seq_nameok.c: Move interface to own file.

[nmh] / sbr / pidwait.c

diff --git a/sbr/pidwait.c b/sbr/pidwait.c
index ef42e1aa3d881523013fcc5d3776cbcb9cdb516e..8ccc6891eff97c824a71e5e93b87e474363910a1 100644 (file)
--- a/sbr/pidwait.c
+++ b/sbr/pidwait.c
@@ -1,20 +1,12 @@
-
-/*
- * pidwait.c -- wait for child to exit
+/* pidwait.c -- wait for child to exit
  *
  * This code is Copyright (c) 2002, by the authors of nmh.  See the
  * COPYRIGHT file in the root directory of the nmh distribution for
  * complete copyright information.
  */
 
-#include <h/mh.h>
-#include <h/signals.h>
-#include <errno.h>
-#include <signal.h>
-
-#ifdef HAVE_SYS_WAIT_H
-# include <sys/wait.h>
-#endif
+#include "h/mh.h"
+#include "h/signals.h"
 
 int
 pidwait (pid_t id, int sigsok)
@@ -22,11 +14,7 @@ pidwait (pid_t id, int sigsok)
     pid_t pid;
     SIGNAL_HANDLER istat = NULL, qstat = NULL;
 
-#ifdef HAVE_UNION_WAIT
-    union wait status;
-#else
     int status;
-#endif
 
     if (sigsok == -1) {
        /* ignore a couple of signals */
@@ -34,13 +22,8 @@ pidwait (pid_t id, int sigsok)
        qstat = SIGNAL (SIGQUIT, SIG_IGN);
     }
 
-#ifdef HAVE_WAITPID
     while ((pid = waitpid(id, &status, 0)) == -1 && errno == EINTR)
        ;
-#else
-    while ((pid = wait(&status)) != -1 && pid != id)
-       continue;
-#endif
 
     if (sigsok == -1) {
        /* reset the signal handlers */
@@ -48,9 +31,5 @@ pidwait (pid_t id, int sigsok)
        SIGNAL (SIGQUIT, qstat);
     }
 
-#ifdef HAVE_UNION_WAIT
-    return (pid == -1 ? -1 : status.w_status);
-#else
-    return (pid == -1 ? -1 : status);
-#endif
+    return pid == -1 ? -1 : status;
 }