[Emacs-diffs] /srv/bzr/emacs/trunk r110129: * emacs.c (shut_down_emacs): Don't assume stderr is buffered,

[Paul Eggert]

------------------------------------------------------------
revno: 110129
committer: Paul Eggert <address@hidden>
branch nick: trunk
timestamp: Sat 2012-09-22 00:34:52 -0700
message:
  * emacs.c (shut_down_emacs): Don't assume stderr is buffered,
  
  or that fprintf is async-signal-safe.  POSIX doesn't require
  either assumption.
modified:
  src/ChangeLog
  src/emacs.c

=== modified file 'src/ChangeLog'
--- a/src/ChangeLog     2012-09-22 03:07:39 +0000
+++ b/src/ChangeLog     2012-09-22 07:34:52 +0000
@@ -1,3 +1,9 @@
+2012-09-22  Paul Eggert  <address@hidden>
+
+       * emacs.c (shut_down_emacs): Don't assume stderr is buffered,
+       or that fprintf is async-signal-safe.  POSIX doesn't require
+       either assumption.
+
 2012-09-22  Chong Yidong  <address@hidden>
 
        * buffer.c (Fset_buffer_modified_p): Handle indirect buffers

=== modified file 'src/emacs.c'
--- a/src/emacs.c       2012-09-17 00:56:08 +0000
+++ b/src/emacs.c       2012-09-22 07:34:52 +0000
@@ -27,6 +27,8 @@
 #include <sys/file.h>
 #include <unistd.h>
 
+#include <ignore-value.h>
+
 #include "lisp.h"
 
 #ifdef HAVE_WINDOW_SYSTEM
@@ -2012,7 +2014,12 @@
       {
        reset_all_sys_modes ();
        if (sig && sig != SIGTERM)
-         fprintf (stderr, "Fatal error %d: %s", sig, strsignal (sig));
+         {
+           char buf[100];
+           int buflen = snprintf (buf, sizeof buf, "Fatal error %d: %s",
+                                  sig, strsignal (sig));
+           ignore_value (write (STDERR_FILENO, buf, buflen));
+         }
       }
   }
 #else