lib/libc/gen/minix/waitpid.c

   1 #include <sys/cdefs.h>
   2 #include <lib.h>
   3 #include "namespace.h"
   4
   5 #include <sys/wait.h>
   6
   7 #ifdef __weak_alias
   8 __weak_alias(waitpid, _waitpid)
   9 #endif
  10
  11 pid_t waitpid(pid, status, options)
  12 pid_t pid;
  13 int *status;
  14 int options;
  15 {
  16   message m;
  17
  18   m.m1_i1 = pid;
  19   m.m1_i2 = options;
  20   if (_syscall(PM_PROC_NR, WAITPID, &m) < 0) return(-1);
  21   if (status != 0) *status = m.m2_i1;
  22   return m.m_type;
  23 }