lib/libc/sys-minix/sigprocmask.c

   1 #include <sys/cdefs.h>
   2 #include <lib.h>
   3 #include "namespace.h"
   4
   5 #include <signal.h>
   6
   7 int sigprocmask(how, set, oset)
   8 int how;
   9 const sigset_t *set;
  10 sigset_t *oset;
  11 {
  12   message m;
  13
  14   if (set == (sigset_t *) NULL) {
  15         m.m2_i1 = SIG_INQUIRE;
  16         m.m2_l1 = 0;
  17   } else {
  18         m.m2_i1 = how;
  19         m.m2_l1 = (long) *set;
  20   }
  21   if (_syscall(PM_PROC_NR, SIGPROCMASK, &m) < 0) return(-1);
  22   if (oset != (sigset_t *) NULL) *oset = (sigset_t) (m.m2_l1);
  23   return(m.m_type);
  24 }