glibc/abort-no-flush.patch

Don't close or flush stdio streams on abort

	[BZ #15436]
	* stdlib/abort.c (abort): Don't call fflush and __fcloseall.

Index: glibc-2.19/stdlib/abort.c
===================================================================
--- glibc-2.19.orig/stdlib/abort.c
+++ glibc-2.19/stdlib/abort.c
@@ -30,9 +30,6 @@
 # define ABORT_INSTRUCTION
 #endif
 
-#include <libio/libioP.h>
-#define fflush(s) _IO_flush_all_lockp (0)
-
 /* Exported variable to locate abort message in core files etc.  */
 struct abort_msg_s *__abort_msg __attribute__ ((nocommon));
 libc_hidden_def (__abort_msg)
@@ -66,16 +63,8 @@ abort (void)
 	__sigprocmask (SIG_UNBLOCK, &sigs, (sigset_t *) NULL);
     }
 
-  /* Flush all streams.  We cannot close them now because the user
-     might have registered a handler for SIGABRT.  */
-  if (stage == 1)
-    {
-      ++stage;
-      fflush (NULL);
-    }
-
   /* Send signal which possibly calls a user handler.  */
-  if (stage == 2)
+  if (stage == 1)
     {
       /* This stage is special: we must allow repeated calls of
 	 `abort' when a user defined handler for SIGABRT is installed.
@@ -93,7 +82,7 @@ abort (void)
     }
 
   /* There was a handler installed.  Now remove it.  */
-  if (stage == 3)
+  if (stage == 2)
     {
       ++stage;
       memset (&act, '\0', sizeof (struct sigaction));
@@ -103,30 +92,22 @@ abort (void)
       __sigaction (SIGABRT, &act, NULL);
     }
 
-  /* Now close the streams which also flushes the output the user
-     defined handler might has produced.  */
-  if (stage == 4)
-    {
-      ++stage;
-      __fcloseall ();
-    }
-
   /* Try again.  */
-  if (stage == 5)
+  if (stage == 3)
     {
       ++stage;
       raise (SIGABRT);
     }
 
   /* Now try to abort using the system specific command.  */
-  if (stage == 6)
+  if (stage == 4)
     {
       ++stage;
       ABORT_INSTRUCTION;
     }
 
   /* If we can't signal ourselves and the abort instruction failed, exit.  */
-  if (stage == 7)
+  if (stage == 5)
     {
       ++stage;
       _exit (127);