1 /* Copyright (C) 2003, 2007 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public License as
7 published by the Free Software Foundation; either version 2.1 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If
17 not, see <http://www.gnu.org/licenses/>. */
23 #include <bits/kernel-features.h>
24 #include "kernel-posix-timers.h"
27 #ifdef __NR_timer_delete
28 # ifndef __ASSUME_POSIX_TIMERS
29 static int compat_timer_delete (timer_t timerid
);
30 # define timer_delete static compat_timer_delete
31 # include <nptl/sysdeps/pthread/timer_delete.c>
35 # ifdef timer_delete_alias
36 # define timer_delete timer_delete_alias
45 # ifndef __ASSUME_POSIX_TIMERS
46 if (__no_posix_timers
>= 0)
49 struct timer
*kt
= (struct timer
*) timerid
;
51 /* Delete the kernel timer object. */
52 int res
= INLINE_SYSCALL (timer_delete
, 1, kt
->ktimerid
);
56 if (kt
->sigev_notify
== SIGEV_THREAD
)
58 /* Remove the timer from the list. */
59 pthread_mutex_lock (&__active_timer_sigev_thread_lock
);
60 if (__active_timer_sigev_thread
== kt
)
61 __active_timer_sigev_thread
= kt
->next
;
64 struct timer
*prevp
= __active_timer_sigev_thread
;
65 while (prevp
->next
!= NULL
)
66 if (prevp
->next
== kt
)
68 prevp
->next
= kt
->next
;
74 pthread_mutex_unlock (&__active_timer_sigev_thread_lock
);
77 # ifndef __ASSUME_POSIX_TIMERS
78 /* We know the syscall support is available. */
79 __no_posix_timers
= 1;
82 /* Free the memory. */
88 /* The kernel timer is not known or something else bad happened.
90 # ifndef __ASSUME_POSIX_TIMERS
93 __no_posix_timers
= 1;
96 # ifndef __ASSUME_POSIX_TIMERS
99 __no_posix_timers
= -1;
103 # ifndef __ASSUME_POSIX_TIMERS
104 return compat_timer_delete (timerid
);
108 # ifdef timer_delete_alias
109 # define timer_delete timer_delete_alias
111 /* The new system calls are not available. Use the userlevel
113 # include <nptl/sysdeps/pthread/timer_delete.c>