From: Bruno Haible <bruno@clisp.org>
Date: Sun, 22 Jun 2008 19:07:54 +0000 (+0200)
Subject: Update a comment.
X-Git-Tag: v0.1~7239
X-Git-Url: http://erislabs.org.uk/gitweb/?a=commitdiff_plain;h=69b9e4dff2b8c7979fac3be64b9b69c85897b301;p=gnulib.git

Update a comment.
---

diff --git a/ChangeLog b/ChangeLog
index dcb8f5e59..c9d6fa1d0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2008-06-22  Bruno Haible  <bruno@clisp.org>
+
+	* lib/sigprocmask.c: Update a comment.
+
 2008-06-21  Eric Blake  <ebb9@byu.net>
 
 	Use sigaction module rather than signal().
diff --git a/lib/sigprocmask.c b/lib/sigprocmask.c
index a8f2eb4e3..54e9c68f5 100644
--- a/lib/sigprocmask.c
+++ b/lib/sigprocmask.c
@@ -188,7 +188,8 @@ sigprocmask (int operation, const sigset_t *set, sigset_t *old_set)
 	      {
 		if (signal (sig, old_handlers[sig]) != blocked_handler)
 		  /* The application changed a signal handler while the signal
-		     was blocked.  We don't support this.  */
+		     was blocked, bypassing our rpl_signal replacement.
+		     We don't support this.  */
 		  abort ();
 		received[sig] = pending_array[sig];
 		blocked_set &= ~(1U << sig);
@@ -230,7 +231,8 @@ rpl_signal (int sig, sa_handler_t handler)
 	  old_handlers[sig] = handler;
 	  return result;
 	}
-      return signal (sig, handler);
+      else
+	return signal (sig, handler);
     }
   else
     {