minix/lib/nbsd_libc/sys-minix/sigaction.c

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#include <sys/cdefs.h>
#include <lib.h>
#include "namespace.h"
#include <signal.h>
int __sigreturn(void);
int sigaction(sig, act, oact)
int sig;
const struct sigaction *act;
struct sigaction *oact;
{
message m;
m.m1_i2 = sig;
/* XXX - yet more type puns because message struct is short of types. */
m.m1_p1 = (char *) act;
m.m1_p2 = (char *) oact;
m.m1_p3 = (char *) __sigreturn;
return(_syscall(PM_PROC_NR, SIGACTION, &m));
}