minix/lib/libc/sys/sigaction.c

   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
  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