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author | Florian Weimer <fweimer@redhat.com> | 2017-10-05 14:48:16 +0200 |
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committer | Florian Weimer <fweimer@redhat.com> | 2017-10-05 14:48:16 +0200 |
commit | 91e7cf982d0104f0e71770f5ae8e3faf352dea9f (patch) | |
tree | be60472784d16ffa545c70e5ccb0108bf85c174e /stdlib/abort.c | |
parent | 0c25125780083cbba22ed627756548efe282d1a0 (diff) | |
download | glibc-91e7cf982d0104f0e71770f5ae8e3faf352dea9f.tar.gz |
abort: Do not flush stdio streams [BZ #15436]
Diffstat (limited to 'stdlib/abort.c')
-rw-r--r-- | stdlib/abort.c | 29 |
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); |