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git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/unix/sysv/linux/sigtimedwait.c
1 /* Copyright (C) 1997-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
21 #include <sysdep-cancel.h>
24 __sigtimedwait (const sigset_t
*set
, siginfo_t
*info
,
25 const struct timespec
*timeout
)
27 /* XXX The size argument hopefully will have to be changed to the
28 real size of the user-level sigset_t. */
29 int result
= SYSCALL_CANCEL (rt_sigtimedwait
, set
, info
, timeout
, _NSIG
/ 8);
31 /* The kernel generates a SI_TKILL code in si_code in case tkill is
32 used. tkill is transparently used in raise(). Since having
33 SI_TKILL as a code is useful in general we fold the results
35 if (result
!= -1 && info
!= NULL
&& info
->si_code
== SI_TKILL
)
36 info
->si_code
= SI_USER
;
40 libc_hidden_def (__sigtimedwait
)
41 weak_alias (__sigtimedwait
, sigtimedwait
)