minix/lib/posix/_sigprocmask.c

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2005-04-21 16:53:53 +02:00
#include <lib.h>
#define sigprocmask _sigprocmask
#include <signal.h>
PUBLIC int sigprocmask(how, set, oset)
int how;
_CONST sigset_t *set;
sigset_t *oset;
{
message m;
if (set == (sigset_t *) NULL) {
m.m2_i1 = SIG_INQUIRE;
m.m2_l1 = 0;
} else {
m.m2_i1 = how;
m.m2_l1 = (long) *set;
}
if (_syscall(MM, SIGPROCMASK, &m) < 0) return(-1);
if (oset != (sigset_t *) NULL) *oset = (sigset_t) (m.m2_l1);
return(m.m_type);
}