forked from pool/glibc
Andreas Schwab
7864f220da
- Update to glibc-2.25.90.20170720.gc771b59a24c0
* A per-thread cache has been added to malloc
* Unicode 10.0.0 Support
* Improvements to the DNS stub resolver
* New function reallocarray, which resizes an allocated block (like
realloc) to the product of two sizes, with a guaranteed clean failure
upon integer overflow in the multiplication
* New wrappers for the Linux-specific system calls preadv2 and pwritev2
* posix_spawnattr_setflags now supports the flag POSIX_SPAWN_SETSID, to
create a new session ID for the spawned process
* errno.h is now safe to use from C-preprocessed assembly language on all
supported operating systems
* On ia64, powerpc64le, x86-32, and x86-64, the math library now implements
128-bit floating point as defined by ISO/IEC/IEEE 60559:2011 (IEEE
754-2008) and ISO/IEC TS 18661-3:2015
* The synchronization that pthread_spin_unlock performs has been changed to
now be equivalent to a C11 atomic store with release memory order to the
spin lock's memory location
* The DNS stub resolver no longer performs EDNS fallback
* res_mkquery and res_nmkquery no longer support the IQUERY opcode
* The _res_opcodes variable has been removed from libresolv
* <string.h> no longer includes inline versions of any string functions,
as this kind of optimization is better done by the compiler
* The nonstandard header <xlocale.h> has been removed
* The obsolete header <sys/ultrasound.h> has been removed
* The obsolete signal constant SIGUNUSED is no longer defined by <signal.h>
* The obsolete function cfree has been removed
* The stack_t type no longer has the name struct sigaltstack
* The ucontext_t type no longer has the name struct ucontext
* On S/390 GNU/Linux, the constants defined by <sys/ptrace.h> have been
OBS-URL: https://build.opensuse.org/request/show/512670
OBS-URL: https://build.opensuse.org/package/show/Base:System/glibc?expand=0&rev=467
81 lines
2.0 KiB
Diff
81 lines
2.0 KiB
Diff
Don't close or flush stdio streams on abort
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[BZ #15436]
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* stdlib/abort.c (abort): Don't call fflush and __fcloseall.
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Index: glibc-2.19/stdlib/abort.c
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===================================================================
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--- glibc-2.19.orig/stdlib/abort.c
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+++ glibc-2.19/stdlib/abort.c
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@@ -30,9 +30,6 @@
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# define ABORT_INSTRUCTION
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#endif
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-#include <libio/libioP.h>
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-#define fflush(s) _IO_flush_all_lockp (0)
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-
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/* Exported variable to locate abort message in core files etc. */
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struct abort_msg_s *__abort_msg __attribute__ ((nocommon));
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libc_hidden_def (__abort_msg)
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@@ -66,16 +63,8 @@ abort (void)
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__sigprocmask (SIG_UNBLOCK, &sigs, 0);
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}
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- /* Flush all streams. We cannot close them now because the user
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- might have registered a handler for SIGABRT. */
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- if (stage == 1)
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- {
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- ++stage;
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- fflush (NULL);
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- }
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-
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/* Send signal which possibly calls a user handler. */
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- if (stage == 2)
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+ if (stage == 1)
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{
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/* This stage is special: we must allow repeated calls of
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`abort' when a user defined handler for SIGABRT is installed.
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@@ -93,7 +82,7 @@ abort (void)
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}
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/* There was a handler installed. Now remove it. */
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- if (stage == 3)
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+ if (stage == 2)
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{
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++stage;
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memset (&act, '\0', sizeof (struct sigaction));
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@@ -103,30 +92,22 @@ abort (void)
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__sigaction (SIGABRT, &act, NULL);
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}
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- /* Now close the streams which also flushes the output the user
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- defined handler might has produced. */
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- if (stage == 4)
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- {
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- ++stage;
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- __fcloseall ();
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- }
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-
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/* Try again. */
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- if (stage == 5)
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+ if (stage == 3)
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{
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++stage;
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raise (SIGABRT);
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}
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/* Now try to abort using the system specific command. */
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- if (stage == 6)
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+ if (stage == 4)
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{
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++stage;
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ABORT_INSTRUCTION;
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}
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/* If we can't signal ourselves and the abort instruction failed, exit. */
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- if (stage == 7)
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+ if (stage == 5)
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{
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++stage;
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_exit (127);
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