselect(%d): new mask %x\n", sock->obj.fd, ev);
set_select_events( &sock->obj, ev );
}
inline static int sock_error(int s)
@ -109,13 +92,13 @@ inline static int sock_error(int s)
return optval;
}
static void sock_select_event( int event, void *private )
static void sock_poll_event( struct object *obj, int event )
{
struct sock *sock = (struct sock *)private;
struct sock *sock = (struct sock *)obj;
unsigned int emask;
assert( sock->obj.ops == &sock_ops );
if (debug_level)
fprintf(stderr, "socket %d select event: %x\n", sock->fd, event);
fprintf(stderr, "socket %d select event: %x\n", sock->obj.fd, event);
if (sock->state & WS_FD_CONNECT)
{
/* connecting */
@ -127,16 +110,16 @@ static void sock_select_event( int event, void *private )
sock->pmask |= FD_CONNECT;
sock->errors[FD_CONNECT_BIT] = 0;
if (debug_level)
fprintf(stderr, "socket %d connection success\n", sock->fd);
fprintf(stderr, "socket %d connection success\n", sock->obj.fd);
}
else if (event & (POLLERR|POLLHUP))
{
/* we didn't get connected? */
sock->state &= ~WS_FD_CONNECT;
sock->pmask |= FD_CONNECT;
sock->errors[FD_CONNECT_BIT] = sock_error( sock->fd );
sock->errors[FD_CONNECT_BIT] = sock_error( sock->obj.fd );
if (debug_level)
fprintf(stderr, "socket %d connection failure\n", sock->fd);
fprintf(stderr, "socket %d connection failure\n", sock->obj.fd);
}
} else
if (sock->state & WS_FD_LISTENING)
@ -153,7 +136,7 @@ static void sock_select_event( int event, void *private )
{
/* failed incoming connection? */
sock->pmask |= FD_ACCEPT;
sock->errors[FD_ACCEPT_BIT] = sock_error( sock->fd );
sock->errors[FD_ACCEPT_BIT] = sock_error( sock->obj.fd );
sock->hmask |= FD_ACCEPT;
}
} else
@ -161,27 +144,12 @@ static void sock_select_event( int event, void *private )
/* normal data flow */
if (event & POLLIN)
{
/* make sure there's data here */
int bytes = 0;
ioctl(sock->fd, FIONREAD, (char*)&bytes);
if (bytes)
{
/* incoming data */
sock->pmask |= FD_READ;
sock->hmask |= FD_READ;
sock->errors[FD_READ_BIT] = 0;
if (debug_level)
fprintf(stderr, "socket %d has %d bytes\n", sock->fd, bytes);
}
else
{
/* 0 bytes readable == socket closed cleanly */
sock->state &= ~(WS_FD_CONNECTED|WS_FD_READ|WS_FD_WRITE);
sock->pmask |= FD_CLOSE;
sock->errors[FD_CLOSE_BIT] = 0;
if (debug_level)
fprintf(stderr, "socket %d is closing\n", sock->fd);
}
/* incoming data */
sock->pmask |= FD_READ;
sock->hmask |= FD_READ;
sock->errors[FD_READ_BIT] = 0;
if (debug_level)
fprintf(stderr, "socket %d is readable\n", sock->obj.fd );
}
if (event & POLLOUT)
{
@ -189,27 +157,24 @@ static void sock_select_event( int event, void *private )
sock->hmask |= FD_WRITE;
sock->errors[FD_WRITE_BIT] = 0;
if (debug_level)
fprintf(stderr, "socket %d is writable\n", sock->fd);
fprintf(stderr, "socket %d is writable\n", sock->obj.fd);
}
if (event & POLLPRI)
{
sock->pmask |= FD_OOB;
sock->hmask |= FD_OOB;
if (debug_level)
fprintf(stderr, "socket %d got OOB data\n", sock->obj.fd);
}
if (event & (POLLERR|POLLHUP))
{
sock->errors[FD_CLOSE_BIT] = sock_error( sock->fd );
if (sock->errors[FD_CLOSE_BIT])
{
/* we got an error, socket closing? */
sock->state &= ~(WS_FD_CONNECTED|WS_FD_READ|WS_FD_WRITE);
sock->pmask |= FD_CLOSE;
if (debug_level)
fprintf(stderr, "socket %d aborted by error %d\n", sock->fd, sock->errors[FD_CLOSE_BIT]);
}
else
{
/* no error, OOB data? */
sock->pmask |= FD_OOB;
sock->hmask |= FD_OOB;
if (debug_level)
fprintf(stderr, "socket %d got OOB data\n", sock->fd);
}
sock->errors[FD_CLOSE_BIT] = sock_error( sock->obj.fd );
/* we got an error, socket closing? */
sock->state &= ~(WS_FD_CONNECTED|WS_FD_READ|WS_FD_WRITE);
sock->pmask |= FD_CLOSE;
if (debug_level)
fprintf(stderr, "socket %d aborted by error %d\n",
sock->obj.fd, sock->errors[FD_CLOSE_BIT]);
}
}
@ -217,7 +182,7 @@ static void sock_select_event( int event, void *private )
/* wake up anyone waiting for whatever just happened */
emask = sock->pmask & sock->mask;
if (debug_level && emask)
fprintf(stderr, "socket %d pending events: %x\n", sock->fd, emask);
fprintf(stderr, "socket %d pending events: %x\n", sock->obj.fd, emask);
if (emask && sock->event) {
if (debug_level) fprintf(stderr, "signalling event ptr %p\n", sock->event);
set_event(sock->event);
@ -233,34 +198,36 @@ static void sock_dump( struct object *obj, int verbose )
struct sock *sock = (struct sock *)obj;
assert( obj->ops == &sock_ops );
printf( "Socket fd=%d, state=%x, mask=%x, pending=%x, held=%x\n",
sock->fd, sock->state,
sock->obj.fd, sock->state,
sock->mask, sock->pmask, sock->hmask );
}
static int sock_add_queue( struct object *obj, struct wait_queue_entry *entry )
{
/* struct sock *sock = (struct sock *)obj; */
assert( obj->ops == &sock_ops );
add_queue( obj, entry );
return 1;
}
static void sock_remove_queue( struct object *obj, struct wait_queue_entry *entry )
{
/* struct sock *sock = (struct sock *)grab_object(obj); */
assert( obj->ops == &sock_ops );
remove_queue( obj, entry );
/* release_object( obj ); */
}
static int sock_signaled( struct object *obj, struct thread *thread )
{
struct sock *sock = (struct sock *)obj;
assert( obj->ops == &sock_ops );
return check_select_events( sock->fd, sock_event( sock ) );
return check_select_events( sock->obj.fd, sock_get_poll_events( &sock->obj ) );
}
static int sock_get_poll_events( struct object *obj )
{
struct sock *sock = (struct sock *)obj;
unsigned int mask = sock->mask & sock->state & ~sock->hmask;
int ev = 0;
assert( obj->ops == &sock_ops );
if (sock->state & WS_FD_CONNECT)
/* connecting, wait for writable */
return POLLOUT;
if (sock->state & WS_FD_LISTENING)
/* listening, wait for readable */
return (sock->hmask & FD_ACCEPT) ? 0 : POLLIN;
if (mask & FD_READ) ev |= POLLIN | POLLPRI;
if (mask & FD_WRITE) ev |= POLLOUT;
return ev;
}
static int sock_get_fd( struct object *obj )
@ -268,7 +235,7 @@ static int sock_get_fd( struct object *obj )
struct sock *sock = (struct sock *)obj;
int fd;
assert( obj->ops == &sock_ops );
fd = dup( sock->fd );
fd = dup( sock->obj.fd );
if (fd==-1)
sock_set_error();
return fd;
@ -280,7 +247,6 @@ static void sock_destroy( struct object *obj )
assert( obj->ops == &sock_ops );
/* FIXME: special socket shutdown stuff? */
remove_select_user( sock->select );
if (sock->event)
{
/* if the service thread was waiting for the event object,
@ -307,21 +273,12 @@ static struct object *create_socket( int family, int type, int protocol )
return NULL;
}
fcntl(sockfd, F_SETFL, O_NONBLOCK); /* make socket nonblocking */
if (!(sock = alloc_object( &sock_ops ))) {
close( sockfd );
return NULL;
}
sock->fd = sockfd;
if (!(sock = alloc_object( &sock_ops, sockfd ))) return NULL;
sock->state = (type!=SOCK_STREAM) ? WS_FD_READ|WS_FD_WRITE : 0;
sock->mask = 0;
sock->hmask = 0;
sock->pmask = 0;
sock->event = NULL;
if ((sock->select = add_select_user( sockfd, sock_select_event, sock )) == -1)
{
release_object( sock );
return NULL;
}
sock_reselect( sock );
clear_error();
return &sock->obj;
@ -345,32 +302,23 @@ static struct object *accept_socket( int handle )
* return.
*/
slen = sizeof(saddr);
acceptfd = accept(sock->fd,&saddr,&slen);
acceptfd = accept(sock->obj.fd,&saddr,&slen);
if (acceptfd==-1) {
sock_set_error();
release_object( sock );
return NULL;
}
if (!(acceptsock = alloc_object( &sock_ops )))
if (!(acceptsock = alloc_object( &sock_ops, acceptfd )))
{
close( acceptfd );
release_object( sock );
return NULL;
}
acceptsock->fd = acceptfd;
acceptsock->state = WS_FD_CONNECTED|WS_FD_READ|WS_FD_WRITE;
acceptsock->mask = sock->mask;
acceptsock->hmask = 0;
acceptsock->pmask = 0;
acceptsock->event = NULL;
acceptsock->select = add_select_user( acceptfd, sock_select_event, acceptsock );
if (acceptsock->select == -1)
{
release_object( acceptsock );
release_object( sock );
return NULL;
}
if (sock->event) acceptsock->event = (struct event *)grab_object( sock->event );
sock_reselect( acceptsock );

216
server/socket.c
View File

@ -1,216 +0,0 @@
/*
* Server-side socket communication functions
*
* Copyright (C) 1998 Alexandre Julliard
*/
#include "config.h"
#include <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <sys/time.h>
#include <sys/types.h>
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
#include <sys/uio.h>
#include <unistd.h>
#include "object.h"
#include "request.h"
/* Some versions of glibc don't define this */
#ifndef SCM_RIGHTS
#define SCM_RIGHTS 1
#endif
/* client structure */
struct client
{
int fd; /* socket file descriptor */
int select; /* select user id */
unsigned int res; /* current result to send */
int pass_fd; /* fd to pass to and from the client */
struct thread *self; /* client thread (opaque pointer) */
struct timeout_user *timeout; /* current timeout (opaque pointer) */
};
/* socket communication static structures */
static struct iovec myiovec;
static struct msghdr msghdr = { NULL, 0, &myiovec, 1, };
#ifndef HAVE_MSGHDR_ACCRIGHTS
struct cmsg_fd
{
int len; /* sizeof structure */
int level; /* SOL_SOCKET */
int type; /* SCM_RIGHTS */
int fd; /* fd to pass */
};
static struct cmsg_fd cmsg = { sizeof(cmsg), SOL_SOCKET, SCM_RIGHTS, -1 };
#endif /* HAVE_MSGHDR_ACCRIGHTS */
/* send a message to a client that is ready to receive something */
static int do_write( struct client *client )
{
int ret;
if (client->pass_fd == -1)
{
ret = write( client->fd, &client->res, sizeof(client->res) );
if (ret == sizeof(client->res)) goto ok;
}
else /* we have an fd to send */
{
#ifdef HAVE_MSGHDR_ACCRIGHTS
msghdr.msg_accrightslen = sizeof(int);
msghdr.msg_accrights = (void *)&client->pass_fd;
#else /* HAVE_MSGHDR_ACCRIGHTS */
msghdr.msg_control = &cmsg;
msghdr.msg_controllen = sizeof(cmsg);
cmsg.fd = client->pass_fd;
#endif /* HAVE_MSGHDR_ACCRIGHTS */
myiovec.iov_base = (void *)&client->res;
myiovec.iov_len = sizeof(client->res);
ret = sendmsg( client->fd, &msghdr, 0 );
close( client->pass_fd );
client->pass_fd = -1;
if (ret == sizeof(client->res)) goto ok;
}
if (ret == -1)
{
if (errno == EWOULDBLOCK) return 0; /* not a fatal error */
if (errno != EPIPE) perror("sendmsg");
}
else fprintf( stderr, "Partial message sent %d/%d\n", ret, sizeof(client->res) );
remove_client( client, BROKEN_PIPE );
return -1;
ok:
set_select_events( client->select, POLLIN );
return 1;
}
/* read a message from a client that has something to say */
static void do_read( struct client *client )
{
int ret;
enum request req;
#ifdef HAVE_MSGHDR_ACCRIGHTS
msghdr.msg_accrightslen = sizeof(int);
msghdr.msg_accrights = (void *)&client->pass_fd;
#else /* HAVE_MSGHDR_ACCRIGHTS */
msghdr.msg_control = &cmsg;
msghdr.msg_controllen = sizeof(cmsg);
cmsg.fd = -1;
#endif /* HAVE_MSGHDR_ACCRIGHTS */
assert( client->pass_fd == -1 );
myiovec.iov_base = (void *)&req;
myiovec.iov_len = sizeof(req);
ret = recvmsg( client->fd, &msghdr, 0 );
#ifndef HAVE_MSGHDR_ACCRIGHTS
client->pass_fd = cmsg.fd;
#endif
if (ret == sizeof(req))
{
int pass_fd = client->pass_fd;
client->pass_fd = -1;
call_req_handler( client->self, req, pass_fd );
if (pass_fd != -1) close( pass_fd );
return;
}
if (ret == -1)
{
perror("recvmsg");
remove_client( client, BROKEN_PIPE );
return;
}
if (!ret) /* closed pipe */
{
remove_client( client, BROKEN_PIPE );
return;
}
fatal_protocol_error( client->self, "partial message received %d/%d\n", ret, sizeof(req) );
}
/* handle a client event */
static void client_event( int event, void *private )
{
struct client *client = (struct client *)private;
if (event & (POLLERR | POLLHUP)) remove_client( client, BROKEN_PIPE );
else
{
if (event & POLLOUT) do_write( client );
if (event & POLLIN) do_read( client );
}
}
/*******************************************************************/
/* server-side exported functions */
/* add a client */
struct client *add_client( int fd, struct thread *self )
{
int flags;
struct client *client = mem_alloc( sizeof(*client) );
if (!client) return NULL;
flags = fcntl( fd, F_GETFL, 0 );
fcntl( fd, F_SETFL, flags | O_NONBLOCK );
client->fd = fd;
client->self = self;
client->timeout = NULL;
client->pass_fd = -1;
if ((client->select = add_select_user( fd, client_event, client )) == -1)
{
free( client );
return NULL;
}
set_select_events( client->select, POLLIN );
return client;
}
/* remove a client */
void remove_client( struct client *client, int exit_code )
{
assert( client );
call_kill_handler( client->self, exit_code );
if (client->timeout) remove_timeout_user( client->timeout );
remove_select_user( client->select );
/* Purge messages */
if (client->pass_fd != -1) close( client->pass_fd );
free( client );
}
/* set the fd to pass to the client */
void client_pass_fd( struct client *client, int pass_fd )
{
assert( client->pass_fd == -1 );
client->pass_fd = pass_fd;
}
/* send a reply to a client */
void client_reply( struct client *client, unsigned int res )
{
if (debug_level) trace_reply( client->self, res, client->pass_fd );
client->res = res;
if (!do_write( client )) set_select_events( client->select, POLLOUT );
}

64
server/thread.c
View File

@ -63,21 +63,24 @@ struct thread_apc
static void dump_thread( struct object *obj, int verbose );
static int thread_signaled( struct object *obj, struct thread *thread );
extern void thread_poll_event( struct object *obj, int event );
static void destroy_thread( struct object *obj );
static const struct object_ops thread_ops =
{
sizeof(struct thread),
dump_thread,
add_queue,
remove_queue,
thread_signaled,
no_satisfied,
no_read_fd,
no_write_fd,
no_flush,
no_get_file_info,
destroy_thread
sizeof(struct thread), /* size */
dump_thread, /* dump */
add_queue, /* add_queue */
remove_queue, /* remove_queue */
thread_signaled, /* signaled */
no_satisfied, /* satisfied */
NULL, /* get_poll_events */
thread_poll_event, /* poll_event */
no_read_fd, /* get_read_fd */
no_write_fd, /* get_write_fd */
no_flush, /* flush */
no_get_file_info, /* get_file_info */
destroy_thread /* destroy */
};
static struct thread *first_thread;
@ -105,9 +108,11 @@ static struct thread *create_thread( int fd, struct process *process, int suspen
struct thread *thread;
int buf_fd;
if (!(thread = alloc_object( &thread_ops ))) return NULL;
int flags = fcntl( fd, F_GETFL, 0 );
fcntl( fd, F_SETFL, flags | O_NONBLOCK );
if (!(thread = alloc_object( &thread_ops, fd ))) return NULL;
thread->client = NULL;
thread->unix_pid = 0; /* not known yet */
thread->teb = NULL;
thread->mutex = NULL;
@ -118,6 +123,7 @@ static struct thread *create_thread( int fd, struct process *process, int suspen
thread->apc = NULL;
thread->apc_count = 0;
thread->error = 0;
thread->pass_fd = -1;
thread->state = RUNNING;
thread->attached = 0;
thread->exit_code = 0x103; /* STILL_ACTIVE */
@ -142,11 +148,8 @@ static struct thread *create_thread( int fd, struct process *process, int suspen
add_process_thread( process, thread );
if ((buf_fd = alloc_client_buffer( thread )) == -1) goto error;
if (!(thread->client = add_client( fd, thread )))
{
close( buf_fd );
goto error;
}
set_select_events( &thread->obj, POLLIN ); /* start listening to events */
set_reply_fd( thread, buf_fd ); /* send the fd to the client */
send_reply( thread );
return thread;
@ -164,6 +167,20 @@ void create_initial_thread( int fd )
select_loop();
}
/* handle a client event */
void thread_poll_event( struct object *obj, int event )
{
struct thread *thread = (struct thread *)obj;
assert( obj->ops == &thread_ops );
if (event & (POLLERR | POLLHUP)) kill_thread( thread, BROKEN_PIPE );
else
{
if (event & POLLOUT) write_request( thread );
if (event & POLLIN) read_request( thread );
}
}
/* destroy a thread when its refcount is 0 */
static void destroy_thread( struct object *obj )
{
@ -177,6 +194,7 @@ static void destroy_thread( struct object *obj )
else first_thread = thread->next;
if (thread->apc) free( thread->apc );
if (thread->buffer != (void *)-1) munmap( thread->buffer, MAX_REQUEST_LENGTH );
if (thread->pass_fd != -1) close( thread->pass_fd );
}
/* dump a thread on stdout for debugging purposes */
@ -499,21 +517,17 @@ static int thread_queue_apc( struct thread *thread, void *func, void *param )
void kill_thread( struct thread *thread, int exit_code )
{
if (thread->state == TERMINATED) return; /* already killed */
remove_client( thread->client, exit_code ); /* this will call thread_killed */
}
/* a thread has been killed */
void thread_killed( struct thread *thread, int exit_code )
{
thread->state = TERMINATED;
thread->exit_code = exit_code;
thread->client = NULL;
if (current == thread) current = NULL;
if (debug_level) trace_kill( thread );
if (thread->wait) end_wait( thread );
debug_exit_thread( thread, exit_code );
abandon_mutexes( thread );
remove_process_thread( thread->process, thread );
wake_up( &thread->obj, 0 );
detach_thread( thread );
remove_select_user( &thread->obj );
release_object( thread );
}

3
server/thread.h
View File

@ -46,10 +46,10 @@ struct thread
struct thread_apc *apc; /* list of async procedure calls */
int apc_count; /* number of outstanding APCs */
int error; /* current error code */
int pass_fd; /* fd to pass to the client */
enum run_state state; /* running state */
int attached; /* is thread attached with ptrace? */
int exit_code; /* thread exit code */
struct client *client; /* client for socket communications */
int unix_pid; /* Unix pid of client */
void *teb; /* TEB address (in client address space) */
int priority; /* priority level */
@ -74,7 +74,6 @@ extern void resume_all_threads( void );
extern int add_queue( struct object *obj, struct wait_queue_entry *entry );
extern void remove_queue( struct object *obj, struct wait_queue_entry *entry );
extern void kill_thread( struct thread *thread, int exit_code );
extern void thread_killed( struct thread *thread, int exit_code );
extern void thread_timeout(void);
extern void wake_up( struct object *obj, int max );

24
server/timer.c
View File

@ -39,17 +39,19 @@ static void timer_destroy( struct object *obj );
static const struct object_ops timer_ops =
{
sizeof(struct timer),
timer_dump,
add_queue,
remove_queue,
timer_signaled,
timer_satisfied,
no_read_fd,
no_write_fd,
no_flush,
no_get_file_info,
timer_destroy
sizeof(struct timer), /* size */
timer_dump, /* dump */
add_queue, /* add_queue */
remove_queue, /* remove_queue */
timer_signaled, /* signaled */
timer_satisfied, /* satisfied */
NULL, /* get_poll_events */
NULL, /* poll_event */
no_read_fd, /* get_read_fd */
no_write_fd, /* get_write_fd */
no_flush, /* flush */
no_get_file_info, /* get_file_info */
timer_destroy /* destroy */
};

10
server/trace.c
View File

@ -1341,22 +1341,22 @@ void trace_timeout(void)
fprintf( stderr, "%08x: *timeout*\n", (unsigned int)current );
}
void trace_kill( int exit_code )
void trace_kill( struct thread *thread )
{
fprintf( stderr,"%08x: *killed* exit_code=%d\n",
(unsigned int)current, exit_code );
(unsigned int)thread, thread->exit_code );
}
void trace_reply( struct thread *thread, unsigned int res, int pass_fd )
void trace_reply( struct thread *thread )
{
fprintf( stderr, "%08x: %s() = %d",
(unsigned int)thread, req_names[thread->last_req], res );
(unsigned int)thread, req_names[thread->last_req], thread->error );
if (reply_dumpers[thread->last_req])
{
fprintf( stderr, " {" );
reply_dumpers[thread->last_req]( thread->buffer );
fprintf( stderr, " }" );
}
if (pass_fd != -1) fprintf( stderr, " fd=%d\n", pass_fd );
if (thread->pass_fd != -1) fprintf( stderr, " fd=%d\n", thread->pass_fd );
else fprintf( stderr, "\n" );
}