1 /* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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
7 License as published by the Free Software Foundation; either
8 version 2.1 of the 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; if not, see
17 <http://www.gnu.org/licenses/>. */
23 #include <bits/kernel-features.h>
30 #if (defined(__ASSUME_TGKILL) && __ASSUME_TGKILL) || defined __NR_tgkill
31 /* raise is an async-safe function. It could be called while the
32 fork function temporarily invalidated the PID field. Adjust for
34 pid_t pid = THREAD_GETMEM (THREAD_SELF, pid);
35 if (__builtin_expect (pid < 0, 0))
39 #if defined(__ASSUME_TGKILL) && __ASSUME_TGKILL
40 return INLINE_SYSCALL (tgkill, 3, pid, THREAD_GETMEM (THREAD_SELF, tid),
44 int res = INLINE_SYSCALL (tgkill, 3, pid, THREAD_GETMEM (THREAD_SELF, tid),
46 if (res != -1 || errno != ENOSYS)
49 return INLINE_SYSCALL (tkill, 2, THREAD_GETMEM (THREAD_SELF, tid), sig);