blob: f4210148cde1b35041c99e6de2495d1c4d3359a5 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <assert.h>
#include <errno.h>
#include <pthread.h>
#include <rtems/system.h>
#include <rtems/score/coremutex.h>
#include <rtems/score/watchdog.h>
#if defined(RTEMS_MULTIPROCESSING)
#include <rtems/score/mpci.h>
#endif
#include <rtems/posix/mutex.h>
#include <rtems/posix/priority.h>
#include <rtems/posix/time.h>
/*PAGE
*
* 11.3.2 Initializing and Destroying a Mutex, P1003.1c/Draft 10, p. 87
*/
int pthread_mutex_destroy(
pthread_mutex_t *mutex
)
{
register POSIX_Mutex_Control *the_mutex;
Objects_Locations location;
the_mutex = _POSIX_Mutex_Get( mutex, &location );
switch ( location ) {
case OBJECTS_REMOTE:
#if defined(RTEMS_MULTIPROCESSING)
_Thread_Dispatch();
return POSIX_MP_NOT_IMPLEMENTED();
return EINVAL;
#endif
case OBJECTS_ERROR:
return EINVAL;
case OBJECTS_LOCAL:
/*
* XXX: There is an error for the mutex being locked
* or being in use by a condition variable.
*/
if ( _CORE_mutex_Is_locked( &the_mutex->Mutex ) ) {
_Thread_Enable_dispatch();
return EBUSY;
}
_Objects_Close( &_POSIX_Mutex_Information, &the_mutex->Object );
_CORE_mutex_Flush(
&the_mutex->Mutex,
#if defined(RTEMS_MULTIPROCESSING)
_POSIX_Mutex_MP_Send_object_was_deleted,
#else
NULL,
#endif
EINVAL
);
_POSIX_Mutex_Free( the_mutex );
#if defined(RTEMS_MULTIPROCESSING)
if ( the_mutex->process_shared == PTHREAD_PROCESS_SHARED ) {
_Objects_MP_Close( &_POSIX_Mutex_Information, the_mutex->Object.id );
_POSIX_Mutex_MP_Send_process_packet(
POSIX_MUTEX_MP_ANNOUNCE_DELETE,
the_mutex->Object.id,
0, /* Not used */
0 /* Not used */
);
}
#endif
_Thread_Enable_dispatch();
return 0;
}
return POSIX_BOTTOM_REACHED();
}
|