xref: /minix3/minix/lib/libc/sys/sigaction.c (revision 433d6423c39e34ec4b79c950597bb2d236f886be)
1 #include <sys/cdefs.h>
2 #include <lib.h>
3 #include "namespace.h"
4 
5 #include <string.h>
6 #include <signal.h>
7 
8 int __sigreturn(void);
9 
sigaction(int sig,const struct sigaction * act,struct sigaction * oact)10 int sigaction(int sig, const struct sigaction *act, struct sigaction *oact)
11 {
12   message m;
13 
14   memset(&m, 0, sizeof(m));
15   m.m_lc_pm_sig.nr = sig;
16   m.m_lc_pm_sig.act = (vir_bytes)act;
17   m.m_lc_pm_sig.oact = (vir_bytes)oact;
18   m.m_lc_pm_sig.ret = (vir_bytes)__sigreturn;
19 
20   return(_syscall(PM_PROC_NR, PM_SIGACTION, &m));
21 }
22 
23 #if defined(__minix) && defined(__weak_alias)
24 __weak_alias(sigaction, __sigaction14)
25 #endif
26