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
|
/* Copyright (C) 2003, 2007, 2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
The GNU C 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.
The GNU C 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 the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <errno.h>
#include <stdlib.h>
#include <time.h>
#include <sysdep.h>
#include <kernel-features.h>
#include "kernel-posix-timers.h"
int
timer_delete (timer_t timerid)
{
struct timer *kt = __kfreebsd_timer_id2ptr (timerid);
if (! kt)
return -1;
/* Delete the kernel timer object. */
int res = INLINE_SYSCALL (ktimer_delete, 1, kt->ktimerid);
if (res == 0)
{
if (kt->sigev_notify == SIGEV_THREAD)
{
/* Remove the timer from the list. */
pthread_mutex_lock (&__active_timer_sigev_thread_lock);
if (__active_timer_sigev_thread == kt)
__active_timer_sigev_thread = kt->next;
else
{
struct timer *prevp = __active_timer_sigev_thread;
while (prevp->next != NULL)
if (prevp->next == kt)
{
prevp->next = kt->next;
break;
}
else
prevp = prevp->next;
}
pthread_mutex_unlock (&__active_timer_sigev_thread_lock);
}
/* Free the memory. */
(void) __kfreebsd_timer_free (kt);
return 0;
}
/* The kernel timer is not known or something else bad happened.
Return the error. */
return -1;
}
|
