/* 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 <sys/syscall.h> libc_hidden_proto(getpid) libc_hidden_proto(getuid) libc_hidden_proto(memset) #ifdef __NR_rt_sigqueueinfo # define __NR___libc_rt_sigqueueinfo __NR_rt_sigqueueinfo static inline _syscall3(int, __libc_rt_sigqueueinfo, pid_t, pid, int, sig, void*, value); /* Return any pending signal or wait for one for the given time. */ int sigqueue (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 __libc_rt_sigqueueinfo(pid, sig, __ptrvalue (&info)); } #endif