From: Richard M. Stallman <rms@gnu.org>
Date: Sun, 30 May 1993 18:34:54 +0000 (+0000)
Subject: (wait_for_termination): Add POSIX_SIGNALS alternative.
X-Git-Tag: archive/raspbian/1%29.2+1-2+rpi1^2~5^2~95759
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/www.github.com/%22bookmarks:///%22http:/www.example.com/cgi/%22https:/www.github.com/%22bookmarks:/?a=commitdiff_plain;h=9ab714c7b06a04e38d5d26b3beef45f138365b40;p=emacs.git

(wait_for_termination): Add POSIX_SIGNALS alternative.
---

diff --git a/src/sysdep.c b/src/sysdep.c
index c067ffa499c..167b9c398a9 100644
--- a/src/sysdep.c
+++ b/src/sysdep.c
@@ -339,6 +339,15 @@ wait_for_termination (pid)
 	break;
       wait (0);
 #else /* neither BSD nor UNIPLUS nor LINUX: random sysV */
+#ifdef POSIX_SIGNALS	/* would this work for LINUX as well? */
+      sigblock (sigmask (SIGCHLD));
+      if (0 > kill (pid, 0))
+	{
+	  sigunblock (sigmask (SIGCHLD));
+	  break;
+	}
+      sigpause (sigmask (SIGCHLD));
+#else /* not POSIX_SIGNALS */
 #ifdef HAVE_SYSV_SIGPAUSE
       sighold (SIGCHLD);
       if (0 > kill (pid, 0))
@@ -355,6 +364,7 @@ wait_for_termination (pid)
 	 we lose just one second.  */
       sleep (1);
 #endif /* not HAVE_SYSV_SIGPAUSE */
+#endif /* not POSIX_SIGNALS */
 #endif /* not UNIPLUS */
 #endif /* not BSD, and not HPUX version >= 6 */
 #endif /* not VMS */