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Hash :
b1fcec6d
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Date :
2025-09-10T23:22:53
Remove support for IRIX. * all-modules: Update comments. * build-aux/install-reloc: Likewise. * build-aux/reloc-ldflags: Likewise. * gnulib-tool: Likewise. * gnulib-tool.py: Likewise. * gnulib-tool.sh: Likewise. * lib/aligned-malloc.h: Likewise. * lib/boot-time.c: Likewise. * lib/c32is-impl.h: Likewise. * lib/c32srtombs-state.c: Likewise. * lib/c32to-impl.h: Likewise. * lib/c32width.c: Likewise. * lib/errno.in.h: Likewise. * lib/euidaccess.c: Likewise. * lib/fbufmode.c: Likewise. * lib/fenv-except-state-get.c: Likewise. * lib/fenv-except-state-set.c: Likewise. * lib/fenv-except-tracking-clear.c: Likewise. * lib/fenv-except-tracking-set.c: Likewise. * lib/fenv-except-tracking-test.c: Likewise. * lib/fenv-except-trapping.c: Likewise. * lib/fenv-round.c: Likewise. * lib/fflush.c: Likewise. * lib/fileblocks.c: Likewise. * lib/forkpty.c: Likewise. * lib/fpending.c: Likewise. * lib/fpurge.c: Likewise. * lib/freadable.c: Likewise. * lib/freadahead.c: Likewise. * lib/freading.c: Likewise. * lib/freadptr.c: Likewise. * lib/freadseek.c: Likewise. * lib/fseeko.c: Likewise. * lib/fseterr.c: Likewise. * lib/fsusage.c: Likewise. * lib/fwritable.c: Likewise. * lib/fwriting.c: Likewise. * lib/getdomainname.c: Likewise. * lib/idpriv-drop.c: Likewise. * lib/idpriv-droptemp.c: Likewise. * lib/limits.in.h: Likewise. * lib/mbrtoc16.c: Likewise. * lib/mbrtoc32.c: Likewise. * lib/mbsrtoc32s-state.c: Likewise. * lib/mbsrtowcs-state.c: Likewise. * lib/mbtowc-lock.h: Likewise. * lib/minmax.h: Likewise. * lib/netdb.in.h: Likewise. * lib/pipe-filter-ii.c: Likewise. * lib/posix_openpt.c: Likewise. * lib/ptsname_r.c: Likewise. * lib/readutmp.c: Likewise. * lib/readutmp.h: Likewise. * lib/resource-ext.h: Likewise. * lib/safe-read.h: Likewise. * lib/safe-write.h: Likewise. * lib/save-cwd.c: Likewise. * lib/stdbool.in.h: Likewise. * lib/striconv.c: Likewise. * lib/striconveh.c: Likewise. * lib/termcap.h: Likewise. * lib/terminfo.h: Likewise. * lib/unistd.in.h: Likewise. * lib/vasnprintf.c: Likewise. * lib/wcrtomb.c: Likewise. * lib/wcsrtombs-state.c: Likewise. * m4/fenv-environment.m4: Likewise. * m4/fenv-exceptions-state.m4: Likewise. * m4/fenv-exceptions-tracking.m4: Likewise. * m4/fenv-rounding.m4: Likewise. * m4/fmod.m4: Likewise. * m4/getdomainname.m4: Likewise. * m4/getloadavg.m4: Likewise. * m4/getopt.m4: Likewise. * m4/hypot.m4: Likewise. * m4/hypotf.m4: Likewise. * m4/hypotl.m4: Likewise. * m4/iconv.m4: Likewise. * m4/intl-thread-locale.m4: Likewise. * m4/largefile.m4: Likewise. * m4/libdl.m4: Likewise. * m4/locale-ja.m4: Likewise. * m4/locale_h.m4: Likewise. * m4/log.m4: Likewise. * m4/log10.m4: Likewise. * m4/log10f.m4: Likewise. * m4/logf.m4: Likewise. * m4/modf.m4: Likewise. * m4/modff.m4: Likewise. * m4/modfl.m4: Likewise. * m4/pthread-rwlock.m4: Likewise. * m4/semaphore.m4: Likewise. * m4/socklen.m4: Likewise. * m4/stdint.m4: Likewise. * m4/strtod.m4: Likewise. * m4/strtof.m4: Likewise. * m4/strtold.m4: Likewise. * modules/sigsegv: Likewise. * posix-modules: Likewise. * pygnulib/GLImport.py: Likewise. * tests/init.sh: Likewise. * tests/test-echo.sh: Likewise. * tests/test-isatty.c: Likewise. * tests/test-math-h.c: Likewise. * tests/test-nonblocking-pipe.h: Likewise. * tests/test-nonblocking-socket.h: Likewise. * tests/test-strtod.h: Likewise. * tests/test-strtof.h: Likewise. * tests/test-strtold.h: Likewise. * tests/test-vasnprintf.c: Likewise. * tests/test-vasnwprintf.c: Likewise.
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/* Use the internal lock used by mbrtowc and mbrtoc32.
Copyright (C) 2019-2025 Free Software Foundation, Inc.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
This file is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2019-2020. */
/* Use a lock, so that no two threads can invoke mbtowc at the same time. */
static inline int
mbtowc_unlocked (wchar_t *pwc, const char *p, size_t m)
{
/* Put the hidden internal state of mbtowc into an initial state.
This is needed at least with glibc, uClibc, and MSVC CRT.
See <https://sourceware.org/PR9674>. */
mbtowc (NULL, NULL, 0);
return mbtowc (pwc, p, m);
}
/* Prohibit renaming this symbol. */
#undef gl_get_mbtowc_lock
#if AVOID_ANY_THREADS || GNULIB_MBRTOWC_SINGLE_THREAD
/* All uses of this function are in a single thread. No locking needed. */
static int
mbtowc_with_lock (wchar_t *pwc, const char *p, size_t m)
{
return mbtowc_unlocked (pwc, p, m);
}
#elif defined _WIN32 && !defined __CYGWIN__
extern __declspec(dllimport) CRITICAL_SECTION *gl_get_mbtowc_lock (void);
static int
mbtowc_with_lock (wchar_t *pwc, const char *p, size_t m)
{
CRITICAL_SECTION *lock = gl_get_mbtowc_lock ();
int ret;
EnterCriticalSection (lock);
ret = mbtowc_unlocked (pwc, p, m);
LeaveCriticalSection (lock);
return ret;
}
#elif HAVE_PTHREAD_API /* AIX, Cygwin */
extern
# if defined _WIN32 || defined __CYGWIN__
__declspec(dllimport)
# endif
pthread_mutex_t *gl_get_mbtowc_lock (void);
# if HAVE_WEAK_SYMBOLS
/* Avoid the need to link with '-lpthread'. */
# pragma weak pthread_mutex_lock
# pragma weak pthread_mutex_unlock
/* Determine whether libpthread is in use. */
# pragma weak pthread_mutexattr_gettype
/* See the comments in lock.h. */
# define pthread_in_use() \
(pthread_mutexattr_gettype != NULL || c11_threads_in_use ())
# else
# define pthread_in_use() 1
# endif
static int
mbtowc_with_lock (wchar_t *pwc, const char *p, size_t m)
{
if (pthread_in_use())
{
pthread_mutex_t *lock = gl_get_mbtowc_lock ();
int ret;
if (pthread_mutex_lock (lock))
abort ();
ret = mbtowc_unlocked (pwc, p, m);
if (pthread_mutex_unlock (lock))
abort ();
return ret;
}
else
return mbtowc_unlocked (pwc, p, m);
}
#elif HAVE_THREADS_H
extern mtx_t *gl_get_mbtowc_lock (void);
static int
mbtowc_with_lock (wchar_t *pwc, const char *p, size_t m)
{
mtx_t *lock = gl_get_mbtowc_lock ();
int ret;
if (mtx_lock (lock) != thrd_success)
abort ();
ret = mbtowc_unlocked (pwc, p, m);
if (mtx_unlock (lock) != thrd_success)
abort ();
return ret;
}
#endif