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