1 /* Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 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. 8 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. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, write to the Free 16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 17 02111-1307 USA. */ 18 19 /* Modified for newlib by Jeff Johnston, May 30, 2002 */ 20 21 #include <errno.h> 22 #include <signal.h> 23 #include <unistd.h> 24 #include <string.h> 25 26 #include <machine/syscall.h> 27 28 #define __NR___rt_sigqueueinfo __NR_rt_sigqueueinfo 29 30 extern uid_t __getuid(); 31 extern pid_t __getpid(); 32 33 static _syscall3(int,__rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,info) 34 35 /* Return any pending signal or wait for one for the given time. */ 36 int 37 __sigqueue (pid, sig, val) 38 pid_t pid; 39 int sig; 40 const union sigval val; 41 { 42 siginfo_t info; 43 44 /* First, clear the siginfo_t structure, so that we don't pass our 45 stack content to other tasks. */ 46 memset (&info, 0, sizeof (siginfo_t)); 47 /* We must pass the information about the data in a siginfo_t value. */ 48 info.si_signo = sig; 49 info.si_code = SI_QUEUE; 50 info.si_pid = __getpid (); 51 info.si_uid = __getuid (); 52 info.si_value = val; 53 54 return __rt_sigqueueinfo(pid, sig, &info); 55 } 56 weak_alias (__sigqueue, sigqueue) 57