Andreas Schwab
30e48d0d7f
- Update to glibc 2.21 release.
* A new semaphore algorithm has been implemented in generic C code for all
machines
* Added support for TSX lock elision of pthread mutexes on powerpc32,
powerpc64 and powerpc64le
* Optimized strcpy, stpcpy, strchrnul and strrchr implementations for
AArch64
* i386 memcpy functions optimized with SSE2 unaligned load/store
* New locales: tu_IN, bh_IN, raj_IN, ce_RU
* The obsolete sigvec function has been removed
- Patches from upstream removed
* ifunc-x86-slow-sse4.patch
* pthread-mutex-trylock-elision.patch
- o-tmpfile.patch: Fix value of O_TMPFILE for architectures with
non-default O_DIRECTORY (BZ #17912)
OBS-URL: https://build.opensuse.org/request/show/285070
OBS-URL: https://build.opensuse.org/package/show/Base:System/glibc?expand=0&rev=391
112 lines
3.6 KiB
Diff
112 lines
3.6 KiB
Diff
From 867dbf6ba31c0a0f5c0366f9ed71b0afc3727a23 Mon Sep 17 00:00:00 2001
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From: Andreas Schwab <schwab@suse.de>
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Date: Mon, 11 Aug 2014 11:18:26 +0200
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Subject: [PATCH] Filter out PTHREAD_MUTEX_NO_ELISION_NP bit in
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pthread_mutexattr_gettype (BZ #15790)
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[BZ #15790]
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* nptl/pthread_mutexattr_gettype.c (pthread_mutexattr_gettype):
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Filter out PTHREAD_MUTEX_NO_ELISION_NP from value returned in
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kind.
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* nptl/Makefile (tests): Add tst-pthread-mutexattr.
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* nptl/tst-pthread-mutexattr.c: New file.
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---
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nptl/Makefile | 2 +-
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nptl/pthread_mutexattr_gettype.c | 3 +-
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nptl/tst-pthread-mutexattr.c | 60 ++++++++++++++++++++++++++++++++++++++++
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3 files changed, 63 insertions(+), 2 deletions(-)
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create mode 100644 nptl/tst-pthread-mutexattr.c
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Index: glibc-2.19/nptl/Makefile
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===================================================================
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--- glibc-2.19.orig/nptl/Makefile
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+++ glibc-2.19/nptl/Makefile
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@@ -253,7 +253,7 @@ tests = tst-typesizes \
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tst-exit1 tst-exit2 tst-exit3 \
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tst-stdio1 tst-stdio2 \
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tst-stack1 tst-stack2 tst-stack3 tst-stack4 tst-pthread-getattr \
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- tst-pthread-attr-affinity \
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+ tst-pthread-attr-affinity tst-pthread-mutexattr \
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tst-unload \
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tst-dlsym1 \
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tst-sysconf \
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Index: glibc-2.19/nptl/pthread_mutexattr_gettype.c
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===================================================================
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--- glibc-2.19.orig/nptl/pthread_mutexattr_gettype.c
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+++ glibc-2.19/nptl/pthread_mutexattr_gettype.c
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@@ -28,7 +28,8 @@ pthread_mutexattr_gettype (attr, kind)
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iattr = (const struct pthread_mutexattr *) attr;
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- *kind = iattr->mutexkind & ~PTHREAD_MUTEXATTR_FLAG_BITS;
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+ *kind = (iattr->mutexkind & ~PTHREAD_MUTEXATTR_FLAG_BITS
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+ & ~PTHREAD_MUTEX_NO_ELISION_NP);
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return 0;
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}
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Index: glibc-2.19/nptl/tst-pthread-mutexattr.c
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===================================================================
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--- /dev/null
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+++ glibc-2.19/nptl/tst-pthread-mutexattr.c
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@@ -0,0 +1,60 @@
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+/* Make sure that pthread_mutexattr_gettype returns a valid kind.
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+
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+ Copyright (C) 2014 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, see
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+ <http://www.gnu.org/licenses/>. */
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+
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+#include <stdio.h>
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+#include <string.h>
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+#include <pthread.h>
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+
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+static int
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+do_test (void)
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+{
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+ pthread_mutexattr_t attr;
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+ int kind;
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+ int error;
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+
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+ error = pthread_mutexattr_init (&attr);
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+ if (error)
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+ {
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+ printf ("pthread_mutexattr_init: %s\n", strerror (error));
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+ return 1;
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+ }
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+ error = pthread_mutexattr_settype (&attr, PTHREAD_MUTEX_DEFAULT);
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+ if (error)
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+ {
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+ printf ("pthread_mutexattr_settype (1): %s\n", strerror (error));
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+ return 1;
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+ }
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+ error = pthread_mutexattr_gettype (&attr, &kind);
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+ if (error)
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+ {
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+ printf ("pthread_mutexattr_gettype: %s\n", strerror (error));
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+ return 1;
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+ }
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+ error = pthread_mutexattr_settype (&attr, kind);
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+ if (error)
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+ {
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+ printf ("pthread_mutexattr_settype (2): %s\n", strerror (error));
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+ return 1;
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+ }
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+ return 0;
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+}
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+
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+
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+#define TEST_FUNCTION do_test ()
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+#include "../test-skeleton.c"
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