diff options
Diffstat (limited to 'libc/sysdeps/unix/sysv/linux/sigqueue.c')
-rw-r--r-- | libc/sysdeps/unix/sysv/linux/sigqueue.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/libc/sysdeps/unix/sysv/linux/sigqueue.c b/libc/sysdeps/unix/sysv/linux/sigqueue.c new file mode 100644 index 000000000..22a8036b6 --- /dev/null +++ b/libc/sysdeps/unix/sysv/linux/sigqueue.c @@ -0,0 +1,52 @@ +/* Copyright (C) 1997, 1998, 2000, 2003, 2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <signal.h> +#include <unistd.h> +#include <string.h> + +#include <sysdep.h> +#include <sys/syscall.h> + +#ifdef __NR_rt_sigqueueinfo +/* Return any pending signal or wait for one for the given time. */ +int +__sigqueue (pid, sig, val) + pid_t pid; + int sig; + const union sigval val; +{ + siginfo_t info; + + /* First, clear the siginfo_t structure, so that we don't pass our + stack content to other tasks. */ + memset (&info, 0, sizeof (siginfo_t)); + /* We must pass the information about the data in a siginfo_t value. */ + info.si_signo = sig; + info.si_code = SI_QUEUE; + info.si_pid = __getpid (); + info.si_uid = __getuid (); + info.si_value = val; + + return INLINE_SYSCALL (rt_sigqueueinfo, 3, pid, sig, __ptrvalue (&info)); +} +weak_alias (__sigqueue, sigqueue) +#else +# include <signal/sigqueue.c> +#endif |