ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Moved all references to file descriptors out of the generic object 

structure.
Changed the poll()-related routines to deal with file descriptors
instead of objects and integrated poll support into fd.c.
This commit is contained in:
Alexandre Julliard 2003-02-19 00:33:32 +00:00
parent ac13d2f47e
commit e66207ebfc
31 changed files with 643 additions and 592 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
server/Makefile.in
View File

@ -31,7 +31,6 @@ C_SRCS = \
queue.c \
registry.c \
request.c \
select.c \
semaphore.c \
serial.c \
smb.c \

1
server/async.c
View File

@ -28,6 +28,7 @@
#include <stdio.h>
#include "handle.h"
#include "file.h"
#include "thread.h"
#include "request.h"

2
server/atom.c
View File

@ -101,7 +101,7 @@ static struct atom_table *create_table(int entries_count)
{
struct atom_table *table;
if ((table = alloc_object( &atom_table_ops, -1 )))
if ((table = alloc_object( &atom_table_ops )))
{
if ((entries_count < MIN_HASH_SIZE) ||
(entries_count > MAX_HASH_SIZE)) entries_count = HASH_SIZE;

2
server/change.c
View File

@ -54,7 +54,7 @@ static const struct object_ops change_ops =
static struct change *create_change_notification( int subtree, int filter )
{
struct change *change;
if ((change = alloc_object( &change_ops, -1 )))
if ((change = alloc_object( &change_ops )))
{
change->subtree = subtree;
change->filter = filter;

6
server/console.c
View File

@ -199,7 +199,7 @@ static struct console_input_events *create_console_input_events(void)
{
struct console_input_events* evt;
if (!(evt = alloc_object( &console_input_events_ops, -1 ))) return NULL;
if (!(evt = alloc_object( &console_input_events_ops ))) return NULL;
evt->num_alloc = evt->num_used = 0;
evt->events = NULL;
return evt;
@ -209,7 +209,7 @@ static struct object *create_console_input( struct thread* renderer )
{
struct console_input *console_input;
if (!(console_input = alloc_object( &console_input_ops, -1 ))) return NULL;
if (!(console_input = alloc_object( &console_input_ops ))) return NULL;
console_input->renderer = renderer;
console_input->mode = ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT |
ENABLE_ECHO_INPUT | ENABLE_MOUSE_INPUT;
@ -239,7 +239,7 @@ static struct screen_buffer *create_console_output( struct console_input *consol
struct console_renderer_event evt;
int i;
if (!(screen_buffer = alloc_object( &screen_buffer_ops, -1 ))) return NULL;
if (!(screen_buffer = alloc_object( &screen_buffer_ops ))) return NULL;
screen_buffer->mode = ENABLE_PROCESSED_OUTPUT | ENABLE_WRAP_AT_EOL_OUTPUT;
screen_buffer->input = console_input;
screen_buffer->cursor_size = 100;

4
server/debugger.c
View File

@ -374,7 +374,7 @@ static struct debug_event *alloc_debug_event( struct thread *thread, int code,
assert( debugger->process != thread->process );
/* build the event */
if (!(event = alloc_object( &debug_event_ops, -1 ))) return NULL;
if (!(event = alloc_object( &debug_event_ops ))) return NULL;
event->next = NULL;
event->prev = NULL;
event->state = EVENT_QUEUED;
@ -537,7 +537,7 @@ int set_process_debugger( struct process *process, struct thread *debugger )
if (!debugger->debug_ctx) /* need to allocate a context */
{
if (!(debug_ctx = alloc_object( &debug_ctx_ops, -1 ))) return 0;
if (!(debug_ctx = alloc_object( &debug_ctx_ops ))) return 0;
debug_ctx->event_head = NULL;
debug_ctx->event_tail = NULL;
debug_ctx->kill_on_exit = 1;

2
server/device.c
View File

@ -59,7 +59,7 @@ static const struct object_ops device_ops =
static struct device *create_device( int id )
{
struct device *dev;
if ((dev = alloc_object( &device_ops, -1 )))
if ((dev = alloc_object( &device_ops )))
{
dev->id = id;
}

363
server/fd.c
View File

@ -22,9 +22,15 @@
#include "config.h"
#include <assert.h>
#include <signal.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#ifdef HAVE_SYS_POLL_H
#include <sys/poll.h>
#endif
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include "object.h"
@ -40,6 +46,7 @@ struct fd
const struct fd_ops *fd_ops; /* file descriptor operations */
struct object *user; /* object using this file descriptor */
int unix_fd; /* unix file descriptor */
int poll_index; /* index of fd in poll array */
int mode; /* file protection mode */
};
@ -54,11 +61,259 @@ static const struct object_ops fd_ops =
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satisfied */
default_get_fd, /* get_fd */
no_get_fd, /* get_fd */
fd_destroy /* destroy */
};
/****************************************************************/
/* timeouts support */
struct timeout_user
{
struct timeout_user *next; /* next in sorted timeout list */
struct timeout_user *prev; /* prev in sorted timeout list */
struct timeval when; /* timeout expiry (absolute time) */
timeout_callback callback; /* callback function */
void *private; /* callback private data */
};
static struct timeout_user *timeout_head; /* sorted timeouts list head */
static struct timeout_user *timeout_tail; /* sorted timeouts list tail */
/* add a timeout user */
struct timeout_user *add_timeout_user( struct timeval *when, timeout_callback func, void *private )
{
struct timeout_user *user;
struct timeout_user *pos;
if (!(user = mem_alloc( sizeof(*user) ))) return NULL;
user->when = *when;
user->callback = func;
user->private = private;
/* Now insert it in the linked list */
for (pos = timeout_head; pos; pos = pos->next)
if (!time_before( &pos->when, when )) break;
if (pos) /* insert it before 'pos' */
{
if ((user->prev = pos->prev)) user->prev->next = user;
else timeout_head = user;
user->next = pos;
pos->prev = user;
}
else /* insert it at the tail */
{
user->next = NULL;
if (timeout_tail) timeout_tail->next = user;
else timeout_head = user;
user->prev = timeout_tail;
timeout_tail = user;
}
return user;
}
/* remove a timeout user */
void remove_timeout_user( struct timeout_user *user )
{
if (user->next) user->next->prev = user->prev;
else timeout_tail = user->prev;
if (user->prev) user->prev->next = user->next;
else timeout_head = user->next;
free( user );
}
/* add a timeout in milliseconds to an absolute time */
void add_timeout( struct timeval *when, int timeout )
{
if (timeout)
{
long sec = timeout / 1000;
if ((when->tv_usec += (timeout - 1000*sec) * 1000) >= 1000000)
{
when->tv_usec -= 1000000;
when->tv_sec++;
}
when->tv_sec += sec;
}
}
/* handle the next expired timeout */
inline static void handle_timeout(void)
{
struct timeout_user *user = timeout_head;
timeout_head = user->next;
if (user->next) user->next->prev = user->prev;
else timeout_tail = user->prev;
user->callback( user->private );
free( user );
}
/****************************************************************/
/* poll support */
static struct fd **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 fd **freelist; /* list of free entries in the array */
/* add a user in the poll array and return its index, or -1 on failure */
static int add_poll_user( struct fd *fd )
{
int ret;
if (freelist)
{
ret = freelist - poll_users;
freelist = (struct fd **)poll_users[ret];
}
else
{
if (nb_users == allocated_users)
{
struct fd **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;
if (!(newpoll = realloc( pollfd, new_count * sizeof(*pollfd) )))
{
if (allocated_users)
poll_users = newusers;
else
free( newusers );
return -1;
}
poll_users = newusers;
pollfd = newpoll;
allocated_users = new_count;
}
ret = nb_users++;
}
pollfd[ret].fd = -1;
pollfd[ret].events = 0;
pollfd[ret].revents = 0;
poll_users[ret] = fd;
active_users++;
return ret;
}
/* remove a user from the poll list */
static void remove_poll_user( struct fd *fd, int user )
{
assert( user >= 0 );
assert( poll_users[user] == fd );
pollfd[user].fd = -1;
pollfd[user].events = 0;
pollfd[user].revents = 0;
poll_users[user] = (struct fd *)freelist;
freelist = &poll_users[user];
active_users--;
}
/* SIGHUP handler */
static void sighup_handler()
{
#ifdef DEBUG_OBJECTS
dump_objects();
#endif
}
/* SIGTERM handler */
static void sigterm_handler()
{
flush_registry();
exit(1);
}
/* SIGINT handler */
static void sigint_handler()
{
kill_all_processes( NULL, 1 );
flush_registry();
exit(1);
}
/* server main poll() loop */
void main_loop(void)
{
int ret;
sigset_t sigset;
struct sigaction action;
/* block the signals we use */
sigemptyset( &sigset );
sigaddset( &sigset, SIGCHLD );
sigaddset( &sigset, SIGHUP );
sigaddset( &sigset, SIGINT );
sigaddset( &sigset, SIGQUIT );
sigaddset( &sigset, SIGTERM );
sigprocmask( SIG_BLOCK, &sigset, NULL );
/* set the handlers */
action.sa_mask = sigset;
action.sa_flags = 0;
action.sa_handler = sigchld_handler;
sigaction( SIGCHLD, &action, NULL );
action.sa_handler = sighup_handler;
sigaction( SIGHUP, &action, NULL );
action.sa_handler = sigint_handler;
sigaction( SIGINT, &action, NULL );
action.sa_handler = sigterm_handler;
sigaction( SIGQUIT, &action, NULL );
sigaction( SIGTERM, &action, NULL );
while (active_users)
{
long diff = -1;
if (timeout_head)
{
struct timeval now;
gettimeofday( &now, NULL );
while (timeout_head)
{
if (!time_before( &now, &timeout_head->when )) handle_timeout();
else
{
diff = (timeout_head->when.tv_sec - now.tv_sec) * 1000
+ (timeout_head->when.tv_usec - now.tv_usec) / 1000;
break;
}
}
if (!active_users) break; /* last user removed by a timeout */
}
sigprocmask( SIG_UNBLOCK, &sigset, NULL );
/* Note: we assume that the signal handlers do not manipulate the pollfd array
* or the timeout list, otherwise there is a race here.
*/
ret = poll( pollfd, nb_users, diff );
sigprocmask( SIG_BLOCK, &sigset, NULL );
if (ret > 0)
{
int i;
for (i = 0; i < nb_users; i++)
{
if (pollfd[i].revents)
{
fd_poll_event( poll_users[i], pollfd[i].revents );
if (!--ret) break;
}
}
}
}
}
/****************************************************************/
/* file descriptor functions */
static void fd_dump( struct object *obj, int verbose )
{
struct fd *fd = (struct fd *)obj;
@ -67,32 +322,53 @@ static void fd_dump( struct object *obj, int verbose )
static void fd_destroy( struct object *obj )
{
#if 0
struct fd *fd = (struct fd *)obj;
if (fd->poll_index != -1) remove_poll_user( fd, fd->poll_index );
close( fd->unix_fd );
#endif
}
/* allocate an object that has an associated fd */
void *alloc_fd_object( const struct object_ops *ops,
const struct fd_ops *fd_user_ops, int unix_fd )
/* set the events that select waits for on this fd */
void set_fd_events( struct fd *fd, int events )
{
struct object *user;
struct fd *fd = alloc_object( &fd_ops, -1 );
int user = fd->poll_index;
assert( poll_users[user] == fd );
if (events == -1) /* stop waiting on this fd completely */
{
pollfd[user].fd = -1;
pollfd[user].events = POLLERR;
pollfd[user].revents = 0;
}
else if (pollfd[user].fd != -1 || !pollfd[user].events)
{
pollfd[user].fd = fd->unix_fd;
pollfd[user].events = events;
}
}
if (!fd) return NULL;
if (!(user = alloc_object( ops, unix_fd )))
/* allocate an fd object */
/* if the function fails the unix fd is closed */
struct fd *alloc_fd( const struct fd_ops *fd_user_ops, int unix_fd, struct object *user )
{
struct fd *fd = alloc_object( &fd_ops );
if (!fd)
{
close( unix_fd );
return NULL;
}
fd->fd_ops = fd_user_ops;
fd->user = user;
fd->unix_fd = unix_fd;
fd->poll_index = -1;
fd->mode = 0;
if ((unix_fd != -1) && ((fd->poll_index = add_poll_user( fd )) == -1))
{
release_object( fd );
return NULL;
}
fd->fd_ops = fd_user_ops;
fd->user = user;
fd->unix_fd = unix_fd;
fd->mode = 0;
user->fd_obj = fd;
return user;
return fd;
}
/* retrieve the object that is using an fd */
@ -104,26 +380,12 @@ void *get_fd_user( struct fd *fd )
/* retrieve the unix fd for an object */
int get_unix_fd( struct fd *fd )
{
if (fd) return fd->unix_fd;
return -1;
}
/* set the unix fd for an object; can only be done once */
void set_unix_fd( struct object *obj, int unix_fd )
{
struct fd *fd = obj->fd_obj;
assert( fd );
assert( fd->unix_fd == -1 );
fd->unix_fd = unix_fd;
obj->fd = unix_fd;
return fd->unix_fd;
}
/* callback for event happening in the main poll() loop */
void fd_poll_event( struct object *obj, int event )
void fd_poll_event( struct fd *fd, int event )
{
struct fd *fd = obj->fd_obj;
return fd->fd_ops->poll_event( fd, event );
}
@ -141,46 +403,50 @@ int check_fd_events( struct fd *fd, int events )
/* default add_queue() routine for objects that poll() on an fd */
int default_fd_add_queue( struct object *obj, struct wait_queue_entry *entry )
{
struct fd *fd = obj->fd_obj;
struct fd *fd = get_obj_fd( obj );
if (!fd) return 0;
if (!obj->head) /* first on the queue */
set_select_events( obj, fd->fd_ops->get_poll_events( fd ) );
set_fd_events( fd, fd->fd_ops->get_poll_events( fd ) );
add_queue( obj, entry );
release_object( fd );
return 1;
}
/* default remove_queue() routine for objects that poll() on an fd */
void default_fd_remove_queue( struct object *obj, struct wait_queue_entry *entry )
{
struct fd *fd = get_obj_fd( obj );
grab_object( obj );
remove_queue( obj, entry );
if (!obj->head) /* last on the queue is gone */
set_select_events( obj, 0 );
set_fd_events( fd, 0 );
release_object( obj );
release_object( fd );
}
/* default signaled() routine for objects that poll() on an fd */
int default_fd_signaled( struct object *obj, struct thread *thread )
{
struct fd *fd = obj->fd_obj;
struct fd *fd = get_obj_fd( obj );
int events = fd->fd_ops->get_poll_events( fd );
int ret = check_fd_events( fd, events ) != 0;
if (check_fd_events( 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;
if (ret)
set_fd_events( fd, 0 ); /* stop waiting on select() if we are signaled */
else if (obj->head)
set_fd_events( fd, events ); /* restart waiting on poll() if we are no longer signaled */
release_object( fd );
return ret;
}
/* default handler for poll() events */
void default_poll_event( struct fd *fd, int event )
{
/* an error occurred, stop polling this fd to avoid busy-looping */
if (event & (POLLERR | POLLHUP)) set_select_events( fd->user, -1 );
if (event & (POLLERR | POLLHUP)) set_fd_events( fd, -1 );
wake_up( fd->user, 0 );
}
@ -214,8 +480,7 @@ static struct fd *get_handle_fd_obj( struct process *process, obj_handle_t handl
if ((obj = get_handle_obj( process, handle, access, NULL )))
{
if (obj->fd_obj) fd = (struct fd *)grab_object( obj->fd_obj );
else set_error( STATUS_OBJECT_TYPE_MISMATCH );
if (!(fd = get_obj_fd( obj ))) set_error( STATUS_OBJECT_TYPE_MISMATCH );
release_object( obj );
}
return fd;

25
server/file.c
View File

@ -51,6 +51,7 @@
struct file
{
struct object obj; /* object header */
struct fd *fd; /* file descriptor for this file */
struct file *next; /* next file in hashing list */
char *name; /* file name */
unsigned int access; /* file access (GENERIC_READ/WRITE) */
@ -66,6 +67,7 @@ struct file
static struct file *file_hash[NAME_HASH_SIZE];
static void file_dump( struct object *obj, int verbose );
static struct fd *file_get_fd( struct object *obj );
static void file_destroy( struct object *obj );
static int file_get_poll_events( struct fd *fd );
@ -82,7 +84,7 @@ static const struct object_ops file_ops =
default_fd_remove_queue, /* remove_queue */
default_fd_signaled, /* signaled */
no_satisfied, /* satisfied */
default_get_fd, /* get_fd */
file_get_fd, /* get_fd */
file_destroy /* destroy */
};
@ -134,7 +136,7 @@ static struct file *create_file_for_fd( int fd, unsigned int access, unsigned in
{
struct file *file;
if ((file = alloc_fd_object( &file_ops, &file_fd_ops, fd )))
if ((file = alloc_object( &file_ops )))
{
file->name = NULL;
file->next = NULL;
@ -147,6 +149,11 @@ static struct file *create_file_for_fd( int fd, unsigned int access, unsigned in
init_async_queue (&file->read_q);
init_async_queue (&file->write_q);
}
if (!(file->fd = alloc_fd( &file_fd_ops, fd, &file->obj )))
{
release_object( file );
return NULL;
}
}
return file;
}
@ -264,7 +271,7 @@ static void file_dump( struct object *obj, int verbose )
{
struct file *file = (struct file *)obj;
assert( obj->ops == &file_ops );
fprintf( stderr, "File fd=%p flags=%08x name='%s'\n", file->obj.fd_obj, file->flags, file->name );
fprintf( stderr, "File fd=%p flags=%08x name='%s'\n", file->fd, file->flags, file->name );
}
static int file_get_poll_events( struct fd *fd )
@ -395,7 +402,14 @@ static void file_queue_async(struct fd *fd, void *ptr, unsigned int status, int
else if ( async ) destroy_async ( async );
else set_error ( STATUS_INVALID_PARAMETER );
set_select_events( &file->obj, file_get_poll_events( fd ));
set_fd_events( fd, file_get_poll_events( fd ));
}
static struct fd *file_get_fd( struct object *obj )
{
struct file *file = (struct file *)obj;
assert( obj->ops == &file_ops );
return (struct fd *)grab_object( file->fd );
}
static void file_destroy( struct object *obj )
@ -418,6 +432,7 @@ static void file_destroy( struct object *obj )
destroy_async_queue (&file->read_q);
destroy_async_queue (&file->write_q);
}
if (file->fd) release_object( file->fd );
}
/* set the last error depending on errno */
@ -453,7 +468,7 @@ struct file *get_file_obj( struct process *process, obj_handle_t handle, unsigne
int get_file_unix_fd( struct file *file )
{
return get_unix_fd( file->obj.fd_obj );
return get_unix_fd( file->fd );
}
static int set_file_pointer( obj_handle_t handle, unsigned int *low, int *high, int whence )

25
server/file.h
View File

@ -42,13 +42,12 @@ struct fd_ops
/* file descriptor functions */
extern void *alloc_fd_object( const struct object_ops *ops,
const struct fd_ops *fd_user_ops, int unix_fd );
extern struct fd *alloc_fd( const struct fd_ops *fd_ops, int unix_fd, struct object *user );
extern void *get_fd_user( struct fd *fd );
extern int get_unix_fd( struct fd *fd );
extern void set_unix_fd( struct object *obj, int unix_fd );
extern void fd_poll_event( struct object *obj, int event );
extern void fd_poll_event( struct fd *fd, int event );
extern int check_fd_events( struct fd *fd, int events );
extern void set_fd_events( struct fd *fd, int events );
extern int default_fd_add_queue( struct object *obj, struct wait_queue_entry *entry );
extern void default_fd_remove_queue( struct object *obj, struct wait_queue_entry *entry );
@ -57,9 +56,27 @@ extern void default_poll_event( struct fd *fd, int event );
extern int no_flush( struct fd *fd );
extern int no_get_file_info( struct fd *fd, struct get_file_info_reply *info, int *flags );
extern void no_queue_async( struct fd *fd, void* ptr, unsigned int status, int type, int count );
extern void main_loop(void);
inline static struct fd *get_obj_fd( struct object *obj ) { return obj->ops->get_fd( obj ); }
/* timeout functions */
struct timeout_user;
typedef void (*timeout_callback)( void *private );
extern struct timeout_user *add_timeout_user( struct timeval *when,
timeout_callback func, void *private );
extern void remove_timeout_user( struct timeout_user *user );
extern void add_timeout( struct timeval *when, int timeout );
/* return 1 if t1 is before t2 */
static inline int time_before( struct timeval *t1, struct timeval *t2 )
{
return ((t1->tv_sec < t2->tv_sec) ||
((t1->tv_sec == t2->tv_sec) && (t1->tv_usec < t2->tv_usec)));
}
/* file functions */
extern struct file *get_file_obj( struct process *process, obj_handle_t handle,

2
server/handle.c
View File

@ -154,7 +154,7 @@ struct handle_table *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, -1 )))
if (!(table = alloc_object( &handle_table_ops )))
return NULL;
table->process = process;
table->count = count;

2
server/hook.c
View File

@ -79,7 +79,7 @@ static struct hook_table *alloc_hook_table(void)
struct hook_table *table;
int i;
if ((table = alloc_object( &hook_table_ops, -1 )))
if ((table = alloc_object( &hook_table_ops )))
{
for (i = 0; i < NB_HOOKS; i++)
{

3
server/main.c
View File

@ -28,6 +28,7 @@
#include <unistd.h>
#include "object.h"
#include "file.h"
#include "thread.h"
#include "request.h"
@ -126,7 +127,7 @@ int main( int argc, char *argv[] )
if (debug_level) fprintf( stderr, "wineserver: starting (pid=%ld)\n", (long) getpid() );
init_registry();
select_loop();
main_loop();
#ifdef DEBUG_OBJECTS
dump_objects(); /* dump any remaining objects */

15
server/mapping.c
View File

@ -50,6 +50,7 @@ struct mapping
};
static void mapping_dump( struct object *obj, int verbose );
static struct fd *mapping_get_fd( struct object *obj );
static void mapping_destroy( struct object *obj );
static const struct object_ops mapping_ops =
@ -60,7 +61,7 @@ static const struct object_ops mapping_ops =
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satisfied */
default_get_fd, /* get_fd */
mapping_get_fd, /* get_fd */
mapping_destroy /* destroy */
};
@ -190,8 +191,7 @@ static int get_image_params( struct mapping *mapping )
/* load the headers */
if (!(fd = get_obj_fd( (struct object *)mapping->file ))) return 0;
mapping->obj.fd_obj = fd;
if (!(fd = mapping_get_fd( &mapping->obj ))) return 0;
unix_fd = get_unix_fd( fd );
filepos = lseek( unix_fd, 0, SEEK_SET );
if (read( unix_fd, &dos, sizeof(dos) ) != sizeof(dos)) goto error;
@ -231,11 +231,13 @@ static int get_image_params( struct mapping *mapping )
lseek( unix_fd, filepos, SEEK_SET );
free( sec );
release_object( fd );
return 1;
error:
lseek( unix_fd, filepos, SEEK_SET );
if (sec) free( sec );
release_object( fd );
set_error( STATUS_INVALID_FILE_FOR_SECTION );
return 0;
}
@ -301,7 +303,6 @@ static struct object *create_mapping( int size_high, int size_low, int protect,
if (!(mapping->file = create_temp_file( access ))) goto error;
if (!grow_file( mapping->file, size_high, size_low )) goto error;
}
mapping->obj.fd_obj = get_obj_fd( (struct object *)mapping->file );
mapping->size_high = size_high;
mapping->size_low = ROUND_SIZE( 0, size_low );
mapping->protect = protect;
@ -324,6 +325,12 @@ static void mapping_dump( struct object *obj, int verbose )
fputc( '\n', stderr );
}
static struct fd *mapping_get_fd( struct object *obj )
{
struct mapping *mapping = (struct mapping *)obj;
return get_obj_fd( (struct object *)mapping->file );
}
static void mapping_destroy( struct object *obj )
{
struct mapping *mapping = (struct mapping *)obj;

182
server/named_pipe.c
View File

@ -61,6 +61,7 @@ struct named_pipe;
struct pipe_user
{
struct object obj;
struct fd *fd;
enum pipe_state state;
struct pipe_user *other;
struct named_pipe *pipe;
@ -98,7 +99,10 @@ static const struct object_ops named_pipe_ops =
};
static void pipe_user_dump( struct object *obj, int verbose );
static struct fd *pipe_user_get_fd( struct object *obj );
static void pipe_user_destroy( struct object *obj);
static int pipe_user_get_poll_events( struct fd *fd );
static int pipe_user_get_info( struct fd *fd, struct get_file_info_reply *reply, int *flags );
static const struct object_ops pipe_user_ops =
@ -109,13 +113,13 @@ static const struct object_ops pipe_user_ops =
default_fd_remove_queue, /* remove_queue */
default_fd_signaled, /* signaled */
no_satisfied, /* satisfied */
default_get_fd, /* get_fd */
pipe_user_get_fd, /* get_fd */
pipe_user_destroy /* destroy */
};
static const struct fd_ops pipe_user_fd_ops =
{
NULL, /* get_poll_events */
pipe_user_get_poll_events, /* get_poll_events */
default_poll_event, /* poll_event */
no_flush, /* flush */
pipe_user_get_info, /* get_file_info */
@ -156,6 +160,12 @@ static void notify_waiter( struct pipe_user *user, unsigned int status)
user->overlapped=NULL;
}
static struct fd *pipe_user_get_fd( struct object *obj )
{
struct pipe_user *user = (struct pipe_user *)obj;
return (struct fd *)grab_object( user->fd );
}
static void pipe_user_destroy( struct object *obj)
{
struct pipe_user *user = (struct pipe_user *)obj;
@ -167,8 +177,8 @@ static void pipe_user_destroy( struct object *obj)
if(user->other)
{
release_object( user->other->obj.fd_obj );
user->other->obj.fd_obj = NULL;
release_object( user->other->fd );
user->other->fd = NULL;
switch(user->other->state)
{
case ps_connected_server:
@ -191,6 +201,12 @@ static void pipe_user_destroy( struct object *obj)
else user->pipe->users = user->next;
if (user->thread) release_object(user->thread);
release_object(user->pipe);
if (user->fd) release_object( user->fd );
}
static int pipe_user_get_poll_events( struct fd *fd )
{
return POLLIN | POLLOUT; /* FIXME */
}
static int pipe_user_get_info( struct fd *fd, struct get_file_info_reply *reply, int *flags )
@ -227,20 +243,36 @@ static struct named_pipe *create_named_pipe( const WCHAR *name, size_t len )
return pipe;
}
static struct named_pipe *open_named_pipe( const WCHAR *name, size_t len )
{
struct object *obj;
if ((obj = find_object( sync_namespace, name, len )))
{
if (obj->ops == &named_pipe_ops) return (struct named_pipe *)obj;
release_object( obj );
set_error( STATUS_OBJECT_TYPE_MISMATCH );
}
else set_error( STATUS_OBJECT_NAME_NOT_FOUND );
return NULL;
}
static struct pipe_user *get_pipe_user_obj( struct process *process, obj_handle_t handle,
unsigned int access )
{
return (struct pipe_user *)get_handle_obj( process, handle, access, &pipe_user_ops );
}
static struct pipe_user *create_pipe_user( struct named_pipe *pipe, int fd )
static struct pipe_user *create_pipe_user( struct named_pipe *pipe )
{
struct pipe_user *user;
user = alloc_fd_object( &pipe_user_ops, &pipe_user_fd_ops, fd );
user = alloc_object( &pipe_user_ops );
if(!user)
return NULL;
user->fd = NULL;
user->pipe = pipe;
user->state = ps_none;
user->other = NULL;
@ -293,7 +325,7 @@ DECL_HANDLER(create_named_pipe)
pipe->pipemode = req->pipemode;
}
user = create_pipe_user (pipe, -1);
user = create_pipe_user( pipe );
if(user)
{
@ -307,54 +339,46 @@ DECL_HANDLER(create_named_pipe)
DECL_HANDLER(open_named_pipe)
{
struct pipe_user *user, *partner;
struct named_pipe *pipe;
reply->handle = 0;
pipe = create_named_pipe( get_req_data(), get_req_data_size() );
if(!pipe)
if (!(pipe = open_named_pipe( get_req_data(), get_req_data_size() )))
{
set_error( STATUS_NO_SUCH_FILE );
return;
if (get_error() == STATUS_OBJECT_NAME_COLLISION)
}
if (!(partner = find_partner(pipe, ps_wait_open)))
{
struct pipe_user *partner;
release_object(pipe);
set_error( STATUS_PIPE_NOT_AVAILABLE );
return;
}
if ((user = create_pipe_user( pipe )))
{
int fds[2];
if ((partner = find_partner(pipe, ps_wait_open)))
if(!socketpair(PF_UNIX, SOCK_STREAM, 0, fds))
{
int fds[2];
if(!socketpair(PF_UNIX, SOCK_STREAM, 0, fds))
user->fd = alloc_fd( &pipe_user_fd_ops, fds[1], &user->obj );
partner->fd = alloc_fd( &pipe_user_fd_ops, fds[0], &partner->obj );
if (user->fd && partner->fd)
{
struct pipe_user *user;
if( (user = create_pipe_user (pipe, fds[1])) )
{
set_unix_fd( &partner->obj, fds[0] );
notify_waiter(partner,STATUS_SUCCESS);
partner->state = ps_connected_server;
partner->other = user;
user->state = ps_connected_client;
user->other = partner;
reply->handle = alloc_handle( current->process, user, req->access, 0 );
release_object(user);
}
else
{
close(fds[0]);
}
notify_waiter(partner,STATUS_SUCCESS);
partner->state = ps_connected_server;
partner->other = user;
user->state = ps_connected_client;
user->other = partner;
reply->handle = alloc_handle( current->process, user, req->access, 0 );
}
release_object( partner );
}
else
{
set_error(STATUS_PIPE_NOT_AVAILABLE);
}
}
else
{
set_error(STATUS_NO_SUCH_FILE);
}
else file_set_error();
release_object(pipe);
release_object( user );
}
release_object( partner );
release_object( pipe );
}
DECL_HANDLER(connect_named_pipe)
@ -381,7 +405,6 @@ DECL_HANDLER(connect_named_pipe)
{
notify_waiter(partner,STATUS_SUCCESS);
release_object(partner);
release_object(partner);
}
}
@ -391,44 +414,35 @@ DECL_HANDLER(connect_named_pipe)
DECL_HANDLER(wait_named_pipe)
{
struct named_pipe *pipe;
struct pipe_user *partner;
pipe = create_named_pipe( get_req_data(), get_req_data_size() );
if( pipe )
if (!(pipe = open_named_pipe( get_req_data(), get_req_data_size() )))
{
/* only wait if the pipe already exists */
if(get_error() == STATUS_OBJECT_NAME_COLLISION)
{
struct pipe_user *partner;
set_error(STATUS_SUCCESS);
if( (partner = find_partner(pipe,ps_wait_open)) )
{
/* this should use notify_waiter,
but no pipe_user object exists now... */
thread_queue_apc(current,NULL,req->func,
APC_ASYNC,1,2,req->overlapped,STATUS_SUCCESS);
release_object(partner);
}
else
{
struct pipe_user *user;
if( (user = create_pipe_user (pipe, -1)) )
{
user->state = ps_wait_connect;
user->thread = (struct thread *)grab_object(current);
user->func = req->func;
user->overlapped = req->overlapped;
/* don't release it */
}
}
}
else
{
set_error(STATUS_PIPE_NOT_AVAILABLE);
}
release_object(pipe);
set_error( STATUS_PIPE_NOT_AVAILABLE );
return;
}
if( (partner = find_partner(pipe,ps_wait_open)) )
{
/* this should use notify_waiter,
but no pipe_user object exists now... */
thread_queue_apc(current,NULL,req->func,
APC_ASYNC,1,2,req->overlapped,STATUS_SUCCESS);
release_object(partner);
}
else
{
struct pipe_user *user;
if( (user = create_pipe_user( pipe )) )
{
user->state = ps_wait_connect;
user->thread = (struct thread *)grab_object(current);
user->func = req->func;
user->overlapped = req->overlapped;
/* don't release it */
}
}
release_object(pipe);
}
DECL_HANDLER(disconnect_named_pipe)
@ -441,13 +455,13 @@ DECL_HANDLER(disconnect_named_pipe)
if( (user->state == ps_connected_server) &&
(user->other->state == ps_connected_client) )
{
release_object( user->other->obj.fd_obj );
user->other->obj.fd_obj = NULL;
release_object( user->other->fd );
user->other->fd = NULL;
user->other->state = ps_disconnected;
user->other->other = NULL;
release_object( user->obj.fd_obj );
user->obj.fd_obj = NULL;
release_object( user->fd );
user->fd = NULL;
user->state = ps_idle_server;
user->other = NULL;
}

27
server/object.c
View File

@ -131,32 +131,21 @@ static void set_object_name( struct namespace *namespace,
}
/* allocate and initialize an object */
/* if the function fails the fd is closed */
void *alloc_object( const struct object_ops *ops, int fd )
void *alloc_object( const struct object_ops *ops )
{
struct object *obj = mem_alloc( ops->size );
if (obj)
{
obj->refcount = 1;
obj->fd_obj = NULL;
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
list_add_head( &object_list, &obj->obj_list );
#endif
return obj;
}
if (fd != -1) close( fd );
return NULL;
}
@ -166,7 +155,7 @@ void *create_named_object( struct namespace *namespace, const struct object_ops
struct object *obj;
struct object_name *name_ptr;
if (!name || !len) return alloc_object( ops, -1 );
if (!name || !len) return alloc_object( ops );
if ((obj = find_object( namespace, name, len )))
{
@ -179,7 +168,7 @@ void *create_named_object( struct namespace *namespace, const struct object_ops
return NULL;
}
if (!(name_ptr = alloc_name( name, len ))) return NULL;
if ((obj = alloc_object( ops, -1 )))
if ((obj = alloc_object( ops )))
{
set_object_name( namespace, obj, name_ptr );
clear_error();
@ -220,10 +209,7 @@ void release_object( void *ptr )
assert( !obj->head );
assert( !obj->tail );
obj->ops->destroy( obj );
if (obj->fd_obj) release_object( obj->fd_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
list_remove( &obj->obj_list );
memset( obj, 0xaa, obj->ops->size );
@ -296,13 +282,6 @@ struct fd *no_get_fd( struct object *obj )
return NULL;
}
struct fd *default_get_fd( struct object *obj )
{
if (obj->fd_obj) return (struct fd *)grab_object( obj->fd_obj );
set_error( STATUS_OBJECT_TYPE_MISMATCH );
return NULL;
}
void no_destroy( struct object *obj )
{
}

31
server/object.h
View File

@ -67,9 +67,6 @@ struct object_ops
struct object
{
unsigned int refcount; /* reference count */
struct fd *fd_obj; /* file descriptor */
int fd; /* file descriptor */
int select; /* select() user id */
const struct object_ops *ops;
struct wait_queue_entry *head;
struct wait_queue_entry *tail;
@ -89,7 +86,7 @@ struct wait_queue_entry
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, int fd );
extern void *alloc_object( const struct object_ops *ops );
extern void dump_object_name( struct object *obj );
extern void *create_named_object( struct namespace *namespace, const struct object_ops *ops,
const WCHAR *name, size_t len );
@ -102,37 +99,11 @@ extern struct object *find_object( const struct namespace *namespace, const WCHA
extern int no_add_queue( struct object *obj, struct wait_queue_entry *entry );
extern int no_satisfied( struct object *obj, struct thread *thread );
extern struct fd *no_get_fd( struct object *obj );
extern struct fd *default_get_fd( struct object *obj );
extern void no_destroy( struct object *obj );
#ifdef DEBUG_OBJECTS
extern void dump_objects(void);
#endif
/* select functions */
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, int events );
extern void set_select_events( struct object *obj, int events );
extern void select_loop(void);
/* timeout functions */
struct timeout_user;
typedef void (*timeout_callback)( void *private );
extern struct timeout_user *add_timeout_user( struct timeval *when,
timeout_callback func, void *private );
extern void remove_timeout_user( struct timeout_user *user );
extern void add_timeout( struct timeval *when, int timeout );
/* return 1 if t1 is before t2 */
static inline int time_before( struct timeval *t1, struct timeval *t2 )
{
return ((t1->tv_sec < t2->tv_sec) ||
((t1->tv_sec == t2->tv_sec) && (t1->tv_usec < t2->tv_usec)));
}
/* event functions */
struct event;

13
server/pipe.c
View File

@ -42,6 +42,7 @@ enum side { READ_SIDE, WRITE_SIDE };
struct pipe
{
struct object obj; /* object header */
struct fd *fd; /* pipe file descriptor */
struct pipe *other; /* the pipe other end */
enum side side; /* which side of the pipe is this */
};
@ -79,11 +80,16 @@ static struct pipe *create_pipe_side( int fd, int side )
{
struct pipe *pipe;
if ((pipe = alloc_fd_object( &pipe_ops, &pipe_fd_ops, fd )))
if ((pipe = alloc_object( &pipe_ops )))
{
pipe->other = NULL;
pipe->side = side;
}
if (!(pipe->fd = alloc_fd( &pipe_fd_ops, fd, &pipe->obj )))
{
release_object( pipe );
return NULL;
}
return pipe;
}
@ -119,7 +125,7 @@ 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=%p\n",
(pipe->side == READ_SIDE) ? "read" : "write", pipe->obj.fd_obj );
(pipe->side == READ_SIDE) ? "read" : "write", pipe->fd );
}
static int pipe_get_poll_events( struct fd *fd )
@ -139,7 +145,7 @@ static struct fd *pipe_get_fd( struct object *obj )
set_error( STATUS_PIPE_BROKEN );
return NULL;
}
return (struct fd *)grab_object( pipe->obj.fd_obj );
return (struct fd *)grab_object( pipe->fd );
}
static int pipe_get_info( struct fd *fd, struct get_file_info_reply *reply, int *flags )
@ -167,6 +173,7 @@ static void pipe_destroy( struct object *obj )
assert( obj->ops == &pipe_ops );
if (pipe->other) pipe->other->other = NULL;
if (pipe->fd) release_object( pipe->fd );
}
/* create an anonymous pipe */

12
server/process.c
View File

@ -263,13 +263,14 @@ struct thread *create_process( int fd )
struct thread *thread = NULL;
int request_pipe[2];
if (!(process = alloc_fd_object( &process_ops, &process_fd_ops, fd ))) goto error;
if (!(process = alloc_object( &process_ops ))) goto error;
process->next = NULL;
process->prev = NULL;
process->parent = NULL;
process->thread_list = NULL;
process->debugger = NULL;
process->handles = NULL;
process->msg_fd = NULL;
process->exit_code = STILL_ACTIVE;
process->running_threads = 0;
process->priority = NORMAL_PRIORITY_CLASS;
@ -297,6 +298,7 @@ struct thread *create_process( int fd )
first_process = process;
if (!(process->id = alloc_ptid( process ))) goto error;
if (!(process->msg_fd = alloc_fd( &process_fd_ops, fd, &process->obj ))) goto error;
/* create the main thread */
if (pipe( request_pipe ) == -1)
@ -313,7 +315,7 @@ struct thread *create_process( int fd )
close( request_pipe[1] );
if (!(thread = create_thread( request_pipe[0], process ))) goto error;
set_select_events( &process->obj, POLLIN ); /* start listening to events */
set_fd_events( process->msg_fd, POLLIN ); /* start listening to events */
release_object( process );
return thread;
@ -404,6 +406,7 @@ static void process_destroy( struct object *obj )
set_process_startup_state( process, STARTUP_ABORTED );
if (process->console) release_object( process->console );
if (process->parent) release_object( process->parent );
if (process->msg_fd) release_object( process->msg_fd );
if (process->next) process->next->prev = process->prev;
if (process->prev) process->prev->next = process->next;
else first_process = process->next;
@ -431,13 +434,12 @@ static int process_signaled( struct object *obj, struct thread *thread )
return !process->running_threads;
}
static void process_poll_event( struct fd *fd, int event )
{
struct process *process = get_fd_user( fd );
assert( process->obj.ops == &process_ops );
if (event & (POLLERR | POLLHUP)) set_select_events( &process->obj, -1 );
if (event & (POLLERR | POLLHUP)) set_fd_events( fd, -1 );
else if (event & POLLIN) receive_fd( process );
}
@ -883,7 +885,7 @@ DECL_HANDLER(new_process)
}
/* build the startup info for a new process */
if (!(info = alloc_object( &startup_info_ops, -1 ))) return;
if (!(info = alloc_object( &startup_info_ops ))) return;
info->inherit_all = req->inherit_all;
info->use_handles = req->use_handles;
info->create_flags = req->create_flags;

1
server/process.h
View File

@ -56,6 +56,7 @@ struct process
struct thread *thread_list; /* head of the thread list */
struct thread *debugger; /* thread debugging this process */
struct handle_table *handles; /* handle entries */
struct fd *msg_fd; /* fd for sendmsg/recvmsg */
process_id_t id; /* id of the process */
process_id_t group_id; /* group id of the process */
int exit_code; /* process exit code */

5
server/queue.c
View File

@ -30,6 +30,7 @@
#include "winuser.h"
#include "handle.h"
#include "file.h"
#include "thread.h"
#include "process.h"
#include "request.h"
@ -181,7 +182,7 @@ static struct thread_input *create_thread_input(void)
{
struct thread_input *input;
if ((input = alloc_object( &thread_input_ops, -1 )))
if ((input = alloc_object( &thread_input_ops )))
{
input->focus = 0;
input->capture = 0;
@ -204,7 +205,7 @@ static struct msg_queue *create_msg_queue( struct thread *thread, struct thread_
int i;
if (!input && !(input = create_thread_input())) return NULL;
if ((queue = alloc_object( &msg_queue_ops, -1 )))
if ((queue = alloc_object( &msg_queue_ops )))
{
queue->wake_bits = 0;
queue->wake_mask = 0;

2
server/registry.c
View File

@ -434,7 +434,7 @@ static WCHAR *req_strdupW( const void *req, const WCHAR *str, size_t len )
static struct key *alloc_key( const WCHAR *name, time_t modif )
{
struct key *key;
if ((key = (struct key *)alloc_object( &key_ops, -1 )))
if ((key = alloc_object( &key_ops )))
{
key->class = NULL;
key->flags = 0;

50
server/request.c
View File

@ -73,11 +73,13 @@ static const char * const server_lock_name = "lock"; /* name of the server
struct master_socket
{
struct object obj; /* object header */
struct object obj; /* object header */
struct fd *fd; /* file descriptor of the master socket */
struct timeout_user *timeout; /* timeout on last process exit */
};
static void master_socket_dump( struct object *obj, int verbose );
static void master_socket_destroy( struct object *obj );
static void master_socket_poll_event( struct fd *fd, int event );
static const struct object_ops master_socket_ops =
@ -89,7 +91,7 @@ static const struct object_ops master_socket_ops =
NULL, /* signaled */
NULL, /* satisfied */
no_get_fd, /* get_fd */
no_destroy /* destroy */
master_socket_destroy /* destroy */
};
static const struct fd_ops master_socket_fd_ops =
@ -188,7 +190,7 @@ void write_reply( struct thread *thread )
{
int ret;
if ((ret = write( thread->reply_fd,
if ((ret = write( get_unix_fd( thread->reply_fd ),
(char *)thread->reply_data + thread->reply_size - thread->reply_towrite,
thread->reply_towrite )) >= 0)
{
@ -197,7 +199,8 @@ void write_reply( struct thread *thread )
free( thread->reply_data );
thread->reply_data = NULL;
/* sent everything, can go back to waiting for requests */
change_select_fd( &thread->obj, thread->request_fd, POLLIN );
set_fd_events( thread->request_fd, POLLIN );
set_fd_events( thread->reply_fd, 0 );
}
return;
}
@ -214,7 +217,8 @@ static void send_reply( union generic_reply *reply )
if (!current->reply_size)
{
if ((ret = write( current->reply_fd, reply, sizeof(*reply) )) != sizeof(*reply)) goto error;
if ((ret = write( get_unix_fd( current->reply_fd ),
reply, sizeof(*reply) )) != sizeof(*reply)) goto error;
}
else
{
@ -225,12 +229,13 @@ static void send_reply( union generic_reply *reply )
vec[1].iov_base = current->reply_data;
vec[1].iov_len = current->reply_size;
if ((ret = writev( current->reply_fd, vec, 2 )) < sizeof(*reply)) goto error;
if ((ret = writev( get_unix_fd( current->reply_fd ), vec, 2 )) < sizeof(*reply)) goto error;
if ((current->reply_towrite = current->reply_size - (ret - sizeof(*reply))))
{
/* couldn't write it all, wait for POLLOUT */
change_select_fd( &current->obj, current->reply_fd, POLLOUT );
set_fd_events( current->reply_fd, POLLOUT );
set_fd_events( current->request_fd, 0 );
return;
}
}
@ -286,7 +291,7 @@ void read_request( struct thread *thread )
if (!thread->req_toread) /* no pending request */
{
if ((ret = read( thread->obj.fd, &thread->req,
if ((ret = read( get_unix_fd( thread->request_fd ), &thread->req,
sizeof(thread->req) )) != sizeof(thread->req)) goto error;
if (!(thread->req_toread = thread->req.request_header.request_size))
{
@ -301,8 +306,9 @@ void read_request( struct thread *thread )
/* read the variable sized data */
for (;;)
{
ret = read( thread->obj.fd, ((char *)thread->req_data +
thread->req.request_header.request_size - thread->req_toread),
ret = read( get_unix_fd( thread->request_fd ),
(char *)thread->req_data + thread->req.request_header.request_size
- thread->req_toread,
thread->req_toread );
if (ret <= 0) break;
if (!(thread->req_toread -= ret))
@ -341,7 +347,7 @@ int receive_fd( struct process *process )
myiovec.iov_base = (void *)&data;
myiovec.iov_len = sizeof(data);
ret = recvmsg( process->obj.fd, &msghdr, 0 );
ret = recvmsg( get_unix_fd( process->msg_fd ), &msghdr, 0 );
#ifndef HAVE_MSGHDR_ACCRIGHTS
fd = cmsg.fd;
#endif
@ -411,7 +417,7 @@ int send_client_fd( struct process *process, int fd, obj_handle_t handle )
myiovec.iov_base = (void *)&handle;
myiovec.iov_len = sizeof(handle);
ret = sendmsg( process->obj.fd, &msghdr, 0 );
ret = sendmsg( get_unix_fd( process->msg_fd ), &msghdr, 0 );
if (ret == sizeof(handle)) return 0;
@ -445,7 +451,14 @@ static void master_socket_dump( struct object *obj, int verbose )
{
struct master_socket *sock = (struct master_socket *)obj;
assert( obj->ops == &master_socket_ops );
fprintf( stderr, "Master socket fd=%p\n", sock->obj.fd_obj );
fprintf( stderr, "Master socket fd=%p\n", sock->fd );
}
static void master_socket_destroy( struct object *obj )
{
struct master_socket *sock = (struct master_socket *)obj;
assert( obj->ops == &master_socket_ops );
release_object( sock->fd );
}
/* handle a socket event */
@ -466,7 +479,7 @@ static void master_socket_poll_event( struct fd *fd, int event )
{
struct sockaddr_un dummy;
int len = sizeof(dummy);
int client = accept( master_socket->obj.fd, (struct sockaddr *) &dummy, &len );
int client = accept( get_unix_fd( master_socket->fd ), (struct sockaddr *) &dummy, &len );
if (client == -1) return;
if (sock->timeout)
{
@ -682,10 +695,11 @@ static void acquire_lock(void)
chmod( server_socket_name, 0600 ); /* make sure no other user can connect */
if (listen( fd, 5 ) == -1) fatal_perror( "listen" );
if (!(master_socket = alloc_fd_object( &master_socket_ops, &master_socket_fd_ops, fd )))
if (!(master_socket = alloc_object( &master_socket_ops )) ||
!(master_socket->fd = alloc_fd( &master_socket_fd_ops, fd, &master_socket->obj )))
fatal_error( "out of memory\n" );
master_socket->timeout = NULL;
set_select_events( &master_socket->obj, POLLIN );
set_fd_events( master_socket->fd, POLLIN );
}
/* open the master server socket and start waiting for new clients */
@ -748,7 +762,7 @@ static void close_socket_timeout( void *arg )
flush_registry();
/* if a new client is waiting, we keep on running */
if (check_fd_events( master_socket->obj.fd_obj, POLLIN )) return;
if (check_fd_events( master_socket->fd, POLLIN )) return;
if (debug_level) fprintf( stderr, "wineserver: exiting (pid=%ld)\n", (long) getpid() );
@ -783,5 +797,5 @@ void close_master_socket(void)
/* lock/unlock the master socket to stop accepting new clients */
void lock_master_socket( int locked )
{
set_select_events( &master_socket->obj, locked ? 0 : POLLIN );
set_fd_events( master_socket->fd, locked ? 0 : POLLIN );
}

305
server/select.c
View File

@ -1,305 +0,0 @@
/*
* Server main select() loop
*
* Copyright (C) 1998 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <assert.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_SYS_POLL_H
#include <sys/poll.h>
#endif
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include "file.h"
#include "thread.h"
#include "process.h"
struct timeout_user
{
struct timeout_user *next; /* next in sorted timeout list */
struct timeout_user *prev; /* prev in sorted timeout list */
struct timeval when; /* timeout expiry (absolute time) */
timeout_callback callback; /* callback function */
void *private; /* callback private data */
};
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 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( struct object *obj )
{
int ret;
if (freelist)
{
ret = freelist - poll_users;
freelist = (struct object **)poll_users[ret];
}
else
{
if (nb_users == allocated_users)
{
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;
if (!(newpoll = realloc( pollfd, new_count * sizeof(*pollfd) )))
{
if (allocated_users)
poll_users = newusers;
else
free( newusers );
obj->select = -1;
return -1;
}
poll_users = newusers;
pollfd = newpoll;
allocated_users = new_count;
}
ret = nb_users++;
}
pollfd[ret].fd = obj->fd;
pollfd[ret].events = 0;
pollfd[ret].revents = 0;
poll_users[ret] = obj;
obj->select = ret;
active_users++;
return ret;
}
/* remove an object from the select list and close its fd */
void remove_select_user( struct object *obj )
{
int user = obj->select;
assert( user >= 0 );
assert( poll_users[user] == obj );
pollfd[user].fd = -1;
pollfd[user].events = 0;
pollfd[user].revents = 0;
poll_users[user] = (struct object *)freelist;
freelist = &poll_users[user];
close( obj->fd );
obj->fd = -1;
obj->select = -1;
active_users--;
}
/* change the fd and events of an object */
void change_select_fd( struct object *obj, int fd, int events )
{
int user = obj->select;
assert( poll_users[user] == obj );
pollfd[user].fd = fd;
pollfd[user].events = events;
obj->fd = fd;
}
/* set the events that select waits for on this fd */
void set_select_events( struct object *obj, int 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;
}
/* add a timeout user */
struct timeout_user *add_timeout_user( struct timeval *when, timeout_callback func, void *private )
{
struct timeout_user *user;
struct timeout_user *pos;
if (!(user = mem_alloc( sizeof(*user) ))) return NULL;
user->when = *when;
user->callback = func;
user->private = private;
/* Now insert it in the linked list */
for (pos = timeout_head; pos; pos = pos->next)
if (!time_before( &pos->when, when )) break;
if (pos) /* insert it before 'pos' */
{
if ((user->prev = pos->prev)) user->prev->next = user;
else timeout_head = user;
user->next = pos;
pos->prev = user;
}
else /* insert it at the tail */
{
user->next = NULL;
if (timeout_tail) timeout_tail->next = user;
else timeout_head = user;
user->prev = timeout_tail;
timeout_tail = user;
}
return user;
}
/* remove a timeout user */
void remove_timeout_user( struct timeout_user *user )
{
if (user->next) user->next->prev = user->prev;
else timeout_tail = user->prev;
if (user->prev) user->prev->next = user->next;
else timeout_head = user->next;
free( user );
}
/* add a timeout in milliseconds to an absolute time */
void add_timeout( struct timeval *when, int timeout )
{
if (timeout)
{
long sec = timeout / 1000;
if ((when->tv_usec += (timeout - 1000*sec) * 1000) >= 1000000)
{
when->tv_usec -= 1000000;
when->tv_sec++;
}
when->tv_sec += sec;
}
}
/* handle the next expired timeout */
static void handle_timeout(void)
{
struct timeout_user *user = timeout_head;
timeout_head = user->next;
if (user->next) user->next->prev = user->prev;
else timeout_tail = user->prev;
user->callback( user->private );
free( user );
}
/* SIGHUP handler */
static void sighup_handler()
{
#ifdef DEBUG_OBJECTS
dump_objects();
#endif
}
/* SIGTERM handler */
static void sigterm_handler()
{
flush_registry();
exit(1);
}
/* SIGINT handler */
static void sigint_handler()
{
kill_all_processes( NULL, 1 );
flush_registry();
exit(1);
}
/* server main loop */
void select_loop(void)
{
int ret;
sigset_t sigset;
struct sigaction action;
/* block the signals we use */
sigemptyset( &sigset );
sigaddset( &sigset, SIGCHLD );
sigaddset( &sigset, SIGHUP );
sigaddset( &sigset, SIGINT );
sigaddset( &sigset, SIGQUIT );
sigaddset( &sigset, SIGTERM );
sigprocmask( SIG_BLOCK, &sigset, NULL );
/* set the handlers */
action.sa_mask = sigset;
action.sa_flags = 0;
action.sa_handler = sigchld_handler;
sigaction( SIGCHLD, &action, NULL );
action.sa_handler = sighup_handler;
sigaction( SIGHUP, &action, NULL );
action.sa_handler = sigint_handler;
sigaction( SIGINT, &action, NULL );
action.sa_handler = sigterm_handler;
sigaction( SIGQUIT, &action, NULL );
sigaction( SIGTERM, &action, NULL );
while (active_users)
{
long diff = -1;
if (timeout_head)
{
struct timeval now;
gettimeofday( &now, NULL );
while (timeout_head)
{
if (!time_before( &now, &timeout_head->when )) handle_timeout();
else
{
diff = (timeout_head->when.tv_sec - now.tv_sec) * 1000
+ (timeout_head->when.tv_usec - now.tv_usec) / 1000;
break;
}
}
if (!active_users) break; /* last user removed by a timeout */
}
sigprocmask( SIG_UNBLOCK, &sigset, NULL );
/* Note: we assume that the signal handlers do not manipulate the pollfd array
* or the timeout list, otherwise there is a race here.
*/
ret = poll( pollfd, nb_users, diff );
sigprocmask( SIG_BLOCK, &sigset, NULL );
if (ret > 0)
{
int i;
for (i = 0; i < nb_users; i++)
{
if (pollfd[i].revents)
{
fd_poll_event( poll_users[i], pollfd[i].revents );
if (!--ret) break;
}
}
}
}
}

26
server/serial.c
View File

@ -52,6 +52,7 @@
#include "async.h"
static void serial_dump( struct object *obj, int verbose );
static struct fd *serial_get_fd( struct object *obj );
static void serial_destroy(struct object *obj);
static int serial_get_poll_events( struct fd *fd );
@ -63,6 +64,7 @@ static void serial_queue_async(struct fd *fd, void *ptr, unsigned int status, in
struct serial
{
struct object obj;
struct fd *fd;
unsigned int access;
unsigned int attrib;
@ -93,7 +95,7 @@ static const struct object_ops serial_ops =
default_fd_remove_queue, /* remove_queue */
default_fd_signaled, /* signaled */
no_satisfied, /* satisfied */
default_get_fd, /* get_fd */
serial_get_fd, /* get_fd */
serial_destroy /* destroy */
};
@ -148,7 +150,7 @@ static struct serial *create_serial( const char *nameptr, size_t len, unsigned i
if(0>fcntl(fd, F_SETFL, 0))
perror("fcntl");
if ((serial = alloc_fd_object( &serial_ops, &serial_fd_ops, fd )))
if ((serial = alloc_object( &serial_ops )))
{
serial->attrib = attributes;
serial->access = access;
@ -162,10 +164,21 @@ static struct serial *create_serial( const char *nameptr, size_t len, unsigned i
init_async_queue(&serial->read_q);
init_async_queue(&serial->write_q);
init_async_queue(&serial->wait_q);
if (!(serial->fd = alloc_fd( &serial_fd_ops, fd, &serial->obj )))
{
release_object( serial );
return NULL;
}
}
return serial;
}
static struct fd *serial_get_fd( struct object *obj )
{
struct serial *serial = (struct serial *)obj;
return (struct fd *)grab_object( serial->fd );
}
static void serial_destroy( struct object *obj)
{
struct serial *serial = (struct serial *)obj;
@ -173,16 +186,17 @@ static void serial_destroy( struct object *obj)
destroy_async_queue(&serial->read_q);
destroy_async_queue(&serial->write_q);
destroy_async_queue(&serial->wait_q);
if (serial->fd) release_object( serial->fd );
}
static void serial_dump( struct object *obj, int verbose )
{
struct serial *serial = (struct serial *)obj;
assert( obj->ops == &serial_ops );
fprintf( stderr, "Port fd=%p mask=%x\n", serial->obj.fd_obj, serial->eventmask );
fprintf( stderr, "Port fd=%p mask=%x\n", serial->fd, serial->eventmask );
}
struct serial *get_serial_obj( struct process *process, obj_handle_t handle, unsigned int access )
static struct serial *get_serial_obj( struct process *process, obj_handle_t handle, unsigned int access )
{
return (struct serial *)get_handle_obj( process, handle, access, &serial_ops );
}
@ -249,7 +263,7 @@ static void serial_poll_event(struct fd *fd, int event)
if(IS_READY(serial->wait_q) && (POLLIN & event) )
async_notify(serial->wait_q.head,STATUS_ALERTED);
set_select_events( &serial->obj, serial_get_poll_events(fd) );
set_fd_events( fd, serial_get_poll_events(fd) );
}
static void serial_queue_async(struct fd *fd, void *ptr, unsigned int status, int type, int count)
@ -310,7 +324,7 @@ static void serial_queue_async(struct fd *fd, void *ptr, unsigned int status, in
else if ( async ) destroy_async ( async );
else set_error ( STATUS_INVALID_PARAMETER );
set_select_events ( &serial->obj, serial_get_poll_events( fd ));
set_fd_events ( fd, serial_get_poll_events( fd ));
}
static int serial_flush( struct fd *fd )

24
server/smb.c
View File

@ -52,6 +52,7 @@
#include "request.h"
static void smb_dump( struct object *obj, int verbose );
static struct fd *smb_get_fd( struct object *obj );
static void smb_destroy(struct object *obj);
static int smb_get_info( struct fd *fd, struct get_file_info_reply *reply, int *flags );
@ -60,6 +61,7 @@ static int smb_get_poll_events( struct fd *fd );
struct smb
{
struct object obj;
struct fd *fd;
unsigned int tree_id;
unsigned int user_id;
unsigned int dialect;
@ -75,7 +77,7 @@ static const struct object_ops smb_ops =
default_fd_remove_queue, /* remove_queue */
default_fd_signaled, /* signaled */
no_satisfied, /* satisfied */
default_get_fd, /* get_fd */
smb_get_fd, /* get_fd */
smb_destroy /* destroy */
};
@ -88,20 +90,27 @@ static const struct fd_ops smb_fd_ops =
no_queue_async /* queue_async */
};
static struct fd *smb_get_fd( struct object *obj )
{
struct smb *smb = (struct smb *)obj;
return (struct fd *)grab_object( smb->fd );
}
static void smb_destroy( struct object *obj)
{
/* struct smb *smb = (struct smb *)obj; */
struct smb *smb = (struct smb *)obj;
assert( obj->ops == &smb_ops );
if (smb->fd) release_object( smb->fd );
}
static void smb_dump( struct object *obj, int verbose )
{
struct smb *smb = (struct smb *)obj;
assert( obj->ops == &smb_ops );
fprintf( stderr, "Smb file fd=%p\n", smb->obj.fd_obj );
fprintf( stderr, "Smb file fd=%p\n", smb->fd );
}
struct smb *get_smb_obj( struct process *process, obj_handle_t handle, unsigned int access )
static struct smb *get_smb_obj( struct process *process, obj_handle_t handle, unsigned int access )
{
return (struct smb *)get_handle_obj( process, handle, access, &smb_ops );
}
@ -158,7 +167,7 @@ DECL_HANDLER(create_smb)
return;
}
smb = alloc_fd_object( &smb_ops, &smb_fd_ops, fd );
smb = alloc_object( &smb_ops );
if (smb)
{
smb->tree_id = req->tree_id;
@ -166,6 +175,11 @@ DECL_HANDLER(create_smb)
smb->dialect = req->dialect;
smb->file_id = req->file_id;
smb->offset = 0;
if (!(smb->fd = alloc_fd( &smb_fd_ops, fd, &smb->obj )))
{
release_object( smb );
return;
}
reply->handle = alloc_handle( current->process, smb, GENERIC_READ, 0);
release_object( smb );
}

2
server/snapshot.c
View File

@ -79,7 +79,7 @@ static struct snapshot *create_snapshot( process_id_t pid, int flags )
else if (!(process = get_process_from_id( pid ))) return NULL;
}
if (!(snapshot = alloc_object( &snapshot_ops, -1 )))
if (!(snapshot = alloc_object( &snapshot_ops )))
{
if (process) release_object( process );
return NULL;

56
server/sock.c
View File

@ -65,11 +65,13 @@
struct sock
{
struct object obj; /* object header */
struct fd *fd; /* socket file descriptor */
unsigned int state; /* status bits */
unsigned int mask; /* event mask */
unsigned int hmask; /* held (blocked) events */
unsigned int pmask; /* pending events */
unsigned int flags; /* socket flags */
int polling; /* is socket being polled? */
unsigned short type; /* socket type */
unsigned short family; /* socket family */
struct event *event; /* event object */
@ -84,6 +86,7 @@ struct sock
static void sock_dump( struct object *obj, int verbose );
static int sock_signaled( struct object *obj, struct thread *thread );
static struct fd *sock_get_fd( struct object *obj );
static void sock_destroy( struct object *obj );
static int sock_get_poll_events( struct fd *fd );
@ -102,7 +105,7 @@ static const struct object_ops sock_ops =
remove_queue, /* remove_queue */
sock_signaled, /* signaled */
no_satisfied, /* satisfied */
default_get_fd, /* get_fd */
sock_get_fd, /* get_fd */
sock_destroy /* destroy */
};
@ -193,19 +196,20 @@ void sock_init(void)
static int sock_reselect( struct sock *sock )
{
int ev = sock_get_poll_events( sock->obj.fd_obj );
int ev = sock_get_poll_events( sock->fd );
if (debug_level)
fprintf(stderr,"sock_reselect(%p): new mask %x\n", sock, ev);
if (sock->obj.select == -1) {
if (!sock->polling) /* FIXME: should find a better way to do this */
{
/* previously unconnected socket, is this reselect supposed to connect it? */
if (!(sock->state & ~FD_WINE_NONBLOCKING)) return 0;
/* ok, it is, attach it to the wineserver's main poll loop */
add_select_user( &sock->obj );
sock->polling = 1;
}
/* update condition mask */
set_select_events( &sock->obj, ev );
set_fd_events( sock->fd, ev );
return ev;
}
@ -213,11 +217,11 @@ static int sock_reselect( struct sock *sock )
This function is used to signal pending events nevertheless */
static void sock_try_event ( struct sock *sock, int event )
{
event = check_fd_events( sock->obj.fd_obj, event );
event = check_fd_events( sock->fd, event );
if (event)
{
if ( debug_level ) fprintf ( stderr, "sock_try_event: %x\n", event );
sock_poll_event ( sock->obj.fd_obj, event );
sock_poll_event ( sock->fd, event );
}
}
@ -413,7 +417,7 @@ static void sock_poll_event( struct fd *fd, int event )
{
if ( debug_level )
fprintf ( stderr, "removing socket %p from select loop\n", sock );
set_select_events( &sock->obj, -1 );
set_fd_events( sock->fd, -1 );
}
else
sock_reselect( sock );
@ -431,7 +435,7 @@ static void sock_dump( struct object *obj, int verbose )
struct sock *sock = (struct sock *)obj;
assert( obj->ops == &sock_ops );
printf( "Socket fd=%p, state=%x, mask=%x, pending=%x, held=%x\n",
sock->obj.fd_obj, sock->state,
sock->fd, sock->state,
sock->mask, sock->pmask, sock->hmask );
}
@ -440,7 +444,7 @@ static int sock_signaled( struct object *obj, struct thread *thread )
struct sock *sock = (struct sock *)obj;
assert( obj->ops == &sock_ops );
return check_fd_events( sock->obj.fd_obj, sock_get_poll_events( sock->obj.fd_obj ) ) != 0;
return check_fd_events( sock->fd, sock_get_poll_events( sock->fd ) ) != 0;
}
static int sock_get_poll_events( struct fd *fd )
@ -555,6 +559,12 @@ static void sock_queue_async(struct fd *fd, void *ptr, unsigned int status, int
if ( pollev ) sock_try_event ( sock, pollev );
}
static struct fd *sock_get_fd( struct object *obj )
{
struct sock *sock = (struct sock *)obj;
return (struct fd *)grab_object( sock->fd );
}
static void sock_destroy( struct object *obj )
{
struct sock *sock = (struct sock *)obj;
@ -571,6 +581,7 @@ static void sock_destroy( struct object *obj )
destroy_async_queue ( &sock->write_q );
}
if (sock->event) release_object( sock->event );
if (sock->fd) release_object( sock->fd );
}
/* create a new and unconnected socket */
@ -587,12 +598,16 @@ static struct object *create_socket( int family, int type, int protocol, unsigne
return NULL;
}
fcntl(sockfd, F_SETFL, O_NONBLOCK); /* make socket nonblocking */
if (!(sock = alloc_fd_object( &sock_ops, &sock_fd_ops, -1 ))) return NULL;
set_unix_fd( &sock->obj, sockfd );
if (!(sock = alloc_object( &sock_ops )))
{
close( sockfd );
return NULL;
}
sock->state = (type != SOCK_STREAM) ? (FD_READ|FD_WRITE) : 0;
sock->mask = 0;
sock->hmask = 0;
sock->pmask = 0;
sock->polling = 0;
sock->flags = flags;
sock->type = type;
sock->family = family;
@ -601,6 +616,11 @@ static struct object *create_socket( int family, int type, int protocol, unsigne
sock->message = 0;
sock->wparam = 0;
sock->deferred = NULL;
if (!(sock->fd = alloc_fd( &sock_fd_ops, sockfd, &sock->obj )))
{
release_object( sock );
return NULL;
}
if (sock->flags & WSA_FLAG_OVERLAPPED)
{
init_async_queue (&sock->read_q);
@ -635,14 +655,15 @@ static struct sock *accept_socket( obj_handle_t handle )
* return.
*/
slen = sizeof(saddr);
acceptfd = accept( get_unix_fd(sock->obj.fd_obj), &saddr, &slen);
acceptfd = accept( get_unix_fd(sock->fd), &saddr, &slen);
if (acceptfd==-1) {
sock_set_error();
release_object( sock );
return NULL;
}
if (!(acceptsock = alloc_fd_object( &sock_ops, &sock_fd_ops, acceptfd )))
if (!(acceptsock = alloc_object( &sock_ops )))
{
close( acceptfd );
release_object( sock );
return NULL;
}
@ -655,6 +676,7 @@ static struct sock *accept_socket( obj_handle_t handle )
acceptsock->mask = sock->mask;
acceptsock->hmask = 0;
acceptsock->pmask = 0;
acceptsock->polling = 0;
acceptsock->type = sock->type;
acceptsock->family = sock->family;
acceptsock->event = NULL;
@ -664,6 +686,12 @@ static struct sock *accept_socket( obj_handle_t handle )
if (sock->event) acceptsock->event = (struct event *)grab_object( sock->event );
acceptsock->flags = sock->flags;
acceptsock->deferred = 0;
if (!(acceptsock->fd = alloc_fd( &sock_fd_ops, acceptfd, &acceptsock->obj )))
{
release_object( acceptsock );
release_object( sock );
return NULL;
}
if ( acceptsock->flags & WSA_FLAG_OVERLAPPED )
{
init_async_queue ( &acceptsock->read_q );

38
server/thread.c
View File

@ -127,8 +127,9 @@ inline static void init_thread_structure( struct thread *thread )
thread->req_toread = 0;
thread->reply_data = NULL;
thread->reply_towrite = 0;
thread->reply_fd = -1;
thread->wait_fd = -1;
thread->request_fd = NULL;
thread->reply_fd = NULL;
thread->wait_fd = NULL;
thread->state = RUNNING;
thread->attached = 0;
thread->exit_code = 0;
@ -149,12 +150,11 @@ struct thread *create_thread( int fd, struct process *process )
{
struct thread *thread;
if (!(thread = alloc_fd_object( &thread_ops, &thread_fd_ops, fd ))) return NULL;
if (!(thread = alloc_object( &thread_ops ))) return NULL;
init_thread_structure( thread );
thread->process = (struct process *)grab_object( process );
thread->request_fd = fd;
if (!current) current = thread;
if (!booting_thread) /* first thread ever */
@ -171,8 +171,13 @@ struct thread *create_thread( int fd, struct process *process )
release_object( thread );
return NULL;
}
if (!(thread->request_fd = alloc_fd( &thread_fd_ops, fd, &thread->obj )))
{
release_object( thread );
return NULL;
}
set_select_events( &thread->obj, POLLIN ); /* start listening to events */
set_fd_events( thread->request_fd, POLLIN ); /* start listening to events */
add_process_thread( thread->process, thread );
return thread;
}
@ -198,9 +203,9 @@ static void cleanup_thread( struct thread *thread )
while ((apc = thread_dequeue_apc( thread, 0 ))) free( apc );
if (thread->req_data) free( thread->req_data );
if (thread->reply_data) free( thread->reply_data );
if (thread->request_fd != -1) close( thread->request_fd );
if (thread->reply_fd != -1) close( thread->reply_fd );
if (thread->wait_fd != -1) close( thread->wait_fd );
if (thread->request_fd) release_object( thread->request_fd );
if (thread->reply_fd) release_object( thread->reply_fd );
if (thread->wait_fd) release_object( thread->wait_fd );
if (thread->hooks) release_object( thread->hooks );
free_msg_queue( thread );
destroy_thread_windows( thread );
@ -214,9 +219,9 @@ static void cleanup_thread( struct thread *thread )
}
thread->req_data = NULL;
thread->reply_data = NULL;
thread->request_fd = -1;
thread->reply_fd = -1;
thread->wait_fd = -1;
thread->request_fd = NULL;
thread->reply_fd = NULL;
thread->wait_fd = NULL;
thread->hooks = NULL;
if (thread == booting_thread) /* killing booting thread */
@ -449,7 +454,8 @@ static int send_thread_wakeup( struct thread *thread, void *cookie, int signaled
reply.cookie = cookie;
reply.signaled = signaled;
if ((ret = write( thread->wait_fd, &reply, sizeof(reply) )) == sizeof(reply)) return 0;
if ((ret = write( get_unix_fd( thread->wait_fd ), &reply, sizeof(reply) )) == sizeof(reply))
return 0;
if (ret >= 0)
fatal_protocol_error( thread, "partial wakeup write %d\n", ret );
else if (errno == EPIPE)
@ -738,9 +744,6 @@ void kill_thread( struct thread *thread, int violent_death )
remove_process_thread( thread->process, thread );
wake_up( &thread->obj, 0 );
detach_thread( thread, violent_death ? SIGTERM : 0 );
if (thread->request_fd == thread->obj.fd) thread->request_fd = -1;
if (thread->reply_fd == thread->obj.fd) thread->reply_fd = -1;
remove_select_user( &thread->obj );
cleanup_thread( thread );
release_object( thread );
}
@ -828,11 +831,12 @@ DECL_HANDLER(init_thread)
fatal_protocol_error( current, "bad wait fd\n" );
goto error;
}
current->reply_fd = alloc_fd( &thread_fd_ops, reply_fd, &current->obj );
current->wait_fd = alloc_fd( &thread_fd_ops, wait_fd, &current->obj );
if (!current->reply_fd || !current->wait_fd) return;
current->unix_pid = req->unix_pid;
current->teb = req->teb;
current->reply_fd = reply_fd;
current->wait_fd = wait_fd;
if (current->suspend + current->process->suspend > 0) stop_thread( current );
if (current->process->running_threads > 1)

6
server/thread.h
View File

@ -81,9 +81,9 @@ struct thread
void *reply_data; /* variable-size data for reply */
unsigned int reply_size; /* size of reply data */
unsigned int reply_towrite; /* amount of data still to write in reply */
int request_fd; /* fd for receiving client requests */
int reply_fd; /* fd to send a reply to a client */
int wait_fd; /* fd to use to wake a sleeping client */
struct fd *request_fd; /* fd for receiving client requests */
struct fd *reply_fd; /* fd to send a reply to a client */
struct fd *wait_fd; /* fd to use to wake a sleeping client */
enum run_state state; /* running state */
int attached; /* is thread attached with ptrace? */
int exit_code; /* thread exit code */

2
server/timer.c
View File

@ -28,6 +28,8 @@
#include <sys/types.h>
#include "windef.h"
#include "file.h"
#include "handle.h"
#include "request.h"