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Implemented NtSignalAndWaitForSingleObject.

This commit is contained in:
Mike McCormack 2005-04-24 17:35:52 +00:00 committed by Alexandre Julliard
parent 684f111070
commit f92fff66a2
35 changed files with 186 additions and 46 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
dlls/ntdll/ntdll_misc.h
View File

@ -44,7 +44,7 @@ extern void dump_ObjectAttributes (const OBJECT_ATTRIBUTES *ObjectAttributes);
extern void NTDLL_get_server_timeout( abs_time_t *when, const LARGE_INTEGER *timeout );
extern void NTDLL_from_server_timeout( LARGE_INTEGER *timeout, const abs_time_t *when );
extern NTSTATUS NTDLL_wait_for_multiple_objects( UINT count, const HANDLE *handles, UINT flags,
const LARGE_INTEGER *timeout );
const LARGE_INTEGER *timeout, HANDLE signal_object );
/* init routines */
extern BOOL SIGNAL_Init(void);

2
dlls/ntdll/signal_i386.c
View File

@ -1156,7 +1156,7 @@ static HANDLER_DEF(usr1_handler)
init_handler( HANDLER_CONTEXT );
/* wait with 0 timeout, will only return once the thread is no longer suspended */
timeout.QuadPart = 0;
NTDLL_wait_for_multiple_objects( 0, NULL, 0, &timeout );
NTDLL_wait_for_multiple_objects( 0, NULL, 0, &timeout, 0 );
}

33
dlls/ntdll/sync.c
View File

@ -701,7 +701,7 @@ static void call_apcs( BOOL alertable )
* Implementation of NtWaitForMultipleObjects
*/
NTSTATUS NTDLL_wait_for_multiple_objects( UINT count, const HANDLE *handles, UINT flags,
const LARGE_INTEGER *timeout )
const LARGE_INTEGER *timeout, HANDLE signal_object )
{
NTSTATUS ret;
int cookie;
@ -713,6 +713,7 @@ NTSTATUS NTDLL_wait_for_multiple_objects( UINT count, const HANDLE *handles, UIN
{
req->flags = flags;
req->cookie = &cookie;
req->signal = signal_object;
NTDLL_get_server_timeout( &req->timeout, timeout );
wine_server_add_data( req, handles, count * sizeof(HANDLE) );
ret = wine_server_call( req );
@ -722,6 +723,7 @@ NTSTATUS NTDLL_wait_for_multiple_objects( UINT count, const HANDLE *handles, UIN
if (ret != STATUS_USER_APC) break;
call_apcs( (flags & SELECT_ALERTABLE) != 0 );
if (flags & SELECT_ALERTABLE) break;
signal_object = 0; /* don't signal it multiple times */
}
/* A test on Windows 2000 shows that Windows always yields during
@ -748,7 +750,7 @@ NTSTATUS WINAPI NtWaitForMultipleObjects( DWORD count, const HANDLE *handles,
if (wait_all) flags |= SELECT_ALL;
if (alertable) flags |= SELECT_ALERTABLE;
return NTDLL_wait_for_multiple_objects( count, handles, flags, timeout );
return NTDLL_wait_for_multiple_objects( count, handles, flags, timeout, 0 );
}
@ -761,6 +763,20 @@ NTSTATUS WINAPI NtWaitForSingleObject(HANDLE handle, BOOLEAN alertable, const LA
}
/******************************************************************
* NtSignalAndWaitForSingleObject (NTDLL.@)
*/
NTSTATUS WINAPI NtSignalAndWaitForSingleObject( HANDLE hSignalObject, HANDLE hWaitObject,
BOOLEAN alertable, const LARGE_INTEGER *timeout )
{
UINT flags = SELECT_INTERRUPTIBLE;
if (!hSignalObject) return STATUS_INVALID_HANDLE;
if (alertable) flags |= SELECT_ALERTABLE;
return NTDLL_wait_for_multiple_objects( 1, &hWaitObject, flags, timeout, hSignalObject );
}
/******************************************************************
* NtYieldExecution (NTDLL.@)
*/
@ -785,7 +801,7 @@ NTSTATUS WINAPI NtDelayExecution( BOOLEAN alertable, const LARGE_INTEGER *timeou
{
UINT flags = SELECT_INTERRUPTIBLE;
if (alertable) flags |= SELECT_ALERTABLE;
return NTDLL_wait_for_multiple_objects( 0, NULL, flags, timeout );
return NTDLL_wait_for_multiple_objects( 0, NULL, flags, timeout, 0 );
}
if (!timeout) /* sleep forever */
@ -819,14 +835,3 @@ NTSTATUS WINAPI NtDelayExecution( BOOLEAN alertable, const LARGE_INTEGER *timeou
}
return STATUS_SUCCESS;
}
/******************************************************************
* NtSignalAndWaitForSingleObject (NTDLL.@)
*/
NTSTATUS WINAPI NtSignalAndWaitForSingleObject( HANDLE hSignalObject, HANDLE hWaitObject,
BOOLEAN bAlertable, PLARGE_INTEGER Timeout )
{
FIXME("%p %p %d %p\n", hSignalObject, hWaitObject, bAlertable, Timeout);
return STATUS_SUCCESS;
}

3
include/wine/server_protocol.h
View File

@ -603,6 +603,7 @@ struct select_request
struct request_header __header;
int flags;
void* cookie;
obj_handle_t signal;
abs_time_t timeout;
/* VARARG(handles,handles); */
};
@ -3902,6 +3903,6 @@ union generic_reply
struct set_mailslot_info_reply set_mailslot_info_reply;
};
#define SERVER_PROTOCOL_VERSION 170
#define SERVER_PROTOCOL_VERSION 171
#endif /* __WINE_WINE_SERVER_PROTOCOL_H */

2
include/winternl.h
View File

@ -1521,7 +1521,7 @@ NTSTATUS WINAPI NtSetSecurityObject(HANDLE,SECURITY_INFORMATION,PSECURITY_DESCR
NTSTATUS WINAPI NtSetSystemTime(const LARGE_INTEGER*,LARGE_INTEGER*);
NTSTATUS WINAPI NtSetTimer(HANDLE, const LARGE_INTEGER*, PTIMERAPCROUTINE, PVOID, BOOLEAN, ULONG, BOOLEAN*);
NTSTATUS WINAPI NtSetValueKey(HKEY,const UNICODE_STRING *,ULONG,ULONG,const void *,ULONG);
NTSTATUS WINAPI NtSignalAndWaitForSingleObject(HANDLE,HANDLE,BOOLEAN,PLARGE_INTEGER);
NTSTATUS WINAPI NtSignalAndWaitForSingleObject(HANDLE,HANDLE,BOOLEAN,const LARGE_INTEGER*);
NTSTATUS WINAPI NtSuspendThread(HANDLE,PULONG);
NTSTATUS WINAPI NtTerminateProcess(HANDLE,LONG);
NTSTATUS WINAPI NtTerminateThread(HANDLE,LONG);

3
server/atom.c
View File

@ -70,7 +70,8 @@ static const struct object_ops atom_table_ops =
no_add_queue, /* add_queue */
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satified */
NULL, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
atom_table_destroy /* destroy */
};

1
server/change.c
View File

@ -71,6 +71,7 @@ static const struct object_ops change_ops =
remove_queue, /* remove_queue */
change_signaled, /* signaled */
no_satisfied, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
change_destroy /* destroy */
};

3
server/console.c
View File

@ -46,6 +46,7 @@ static const struct object_ops console_input_ops =
NULL, /* remove_queue */
NULL, /* signaled */
no_satisfied, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
console_input_destroy /* destroy */
};
@ -70,6 +71,7 @@ static const struct object_ops console_input_events_ops =
remove_queue, /* remove_queue */
console_input_events_signaled, /* signaled */
no_satisfied, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
console_input_events_destroy /* destroy */
};
@ -105,6 +107,7 @@ static const struct object_ops screen_buffer_ops =
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
screen_buffer_destroy /* destroy */
};

2
server/debugger.c
View File

@ -72,6 +72,7 @@ static const struct object_ops debug_event_ops =
remove_queue, /* remove_queue */
debug_event_signaled, /* signaled */
no_satisfied, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
debug_event_destroy /* destroy */
};
@ -88,6 +89,7 @@ static const struct object_ops debug_ctx_ops =
remove_queue, /* remove_queue */
debug_ctx_signaled, /* signaled */
no_satisfied, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
debug_ctx_destroy /* destroy */
};

16
server/event.c
View File

@ -41,6 +41,7 @@ struct event
static void event_dump( struct object *obj, int verbose );
static int event_signaled( struct object *obj, struct thread *thread );
static int event_satisfied( struct object *obj, struct thread *thread );
static int event_signal( struct object *obj, unsigned int access);
static const struct object_ops event_ops =
{
@ -50,6 +51,7 @@ static const struct object_ops event_ops =
remove_queue, /* remove_queue */
event_signaled, /* signaled */
event_satisfied, /* satisfied */
event_signal, /* signal */
no_get_fd, /* get_fd */
no_destroy /* destroy */
};
@ -123,6 +125,20 @@ static int event_satisfied( struct object *obj, struct thread *thread )
return 0; /* Not abandoned */
}
static int event_signal( struct object *obj, unsigned int access )
{
struct event *event = (struct event *)obj;
assert( obj->ops == &event_ops );
if (!(access & EVENT_MODIFY_STATE))
{
set_error( STATUS_ACCESS_DENIED );
return 0;
}
set_event( event );
return 1;
}
/* create an event */
DECL_HANDLER(create_event)
{

3
server/fd.c
View File

@ -159,6 +159,7 @@ static const struct object_ops fd_ops =
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
fd_destroy /* destroy */
};
@ -188,6 +189,7 @@ static const struct object_ops inode_ops =
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
inode_destroy /* destroy */
};
@ -218,6 +220,7 @@ static const struct object_ops file_lock_ops =
remove_queue, /* remove_queue */
file_lock_signaled, /* signaled */
no_satisfied, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
no_destroy /* destroy */
};

1
server/file.c
View File

@ -83,6 +83,7 @@ static const struct object_ops file_ops =
default_fd_remove_queue, /* remove_queue */
default_fd_signaled, /* signaled */
no_satisfied, /* satisfied */
no_signal, /* signal */
file_get_fd, /* get_fd */
file_destroy /* destroy */
};

11
server/handle.c
View File

@ -106,6 +106,7 @@ static const struct object_ops handle_table_ops =
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
handle_table_destroy /* destroy */
};
@ -385,6 +386,16 @@ struct object *get_handle_obj( struct process *process, obj_handle_t handle,
return grab_object( obj );
}
/* retrieve the access rights of a given handle */
unsigned int get_handle_access( struct process *process, obj_handle_t handle )
{
struct handle_entry *entry;
if (get_magic_handle( handle )) return ~0U; /* magic handles have all access rights */
if (!(entry = get_handle( process, handle ))) return 0;
return entry->access;
}
/* retrieve the cached fd for a given handle */
int get_handle_unix_fd( struct process *process, obj_handle_t handle, unsigned int access )
{

1
server/handle.h
View File

@ -38,6 +38,7 @@ extern obj_handle_t alloc_handle( struct process *process, void *obj,
extern int close_handle( struct process *process, obj_handle_t handle, int *fd );
extern struct object *get_handle_obj( struct process *process, obj_handle_t handle,
unsigned int access, const struct object_ops *ops );
extern unsigned int get_handle_access( struct process *process, obj_handle_t handle );
extern int get_handle_unix_fd( struct process *process, obj_handle_t handle, unsigned int access );
extern int set_handle_info( struct process *process, obj_handle_t handle, int mask, int flags, int *fd );
extern obj_handle_t duplicate_handle( struct process *src, obj_handle_t src_handle, struct process *dst,

1
server/hook.c
View File

@ -77,6 +77,7 @@ static const struct object_ops hook_table_ops =
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
hook_table_destroy /* destroy */
};

2
server/mailslot.c
View File

@ -72,6 +72,7 @@ static const struct object_ops mailslot_ops =
default_fd_remove_queue, /* remove_queue */
default_fd_signaled, /* signaled */
no_satisfied, /* satisfied */
no_signal, /* signal */
mailslot_get_fd, /* get_fd */
mailslot_destroy /* destroy */
};
@ -113,6 +114,7 @@ static const struct object_ops mail_writer_ops =
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satisfied */
no_signal, /* signal */
mail_writer_get_fd, /* get_fd */
mail_writer_destroy /* destroy */
};

1
server/mapping.c
View File

@ -62,6 +62,7 @@ static const struct object_ops mapping_ops =
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satisfied */
no_signal, /* signal */
mapping_get_fd, /* get_fd */
mapping_destroy /* destroy */
};

21
server/mutex.c
View File

@ -44,6 +44,7 @@ static void mutex_dump( struct object *obj, int verbose );
static int mutex_signaled( struct object *obj, struct thread *thread );
static int mutex_satisfied( struct object *obj, struct thread *thread );
static void mutex_destroy( struct object *obj );
static int mutex_signal( struct object *obj, unsigned int access );
static const struct object_ops mutex_ops =
{
@ -53,6 +54,7 @@ static const struct object_ops mutex_ops =
remove_queue, /* remove_queue */
mutex_signaled, /* signaled */
mutex_satisfied, /* satisfied */
mutex_signal, /* signal */
no_get_fd, /* get_fd */
mutex_destroy /* destroy */
};
@ -133,6 +135,25 @@ static int mutex_satisfied( struct object *obj, struct thread *thread )
return 1;
}
static int mutex_signal( struct object *obj, unsigned int access )
{
struct mutex *mutex = (struct mutex *)obj;
assert( obj->ops == &mutex_ops );
if (!(access & SYNCHRONIZE)) /* FIXME: MUTEX_MODIFY_STATE? */
{
set_error( STATUS_ACCESS_DENIED );
return 0;
}
if (!mutex->count || (mutex->owner != current))
{
set_error( STATUS_MUTANT_NOT_OWNED );
return 0;
}
if (!--mutex->count) do_release( mutex );
return 1;
}
static void mutex_destroy( struct object *obj )
{
struct mutex *mutex = (struct mutex *)obj;

3
server/named_pipe.c
View File

@ -106,6 +106,7 @@ static const struct object_ops named_pipe_ops =
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
named_pipe_destroy /* destroy */
};
@ -128,6 +129,7 @@ static const struct object_ops pipe_server_ops =
default_fd_remove_queue, /* remove_queue */
default_fd_signaled, /* signaled */
no_satisfied, /* satisfied */
no_signal, /* signal */
pipe_server_get_fd, /* get_fd */
pipe_server_destroy /* destroy */
};
@ -156,6 +158,7 @@ static const struct object_ops pipe_client_ops =
default_fd_remove_queue, /* remove_queue */
default_fd_signaled, /* signaled */
no_satisfied, /* satisfied */
no_signal, /* signal */
pipe_client_get_fd, /* get_fd */
pipe_client_destroy /* destroy */
};

6
server/object.c
View File

@ -273,6 +273,12 @@ int no_satisfied( struct object *obj, struct thread *thread )
return 0; /* not abandoned */
}
int no_signal( struct object *obj, unsigned int access )
{
set_error( STATUS_OBJECT_TYPE_MISMATCH );
return 0;
}
struct fd *no_get_fd( struct object *obj )
{
set_error( STATUS_OBJECT_TYPE_MISMATCH );

3
server/object.h
View File

@ -59,6 +59,8 @@ struct object_ops
int (*signaled)(struct object *,struct thread *);
/* wait satisfied; return 1 if abandoned */
int (*satisfied)(struct object *,struct thread *);
/* signal an object */
int (*signal)(struct object *, unsigned int);
/* return an fd object that can be used to read/write from the object */
struct fd *(*get_fd)(struct object *);
/* destroy on refcount == 0 */
@ -97,6 +99,7 @@ extern void release_object( void *obj );
extern struct object *find_object( const struct namespace *namespace, const WCHAR *name, size_t len );
extern int no_add_queue( struct object *obj, struct wait_queue_entry *entry );
extern int no_satisfied( struct object *obj, struct thread *thread );
extern int no_signal( struct object *obj, unsigned int access );
extern struct fd *no_get_fd( struct object *obj );
extern void no_destroy( struct object *obj );
#ifdef DEBUG_OBJECTS

2
server/process.c
View File

@ -70,6 +70,7 @@ static const struct object_ops process_ops =
remove_queue, /* remove_queue */
process_signaled, /* signaled */
no_satisfied, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
process_destroy /* destroy */
};
@ -116,6 +117,7 @@ static const struct object_ops startup_info_ops =
remove_queue, /* remove_queue */
startup_info_signaled, /* signaled */
no_satisfied, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
startup_info_destroy /* destroy */
};

1
server/protocol.def
View File

@ -480,6 +480,7 @@ enum apc_type { APC_NONE, APC_USER, APC_TIMER, APC_ASYNC_IO };
@REQ(select)
int flags; /* wait flags (see below) */
void* cookie; /* magic cookie to return to client */
obj_handle_t signal; /* object to signal (0 if none) */
abs_time_t timeout; /* absolute timeout */
VARARG(handles,handles); /* handles to select on */
@END

2
server/queue.c
View File

@ -146,6 +146,7 @@ static const struct object_ops msg_queue_ops =
msg_queue_remove_queue, /* remove_queue */
msg_queue_signaled, /* signaled */
msg_queue_satisfied, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
msg_queue_destroy /* destroy */
};
@ -159,6 +160,7 @@ static const struct object_ops thread_input_ops =
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
thread_input_destroy /* destroy */
};

1
server/registry.c
View File

@ -138,6 +138,7 @@ static const struct object_ops key_ops =
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
key_destroy /* destroy */
};

1
server/request.c
View File

@ -93,6 +93,7 @@ static const struct object_ops master_socket_ops =
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
master_socket_destroy /* destroy */
};

64
server/semaphore.c
View File

@ -41,6 +41,7 @@ struct semaphore
static void semaphore_dump( struct object *obj, int verbose );
static int semaphore_signaled( struct object *obj, struct thread *thread );
static int semaphore_satisfied( struct object *obj, struct thread *thread );
static int semaphore_signal( struct object *obj, unsigned int access );
static const struct object_ops semaphore_ops =
{
@ -50,6 +51,7 @@ static const struct object_ops semaphore_ops =
remove_queue, /* remove_queue */
semaphore_signaled, /* signaled */
semaphore_satisfied, /* satisfied */
semaphore_signal, /* signal */
no_get_fd, /* get_fd */
no_destroy /* destroy */
};
@ -77,32 +79,26 @@ static struct semaphore *create_semaphore( const WCHAR *name, size_t len,
return sem;
}
static unsigned int release_semaphore( obj_handle_t handle, unsigned int count )
static int release_semaphore( struct semaphore *sem, unsigned int count,
unsigned int *prev )
{
struct semaphore *sem;
unsigned int prev = 0;
if ((sem = (struct semaphore *)get_handle_obj( current->process, handle,
SEMAPHORE_MODIFY_STATE, &semaphore_ops )))
if (prev) *prev = sem->count;
if (sem->count + count < sem->count || sem->count + count > sem->max)
{
prev = sem->count;
if (sem->count + count < sem->count || sem->count + count > sem->max)
{
set_error( STATUS_SEMAPHORE_LIMIT_EXCEEDED );
}
else if (sem->count)
{
/* there cannot be any thread to wake up if the count is != 0 */
sem->count += count;
}
else
{
sem->count = count;
wake_up( &sem->obj, count );
}
release_object( sem );
set_error( STATUS_SEMAPHORE_LIMIT_EXCEEDED );
return 0;
}
return prev;
else if (sem->count)
{
/* there cannot be any thread to wake up if the count is != 0 */
sem->count += count;
}
else
{
sem->count = count;
wake_up( &sem->obj, count );
}
return 1;
}
static void semaphore_dump( struct object *obj, int verbose )
@ -130,6 +126,19 @@ static int semaphore_satisfied( struct object *obj, struct thread *thread )
return 0; /* not abandoned */
}
static int semaphore_signal( struct object *obj, unsigned int access )
{
struct semaphore *sem = (struct semaphore *)obj;
assert( obj->ops == &semaphore_ops );
if (!(access & SEMAPHORE_MODIFY_STATE))
{
set_error( STATUS_ACCESS_DENIED );
return 0;
}
return release_semaphore( sem, 1, NULL );
}
/* create a semaphore */
DECL_HANDLER(create_semaphore)
{
@ -154,5 +163,12 @@ DECL_HANDLER(open_semaphore)
/* release a semaphore */
DECL_HANDLER(release_semaphore)
{
reply->prev_count = release_semaphore( req->handle, req->count );
struct semaphore *sem;
if ((sem = (struct semaphore *)get_handle_obj( current->process, req->handle,
SEMAPHORE_MODIFY_STATE, &semaphore_ops )))
{
release_semaphore( sem, req->count, &reply->prev_count );
release_object( sem );
}
}

1
server/serial.c
View File

@ -101,6 +101,7 @@ static const struct object_ops serial_ops =
default_fd_remove_queue, /* remove_queue */
default_fd_signaled, /* signaled */
no_satisfied, /* satisfied */
no_signal, /* signal */
serial_get_fd, /* get_fd */
serial_destroy /* destroy */
};

1
server/signal.c
View File

@ -62,6 +62,7 @@ static const struct object_ops handler_ops =
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
handler_destroy /* destroy */
};

1
server/snapshot.c
View File

@ -61,6 +61,7 @@ static const struct object_ops snapshot_ops =
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
snapshot_destroy /* destroy */
};

1
server/sock.c
View File

@ -107,6 +107,7 @@ static const struct object_ops sock_ops =
remove_queue, /* remove_queue */
sock_signaled, /* signaled */
no_satisfied, /* satisfied */
no_signal, /* signal */
sock_get_fd, /* get_fd */
sock_destroy /* destroy */
};

32
server/thread.c
View File

@ -92,6 +92,7 @@ static const struct object_ops thread_ops =
remove_queue, /* remove_queue */
thread_signaled, /* signaled */
no_satisfied, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
destroy_thread /* destroy */
};
@ -516,9 +517,24 @@ static void thread_timeout( void *ptr )
wake_thread( thread );
}
/* try signaling an event flag, a semaphore or a mutex */
static int signal_object( obj_handle_t handle )
{
struct object *obj;
int ret = 0;
obj = get_handle_obj( current->process, handle, 0, NULL );
if (obj)
{
ret = obj->ops->signal( obj, get_handle_access( current->process, handle ));
release_object( obj );
}
return ret;
}
/* select on a list of handles */
static void select_on( int count, void *cookie, const obj_handle_t *handles,
int flags, const abs_time_t *timeout )
int flags, const abs_time_t *timeout, obj_handle_t signal_obj )
{
int ret, i;
struct object *objects[MAXIMUM_WAIT_OBJECTS];
@ -537,6 +553,18 @@ static void select_on( int count, void *cookie, const obj_handle_t *handles,
if (i < count) goto done;
if (!wait_on( count, objects, flags, timeout )) goto done;
/* signal the object */
if (signal_obj)
{
if (!signal_object( signal_obj ))
{
end_wait( current );
goto done;
}
/* check if we woke ourselves up */
if (!current->wait) goto done;
}
if ((ret = check_wait( current )) != -1)
{
/* condition is already satisfied */
@ -962,7 +990,7 @@ DECL_HANDLER(resume_thread)
DECL_HANDLER(select)
{
int count = get_req_data_size() / sizeof(int);
select_on( count, req->cookie, get_req_data(), req->flags, &req->timeout );
select_on( count, req->cookie, get_req_data(), req->flags, &req->timeout, req->signal );
}
/* queue an APC for a thread */

1
server/timer.c
View File

@ -59,6 +59,7 @@ static const struct object_ops timer_ops =
remove_queue, /* remove_queue */
timer_signaled, /* signaled */
timer_satisfied, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
timer_destroy /* destroy */
};

3
server/token.c
View File

@ -79,7 +79,8 @@ static const struct object_ops token_ops =
no_add_queue, /* add_queue */
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satified */
NULL, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
token_destroy /* destroy */
};

1
server/trace.c
View File

@ -760,6 +760,7 @@ static void dump_select_request( const struct select_request *req )
{
fprintf( stderr, " flags=%d,", req->flags );
fprintf( stderr, " cookie=%p,", req->cookie );
fprintf( stderr, " signal=%p,", req->signal );
fprintf( stderr, " timeout=" );
dump_abs_time( &req->timeout );
fprintf( stderr, "," );