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authorFlorian Weimer <fweimer@redhat.com>2017-10-05 14:48:16 +0200
committerFlorian Weimer <fweimer@redhat.com>2017-10-05 14:48:16 +0200
commit91e7cf982d0104f0e71770f5ae8e3faf352dea9f (patch)
treebe60472784d16ffa545c70e5ccb0108bf85c174e /stdlib
parent0c25125780083cbba22ed627756548efe282d1a0 (diff)
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abort: Do not flush stdio streams [BZ #15436]
Diffstat (limited to 'stdlib')
-rw-r--r--stdlib/abort.c29
1 files changed, 5 insertions, 24 deletions
diff --git a/stdlib/abort.c b/stdlib/abort.c
index 19882f3e3d..117a507ff8 100644
--- a/stdlib/abort.c
+++ b/stdlib/abort.c
@@ -31,9 +31,6 @@
 # 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)
@@ -67,16 +64,8 @@ abort (void)
       __sigprocmask (SIG_UNBLOCK, &sigs, 0);
     }
 
-  /* 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.
@@ -94,7 +83,7 @@ abort (void)
     }
 
   /* There was a handler installed.  Now remove it.  */
-  if (stage == 3)
+  if (stage == 2)
     {
       ++stage;
       memset (&act, '\0', sizeof (struct sigaction));
@@ -104,30 +93,22 @@ 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);