# pthread_h.m4 serial 5
dnl Copyright (C) 2009-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_PTHREAD_H],
[
dnl Use AC_REQUIRE here, so that the default behavior below is expanded
dnl once only, before all statements that occur in other macros.
AC_REQUIRE([gl_PTHREAD_H_DEFAULTS])
AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([gl_PTHREADLIB])
gl_CHECK_NEXT_HEADERS([pthread.h])
if test $ac_cv_header_pthread_h = yes; then
HAVE_PTHREAD_H=1
dnl On mingw, if --enable-threads=windows or gl_AVOID_WINPTHREAD is used,
dnl ignore the <pthread.h> from the mingw-w64 winpthreads library.
m4_ifdef([gl_][THREADLIB], [
AC_REQUIRE([gl_][THREADLIB])
if { case "$host_os" in mingw*) true;; *) false;; esac; } \
&& test $gl_threads_api = windows; then
HAVE_PTHREAD_H=0
fi
])
else
HAVE_PTHREAD_H=0
fi
AC_SUBST([HAVE_PTHREAD_H])
AC_CHECK_TYPES([pthread_t, pthread_spinlock_t], [], [],
[AC_INCLUDES_DEFAULT[
#if HAVE_PTHREAD_H
#include <pthread.h>
#endif]])
if test $ac_cv_type_pthread_t != yes; then
HAVE_PTHREAD_T=0
fi
if test $ac_cv_type_pthread_spinlock_t != yes; then
HAVE_PTHREAD_SPINLOCK_T=0
fi
dnl Constants may be defined as C preprocessor macros or as enum items.
AC_CACHE_CHECK([for PTHREAD_CREATE_DETACHED],
[gl_cv_const_PTHREAD_CREATE_DETACHED],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <pthread.h>
int x = PTHREAD_CREATE_DETACHED;
]],
[[]])],
[gl_cv_const_PTHREAD_CREATE_DETACHED=yes],
[gl_cv_const_PTHREAD_CREATE_DETACHED=no])
])
if test $gl_cv_const_PTHREAD_CREATE_DETACHED != yes; then
HAVE_PTHREAD_CREATE_DETACHED=0
fi
AC_CACHE_CHECK([for PTHREAD_MUTEX_RECURSIVE],
[gl_cv_const_PTHREAD_MUTEX_RECURSIVE],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <pthread.h>
int x = PTHREAD_MUTEX_RECURSIVE;
]],
[[]])],
[gl_cv_const_PTHREAD_MUTEX_RECURSIVE=yes],
[gl_cv_const_PTHREAD_MUTEX_RECURSIVE=no])
])
if test $gl_cv_const_PTHREAD_MUTEX_RECURSIVE != yes; then
HAVE_PTHREAD_MUTEX_RECURSIVE=0
fi
AC_CACHE_CHECK([for PTHREAD_MUTEX_ROBUST],
[gl_cv_const_PTHREAD_MUTEX_ROBUST],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <pthread.h>
int x = PTHREAD_MUTEX_ROBUST;
]],
[[]])],
[gl_cv_const_PTHREAD_MUTEX_ROBUST=yes],
[gl_cv_const_PTHREAD_MUTEX_ROBUST=no])
])
if test $gl_cv_const_PTHREAD_MUTEX_ROBUST != yes; then
HAVE_PTHREAD_MUTEX_ROBUST=0
fi
AC_CACHE_CHECK([for PTHREAD_PROCESS_SHARED],
[gl_cv_const_PTHREAD_PROCESS_SHARED],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <pthread.h>
int x = PTHREAD_PROCESS_SHARED;
]],
[[]])],
[gl_cv_const_PTHREAD_PROCESS_SHARED=yes],
[gl_cv_const_PTHREAD_PROCESS_SHARED=no])
])
if test $gl_cv_const_PTHREAD_PROCESS_SHARED != yes; then
HAVE_PTHREAD_PROCESS_SHARED=0
fi
dnl Check for declarations of anything we want to poison if the
dnl corresponding gnulib module is not in use, if it is not common
dnl enough to be declared everywhere.
gl_WARN_ON_USE_PREPARE([[#include <pthread.h>
]], [
pthread_create pthread_attr_init pthread_attr_getdetachstate
pthread_attr_setdetachstate pthread_attr_destroy pthread_self pthread_equal
pthread_detach pthread_join pthread_exit
pthread_once
pthread_mutex_init pthread_mutexattr_init pthread_mutexattr_gettype
pthread_mutexattr_settype pthread_mutexattr_getrobust
pthread_mutexattr_setrobust pthread_mutexattr_destroy pthread_mutex_lock
pthread_mutex_trylock pthread_mutex_timedlock pthread_mutex_unlock
pthread_mutex_destroy
pthread_rwlock_init pthread_rwlockattr_init pthread_rwlockattr_destroy
pthread_rwlock_rdlock pthread_rwlock_wrlock pthread_rwlock_tryrdlock
pthread_rwlock_trywrlock pthread_rwlock_timedrdlock
pthread_rwlock_timedwrlock pthread_rwlock_unlock pthread_rwlock_destroy
pthread_cond_init pthread_condattr_init pthread_condattr_destroy
pthread_cond_wait pthread_cond_timedwait pthread_cond_signal
pthread_cond_broadcast pthread_cond_destroy
pthread_key_create pthread_setspecific pthread_getspecific
pthread_key_delete
pthread_spin_init pthread_spin_lock pthread_spin_trylock pthread_spin_unlock
pthread_spin_destroy])
AC_REQUIRE([AC_C_RESTRICT])
dnl For backward compatibility with gnulib versions <= 2019-07.
LIB_PTHREAD="$LIBPMULTITHREAD"
AC_SUBST([LIB_PTHREAD])
])
AC_DEFUN([gl_PTHREAD_MODULE_INDICATOR],
[
dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
AC_REQUIRE([gl_PTHREAD_H_DEFAULTS])
gl_MODULE_INDICATOR_SET_VARIABLE([$1])
dnl Define it also as a C macro, for the benefit of the unit tests.
gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
AC_DEFUN([gl_PTHREAD_H_DEFAULTS],
[
GNULIB_PTHREAD_THREAD=0; AC_SUBST([GNULIB_PTHREAD_THREAD])
GNULIB_PTHREAD_ONCE=0; AC_SUBST([GNULIB_PTHREAD_ONCE])
GNULIB_PTHREAD_MUTEX=0; AC_SUBST([GNULIB_PTHREAD_MUTEX])
GNULIB_PTHREAD_RWLOCK=0; AC_SUBST([GNULIB_PTHREAD_RWLOCK])
GNULIB_PTHREAD_COND=0; AC_SUBST([GNULIB_PTHREAD_COND])
GNULIB_PTHREAD_TSS=0; AC_SUBST([GNULIB_PTHREAD_TSS])
GNULIB_PTHREAD_SPIN=0; AC_SUBST([GNULIB_PTHREAD_SPIN])
GNULIB_PTHREAD_MUTEX_TIMEDLOCK=0; AC_SUBST([GNULIB_PTHREAD_MUTEX_TIMEDLOCK])
dnl Assume proper GNU behavior unless another module says otherwise.
HAVE_PTHREAD_T=1; AC_SUBST([HAVE_PTHREAD_T])
HAVE_PTHREAD_SPINLOCK_T=1; AC_SUBST([HAVE_PTHREAD_SPINLOCK_T])
HAVE_PTHREAD_CREATE_DETACHED=1; AC_SUBST([HAVE_PTHREAD_CREATE_DETACHED])
HAVE_PTHREAD_MUTEX_RECURSIVE=1; AC_SUBST([HAVE_PTHREAD_MUTEX_RECURSIVE])
HAVE_PTHREAD_MUTEX_ROBUST=1; AC_SUBST([HAVE_PTHREAD_MUTEX_ROBUST])
HAVE_PTHREAD_PROCESS_SHARED=1; AC_SUBST([HAVE_PTHREAD_PROCESS_SHARED])
HAVE_PTHREAD_CREATE=1; AC_SUBST([HAVE_PTHREAD_CREATE])
HAVE_PTHREAD_ATTR_INIT=1; AC_SUBST([HAVE_PTHREAD_ATTR_INIT])
HAVE_PTHREAD_ATTR_GETDETACHSTATE=1; AC_SUBST([HAVE_PTHREAD_ATTR_GETDETACHSTATE])
HAVE_PTHREAD_ATTR_SETDETACHSTATE=1; AC_SUBST([HAVE_PTHREAD_ATTR_SETDETACHSTATE])
HAVE_PTHREAD_ATTR_DESTROY=1; AC_SUBST([HAVE_PTHREAD_ATTR_DESTROY])
HAVE_PTHREAD_SELF=1; AC_SUBST([HAVE_PTHREAD_SELF])
HAVE_PTHREAD_EQUAL=1; AC_SUBST([HAVE_PTHREAD_EQUAL])
HAVE_PTHREAD_DETACH=1; AC_SUBST([HAVE_PTHREAD_DETACH])
HAVE_PTHREAD_JOIN=1; AC_SUBST([HAVE_PTHREAD_JOIN])
HAVE_PTHREAD_EXIT=1; AC_SUBST([HAVE_PTHREAD_EXIT])
HAVE_PTHREAD_ONCE=1; AC_SUBST([HAVE_PTHREAD_ONCE])
HAVE_PTHREAD_MUTEX_INIT=1; AC_SUBST([HAVE_PTHREAD_MUTEX_INIT])
HAVE_PTHREAD_MUTEXATTR_INIT=1; AC_SUBST([HAVE_PTHREAD_MUTEXATTR_INIT])
HAVE_PTHREAD_MUTEXATTR_GETTYPE=1; AC_SUBST([HAVE_PTHREAD_MUTEXATTR_GETTYPE])
HAVE_PTHREAD_MUTEXATTR_SETTYPE=1; AC_SUBST([HAVE_PTHREAD_MUTEXATTR_SETTYPE])
HAVE_PTHREAD_MUTEXATTR_GETROBUST=1; AC_SUBST([HAVE_PTHREAD_MUTEXATTR_GETROBUST])
HAVE_PTHREAD_MUTEXATTR_SETROBUST=1; AC_SUBST([HAVE_PTHREAD_MUTEXATTR_SETROBUST])
HAVE_PTHREAD_MUTEXATTR_DESTROY=1; AC_SUBST([HAVE_PTHREAD_MUTEXATTR_DESTROY])
HAVE_PTHREAD_MUTEX_LOCK=1; AC_SUBST([HAVE_PTHREAD_MUTEX_LOCK])
HAVE_PTHREAD_MUTEX_TRYLOCK=1; AC_SUBST([HAVE_PTHREAD_MUTEX_TRYLOCK])
HAVE_PTHREAD_MUTEX_TIMEDLOCK=1; AC_SUBST([HAVE_PTHREAD_MUTEX_TIMEDLOCK])
HAVE_PTHREAD_MUTEX_UNLOCK=1; AC_SUBST([HAVE_PTHREAD_MUTEX_UNLOCK])
HAVE_PTHREAD_MUTEX_DESTROY=1; AC_SUBST([HAVE_PTHREAD_MUTEX_DESTROY])
HAVE_PTHREAD_RWLOCK_INIT=1; AC_SUBST([HAVE_PTHREAD_RWLOCK_INIT])
HAVE_PTHREAD_RWLOCKATTR_INIT=1; AC_SUBST([HAVE_PTHREAD_RWLOCKATTR_INIT])
HAVE_PTHREAD_RWLOCKATTR_DESTROY=1; AC_SUBST([HAVE_PTHREAD_RWLOCKATTR_DESTROY])
HAVE_PTHREAD_RWLOCK_RDLOCK=1; AC_SUBST([HAVE_PTHREAD_RWLOCK_RDLOCK])
HAVE_PTHREAD_RWLOCK_WRLOCK=1; AC_SUBST([HAVE_PTHREAD_RWLOCK_WRLOCK])
HAVE_PTHREAD_RWLOCK_TRYRDLOCK=1; AC_SUBST([HAVE_PTHREAD_RWLOCK_TRYRDLOCK])
HAVE_PTHREAD_RWLOCK_TRYWRLOCK=1; AC_SUBST([HAVE_PTHREAD_RWLOCK_TRYWRLOCK])
HAVE_PTHREAD_RWLOCK_TIMEDRDLOCK=1; AC_SUBST([HAVE_PTHREAD_RWLOCK_TIMEDRDLOCK])
HAVE_PTHREAD_RWLOCK_TIMEDWRLOCK=1; AC_SUBST([HAVE_PTHREAD_RWLOCK_TIMEDWRLOCK])
HAVE_PTHREAD_RWLOCK_UNLOCK=1; AC_SUBST([HAVE_PTHREAD_RWLOCK_UNLOCK])
HAVE_PTHREAD_RWLOCK_DESTROY=1; AC_SUBST([HAVE_PTHREAD_RWLOCK_DESTROY])
HAVE_PTHREAD_COND_INIT=1; AC_SUBST([HAVE_PTHREAD_COND_INIT])
HAVE_PTHREAD_CONDATTR_INIT=1; AC_SUBST([HAVE_PTHREAD_CONDATTR_INIT])
HAVE_PTHREAD_CONDATTR_DESTROY=1; AC_SUBST([HAVE_PTHREAD_CONDATTR_DESTROY])
HAVE_PTHREAD_COND_WAIT=1; AC_SUBST([HAVE_PTHREAD_COND_WAIT])
HAVE_PTHREAD_COND_TIMEDWAIT=1; AC_SUBST([HAVE_PTHREAD_COND_TIMEDWAIT])
HAVE_PTHREAD_COND_SIGNAL=1; AC_SUBST([HAVE_PTHREAD_COND_SIGNAL])
HAVE_PTHREAD_COND_BROADCAST=1; AC_SUBST([HAVE_PTHREAD_COND_BROADCAST])
HAVE_PTHREAD_COND_DESTROY=1; AC_SUBST([HAVE_PTHREAD_COND_DESTROY])
HAVE_PTHREAD_KEY_CREATE=1; AC_SUBST([HAVE_PTHREAD_KEY_CREATE])
HAVE_PTHREAD_SETSPECIFIC=1; AC_SUBST([HAVE_PTHREAD_SETSPECIFIC])
HAVE_PTHREAD_GETSPECIFIC=1; AC_SUBST([HAVE_PTHREAD_GETSPECIFIC])
HAVE_PTHREAD_KEY_DELETE=1; AC_SUBST([HAVE_PTHREAD_KEY_DELETE])
HAVE_PTHREAD_SPIN_INIT=1; AC_SUBST([HAVE_PTHREAD_SPIN_INIT])
HAVE_PTHREAD_SPIN_LOCK=1; AC_SUBST([HAVE_PTHREAD_SPIN_LOCK])
HAVE_PTHREAD_SPIN_TRYLOCK=1; AC_SUBST([HAVE_PTHREAD_SPIN_TRYLOCK])
HAVE_PTHREAD_SPIN_UNLOCK=1; AC_SUBST([HAVE_PTHREAD_SPIN_UNLOCK])
HAVE_PTHREAD_SPIN_DESTROY=1; AC_SUBST([HAVE_PTHREAD_SPIN_DESTROY])
REPLACE_PTHREAD_CREATE=0; AC_SUBST([REPLACE_PTHREAD_CREATE])
REPLACE_PTHREAD_ATTR_INIT=0; AC_SUBST([REPLACE_PTHREAD_ATTR_INIT])
REPLACE_PTHREAD_ATTR_GETDETACHSTATE=0; AC_SUBST([REPLACE_PTHREAD_ATTR_GETDETACHSTATE])
REPLACE_PTHREAD_ATTR_SETDETACHSTATE=0; AC_SUBST([REPLACE_PTHREAD_ATTR_SETDETACHSTATE])
REPLACE_PTHREAD_ATTR_DESTROY=0; AC_SUBST([REPLACE_PTHREAD_ATTR_DESTROY])
REPLACE_PTHREAD_SELF=0; AC_SUBST([REPLACE_PTHREAD_SELF])
REPLACE_PTHREAD_EQUAL=0; AC_SUBST([REPLACE_PTHREAD_EQUAL])
REPLACE_PTHREAD_DETACH=0; AC_SUBST([REPLACE_PTHREAD_DETACH])
REPLACE_PTHREAD_JOIN=0; AC_SUBST([REPLACE_PTHREAD_JOIN])
REPLACE_PTHREAD_EXIT=0; AC_SUBST([REPLACE_PTHREAD_EXIT])
REPLACE_PTHREAD_ONCE=0; AC_SUBST([REPLACE_PTHREAD_ONCE])
REPLACE_PTHREAD_MUTEX_INIT=0; AC_SUBST([REPLACE_PTHREAD_MUTEX_INIT])
REPLACE_PTHREAD_MUTEXATTR_INIT=0; AC_SUBST([REPLACE_PTHREAD_MUTEXATTR_INIT])
REPLACE_PTHREAD_MUTEXATTR_GETTYPE=0; AC_SUBST([REPLACE_PTHREAD_MUTEXATTR_GETTYPE])
REPLACE_PTHREAD_MUTEXATTR_SETTYPE=0; AC_SUBST([REPLACE_PTHREAD_MUTEXATTR_SETTYPE])
REPLACE_PTHREAD_MUTEXATTR_GETROBUST=0; AC_SUBST([REPLACE_PTHREAD_MUTEXATTR_GETROBUST])
REPLACE_PTHREAD_MUTEXATTR_SETROBUST=0; AC_SUBST([REPLACE_PTHREAD_MUTEXATTR_SETROBUST])
REPLACE_PTHREAD_MUTEXATTR_DESTROY=0; AC_SUBST([REPLACE_PTHREAD_MUTEXATTR_DESTROY])
REPLACE_PTHREAD_MUTEX_LOCK=0; AC_SUBST([REPLACE_PTHREAD_MUTEX_LOCK])
REPLACE_PTHREAD_MUTEX_TRYLOCK=0; AC_SUBST([REPLACE_PTHREAD_MUTEX_TRYLOCK])
REPLACE_PTHREAD_MUTEX_TIMEDLOCK=0; AC_SUBST([REPLACE_PTHREAD_MUTEX_TIMEDLOCK])
REPLACE_PTHREAD_MUTEX_UNLOCK=0; AC_SUBST([REPLACE_PTHREAD_MUTEX_UNLOCK])
REPLACE_PTHREAD_MUTEX_DESTROY=0; AC_SUBST([REPLACE_PTHREAD_MUTEX_DESTROY])
REPLACE_PTHREAD_RWLOCK_INIT=0; AC_SUBST([REPLACE_PTHREAD_RWLOCK_INIT])
REPLACE_PTHREAD_RWLOCKATTR_INIT=0; AC_SUBST([REPLACE_PTHREAD_RWLOCKATTR_INIT])
REPLACE_PTHREAD_RWLOCKATTR_DESTROY=0; AC_SUBST([REPLACE_PTHREAD_RWLOCKATTR_DESTROY])
REPLACE_PTHREAD_RWLOCK_RDLOCK=0; AC_SUBST([REPLACE_PTHREAD_RWLOCK_RDLOCK])
REPLACE_PTHREAD_RWLOCK_WRLOCK=0; AC_SUBST([REPLACE_PTHREAD_RWLOCK_WRLOCK])
REPLACE_PTHREAD_RWLOCK_TRYRDLOCK=0; AC_SUBST([REPLACE_PTHREAD_RWLOCK_TRYRDLOCK])
REPLACE_PTHREAD_RWLOCK_TRYWRLOCK=0; AC_SUBST([REPLACE_PTHREAD_RWLOCK_TRYWRLOCK])
REPLACE_PTHREAD_RWLOCK_TIMEDRDLOCK=0; AC_SUBST([REPLACE_PTHREAD_RWLOCK_TIMEDRDLOCK])
REPLACE_PTHREAD_RWLOCK_TIMEDWRLOCK=0; AC_SUBST([REPLACE_PTHREAD_RWLOCK_TIMEDWRLOCK])
REPLACE_PTHREAD_RWLOCK_UNLOCK=0; AC_SUBST([REPLACE_PTHREAD_RWLOCK_UNLOCK])
REPLACE_PTHREAD_RWLOCK_DESTROY=0; AC_SUBST([REPLACE_PTHREAD_RWLOCK_DESTROY])
REPLACE_PTHREAD_COND_INIT=0; AC_SUBST([REPLACE_PTHREAD_COND_INIT])
REPLACE_PTHREAD_CONDATTR_INIT=0; AC_SUBST([REPLACE_PTHREAD_CONDATTR_INIT])
REPLACE_PTHREAD_CONDATTR_DESTROY=0; AC_SUBST([REPLACE_PTHREAD_CONDATTR_DESTROY])
REPLACE_PTHREAD_COND_WAIT=0; AC_SUBST([REPLACE_PTHREAD_COND_WAIT])
REPLACE_PTHREAD_COND_TIMEDWAIT=0; AC_SUBST([REPLACE_PTHREAD_COND_TIMEDWAIT])
REPLACE_PTHREAD_COND_SIGNAL=0; AC_SUBST([REPLACE_PTHREAD_COND_SIGNAL])
REPLACE_PTHREAD_COND_BROADCAST=0; AC_SUBST([REPLACE_PTHREAD_COND_BROADCAST])
REPLACE_PTHREAD_COND_DESTROY=0; AC_SUBST([REPLACE_PTHREAD_COND_DESTROY])
REPLACE_PTHREAD_KEY_CREATE=0; AC_SUBST([REPLACE_PTHREAD_KEY_CREATE])
REPLACE_PTHREAD_SETSPECIFIC=0; AC_SUBST([REPLACE_PTHREAD_SETSPECIFIC])
REPLACE_PTHREAD_GETSPECIFIC=0; AC_SUBST([REPLACE_PTHREAD_GETSPECIFIC])
REPLACE_PTHREAD_KEY_DELETE=0; AC_SUBST([REPLACE_PTHREAD_KEY_DELETE])
REPLACE_PTHREAD_SPIN_INIT=0; AC_SUBST([REPLACE_PTHREAD_SPIN_INIT])
REPLACE_PTHREAD_SPIN_LOCK=0; AC_SUBST([REPLACE_PTHREAD_SPIN_LOCK])
REPLACE_PTHREAD_SPIN_TRYLOCK=0; AC_SUBST([REPLACE_PTHREAD_SPIN_TRYLOCK])
REPLACE_PTHREAD_SPIN_UNLOCK=0; AC_SUBST([REPLACE_PTHREAD_SPIN_UNLOCK])
REPLACE_PTHREAD_SPIN_DESTROY=0; AC_SUBST([REPLACE_PTHREAD_SPIN_DESTROY])
])