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* configure.ac (AM_GNU_GETTEXT_VERSION): Bump to 0.18. * po/Makefile.in.in: Upgrade to gettext-0.18. Keep option --previous of msgmerge. * intl/: Upgrade to gettext-0.18. * m4/gettext.m4: Upgrade to gettext-0.18.1. * m4/iconv.m4: Upgrade to gettext-0.18.1. * m4/lib-ld.m4: Upgrade to gettext-0.18.1. * m4/lib-link.m4: Upgrade to gettext-0.18.1. * m4/lib-prefix.m4: Upgrade to gettext-0.18.1. * m4/nls.m4: Upgrade to gettext-0.18.1. * m4/po.m4: Upgrade to gettext-0.18.1. * m4/progtest.m4: Upgrade to gettext-0.18.1. * m4/codeset.m4: Upgrade to gettext-0.18.1. * m4/fcntl-o.m4: New file, from gettext-0.18.1. * m4/glibc2.m4: Upgrade to gettext-0.18.1. * m4/glibc21.m4: Upgrade to gettext-0.18.1. * m4/intdiv0.m4: Upgrade to gettext-0.18.1. * m4/intl.m4: Upgrade to gettext-0.18.1. * m4/intldir.m4: Upgrade to gettext-0.18.1. * m4/intlmacosx.m4: Upgrade to gettext-0.18.1. * m4/intmax.m4: Upgrade to gettext-0.18.1. * m4/inttypes_h.m4: Upgrade to gettext-0.18.1. * m4/inttypes-pri.m4: Upgrade to gettext-0.18.1. * m4/lcmessage.m4: Upgrade to gettext-0.18.1. * m4/lock.m4: Upgrade to gettext-0.18.1. * m4/longlong.m4: Upgrade to gettext-0.18.1. * m4/printf-posix.m4: Upgrade to gettext-0.18.1. * m4/size_max.m4: Upgrade to gettext-0.18.1. * m4/stdint_h.m4: Upgrade to gettext-0.18.1. * m4/threadlib.m4: New file, from gettext-0.18.1. * m4/uintmax_t.m4: Upgrade to gettext-0.18.1. * m4/visibility.m4: Upgrade to gettext-0.18.1. * m4/wchar_t.m4: Upgrade to gettext-0.18.1. * m4/wint_t.m4: Upgrade to gettext-0.18.1. * m4/xsize.m4: Upgrade to gettext-0.18.1. * m4/Makefile.am (EXTRA_DIST): Add the new files.
76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
/* Multithreading primitives.
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Copyright (C) 2005-2009 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU Library General Public License as published
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by the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program 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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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USA. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2005. */
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#include <config.h>
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/* ========================================================================= */
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#if USE_POSIX_THREADS
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/* Use the POSIX threads library. */
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# include <pthread.h>
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# include <stdlib.h>
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# if PTHREAD_IN_USE_DETECTION_HARD
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/* The function to be executed by a dummy thread. */
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static void *
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dummy_thread_func (void *arg)
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{
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return arg;
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}
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int
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glthread_in_use (void)
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{
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static int tested;
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static int result; /* 1: linked with -lpthread, 0: only with libc */
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if (!tested)
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{
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pthread_t thread;
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if (pthread_create (&thread, NULL, dummy_thread_func, NULL) != 0)
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/* Thread creation failed. */
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result = 0;
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else
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{
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/* Thread creation works. */
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void *retval;
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if (pthread_join (thread, &retval) != 0)
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abort ();
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result = 1;
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}
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tested = 1;
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}
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return result;
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}
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# endif
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#endif
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/* ========================================================================= */
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/* This declaration is solely to ensure that after preprocessing
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this file is never empty. */
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typedef int dummy;
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