xref: /minix3/minix/lib/libc/sys/sigaction.c (revision 433d6423c39e34ec4b79c950597bb2d236f886be)
1*433d6423SLionel Sambuc #include <sys/cdefs.h>
2*433d6423SLionel Sambuc #include <lib.h>
3*433d6423SLionel Sambuc #include "namespace.h"
4*433d6423SLionel Sambuc 
5*433d6423SLionel Sambuc #include <string.h>
6*433d6423SLionel Sambuc #include <signal.h>
7*433d6423SLionel Sambuc 
8*433d6423SLionel Sambuc int __sigreturn(void);
9*433d6423SLionel Sambuc 
sigaction(int sig,const struct sigaction * act,struct sigaction * oact)10*433d6423SLionel Sambuc int sigaction(int sig, const struct sigaction *act, struct sigaction *oact)
11*433d6423SLionel Sambuc {
12*433d6423SLionel Sambuc   message m;
13*433d6423SLionel Sambuc 
14*433d6423SLionel Sambuc   memset(&m, 0, sizeof(m));
15*433d6423SLionel Sambuc   m.m_lc_pm_sig.nr = sig;
16*433d6423SLionel Sambuc   m.m_lc_pm_sig.act = (vir_bytes)act;
17*433d6423SLionel Sambuc   m.m_lc_pm_sig.oact = (vir_bytes)oact;
18*433d6423SLionel Sambuc   m.m_lc_pm_sig.ret = (vir_bytes)__sigreturn;
19*433d6423SLionel Sambuc 
20*433d6423SLionel Sambuc   return(_syscall(PM_PROC_NR, PM_SIGACTION, &m));
21*433d6423SLionel Sambuc }
22*433d6423SLionel Sambuc 
23*433d6423SLionel Sambuc #if defined(__minix) && defined(__weak_alias)
24*433d6423SLionel Sambuc __weak_alias(sigaction, __sigaction14)
25*433d6423SLionel Sambuc #endif
26