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Mac OS X does not support comparing a mutex to its initializer. Create a test for this.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@256370 65c4cc65-6c06-0410-ace0-fbb531ad65f3
certified/1.8.6
Tilghman Lesher 15 years ago
parent d3f44c979c
commit bcbafc800e
4 changed files with 97 additions and 19 deletions
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62
configure vendored
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@ -1,5 +1,5 @@
#! /bin/sh
# From configure.ac Revision: 251263 .
# From configure.ac Revision: 252980 .
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.61 for asterisk 1.6.
#
@ -18538,6 +18538,66 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
# Can we compare a mutex to its initial value?
# Generally yes on OpenBSD/FreeBSD and no on Mac OS X.
{ echo "$as_me:$LINENO: checking whether we can compare a mutex to its initial value" >&5
echo $ECHO_N "checking whether we can compare a mutex to its initial value... $ECHO_C" >&6; }
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#include <pthread.h>
int
main ()
{
pthread_mutex_t lock;
if ((lock) != ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
return 0;
}
return 0
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (ac_try="$ac_link"
case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
(eval "$ac_link") 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } && {
test -z "$ac_c_werror_flag" ||
test ! -s conftest.err
} && test -s conftest$ac_exeext &&
$as_test_x conftest$ac_exeext; then
{ echo "$as_me:$LINENO: result: yes" >&5
echo "${ECHO_T}yes" >&6; }
cat >>confdefs.h <<\_ACEOF
#define CAN_COMPARE_MUTEX_TO_INIT_VALUE 1
_ACEOF
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
{ echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
fi
rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
conftest$ac_exeext conftest.$ac_ext
#if test "${cross_compiling}" = "no";
#then
#AC_MSG_CHECKING(for working epoll support)

14
configure.ac
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@ -595,6 +595,20 @@ fi
AST_C_DEFINE_CHECK([PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP], [PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP], [pthread.h])
# Can we compare a mutex to its initial value?
# Generally yes on OpenBSD/FreeBSD and no on Mac OS X.
AC_MSG_CHECKING(whether we can compare a mutex to its initial value)
AC_LINK_IFELSE(
AC_LANG_PROGRAM([#include <pthread.h>], [pthread_mutex_t lock;
if ((lock) != ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
return 0;
}
return 0]),
AC_MSG_RESULT(yes)
AC_DEFINE([CAN_COMPARE_MUTEX_TO_INIT_VALUE], 1, [Define to 1 if your system's implementation of mutexes supports comparison of a mutex to its initializer.]),
AC_MSG_RESULT(no)
)
#if test "${cross_compiling}" = "no";
#then
#AC_MSG_CHECKING(for working epoll support)

4
include/asterisk/autoconfig.h.in
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@ -10,6 +10,10 @@
/* Define to 1 if internal poll should be used. */
#undef AST_POLL_COMPAT
/* Define to 1 if your system's implementation of mutexes supports comparison
of a mutex to its initializer. */
#undef CAN_COMPARE_MUTEX_TO_INIT_VALUE
/* Define to 1 if the `closedir' function returns void instead of `int'. */
#undef CLOSEDIR_VOID

36
include/asterisk/lock.h
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@ -83,7 +83,7 @@
#define AST_PTHREADT_NULL (pthread_t) -1
#define AST_PTHREADT_STOP (pthread_t) -2
#if (defined(SOLARIS) || defined(BSD)) && !defined(__Darwin__)
#if (defined(SOLARIS) || defined(BSD))
#define AST_MUTEX_INIT_W_CONSTRUCTORS
#endif /* SOLARIS || BSD */
@ -380,7 +380,7 @@ static inline int __ast_pthread_mutex_init(int tracking, const char *filename, i
int res;
pthread_mutexattr_t attr;
#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
#if defined(AST_MUTEX_INIT_W_CONSTRUCTORS) && defined(CAN_COMPARE_MUTEX_TO_INIT_VALUE)
if ((t->mutex) != ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
/*
@ -417,7 +417,7 @@ static inline int __ast_pthread_mutex_destroy(const char *filename, int lineno,
struct ast_lock_track *lt;
int canlog = strcmp(filename, "logger.c") & t->tracking;
#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
#if defined(AST_MUTEX_INIT_W_CONSTRUCTORS) && defined(CAN_COMPARE_MUTEX_TO_INIT_VALUE)
if ((t->mutex) == ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
/* Don't try to uninitialize non initialized mutex
* This may no effect on linux
@ -485,7 +485,7 @@ static inline int __ast_pthread_mutex_lock(const char *filename, int lineno, con
struct ast_bt *bt = NULL;
#endif
#if defined(AST_MUTEX_INIT_W_CONSTRUCTORS)
#if defined(AST_MUTEX_INIT_W_CONSTRUCTORS) && defined(CAN_COMPARE_MUTEX_TO_INIT_VALUE)
if ((t->mutex) == ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
/* Don't warn abount uninitialized mutex.
* Simple try to initialize it.
@ -609,7 +609,7 @@ static inline int __ast_pthread_mutex_trylock(const char *filename, int lineno,
struct ast_bt *bt = NULL;
#endif
#if defined(AST_MUTEX_INIT_W_CONSTRUCTORS)
#if defined(AST_MUTEX_INIT_W_CONSTRUCTORS) && defined(CAN_COMPARE_MUTEX_TO_INIT_VALUE)
if ((t->mutex) == ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
/* Don't warn abount uninitialized mutex.
* Simple try to initialize it.
@ -671,7 +671,7 @@ static inline int __ast_pthread_mutex_unlock(const char *filename, int lineno, c
struct ast_bt *bt = NULL;
#endif
#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
#if defined(AST_MUTEX_INIT_W_CONSTRUCTORS) && defined(CAN_COMPARE_MUTEX_TO_INIT_VALUE)
if ((t->mutex) == ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
__ast_mutex_logger("%s line %d (%s): Error: mutex '%s' is uninitialized.\n",
filename, lineno, func, mutex_name);
@ -768,7 +768,7 @@ static inline int __ast_cond_wait(const char *filename, int lineno, const char *
struct ast_bt *bt = NULL;
#endif
#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
#if defined(AST_MUTEX_INIT_W_CONSTRUCTORS) && defined(CAN_COMPARE_MUTEX_TO_INIT_VALUE)
if ((t->mutex) == ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
__ast_mutex_logger("%s line %d (%s): Error: mutex '%s' is uninitialized.\n",
filename, lineno, func, mutex_name);
@ -866,7 +866,7 @@ static inline int __ast_cond_timedwait(const char *filename, int lineno, const c
struct ast_bt *bt = NULL;
#endif
#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
#if defined(AST_MUTEX_INIT_W_CONSTRUCTORS) && defined(CAN_COMPARE_MUTEX_TO_INIT_VALUE)
if ((t->mutex) == ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
__ast_mutex_logger("%s line %d (%s): Error: mutex '%s' is uninitialized.\n",
filename, lineno, func, mutex_name);
@ -1011,8 +1011,8 @@ static inline int __ast_rwlock_init(int tracking, const char *filename, int line
struct ast_lock_track *lt= &t->track;
pthread_rwlockattr_t attr;
#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
int canlog = strcmp(filename, "logger.c") & t->tracking;
#if defined(AST_MUTEX_INIT_W_CONSTRUCTORS) && defined(CAN_COMPARE_MUTEX_TO_INIT_VALUE)
int canlog = strcmp(filename, "logger.c") & t->tracking;
if (t->lock != ((pthread_rwlock_t) __AST_RWLOCK_INIT_VALUE)) {
__ast_mutex_logger("%s line %d (%s): Warning: rwlock '%s' is already initialized.\n",
@ -1040,7 +1040,7 @@ static inline int __ast_rwlock_destroy(const char *filename, int lineno, const c
struct ast_lock_track *lt = &t->track;
int canlog = strcmp(filename, "logger.c") & t->tracking;
#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
#if defined(AST_MUTEX_INIT_W_CONSTRUCTORS) && defined(CAN_COMPARE_MUTEX_TO_INIT_VALUE)
if (t->lock == ((pthread_rwlock_t) __AST_RWLOCK_INIT_VALUE)) {
__ast_mutex_logger("%s line %d (%s): Warning: rwlock '%s' is uninitialized.\n",
filename, lineno, func, rwlock_name);
@ -1079,7 +1079,7 @@ static inline int _ast_rwlock_unlock(ast_rwlock_t *t, const char *name,
int lock_found = 0;
#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
#if defined(AST_MUTEX_INIT_W_CONSTRUCTORS) && defined(CAN_COMPARE_MUTEX_TO_INIT_VALUE)
if ((t->lock) == ((pthread_rwlock_t) __AST_RWLOCK_INIT_VALUE)) {
__ast_mutex_logger("%s line %d (%s): Warning: rwlock '%s' is uninitialized.\n",
filename, line, func, name);
@ -1152,7 +1152,7 @@ static inline int _ast_rwlock_rdlock(ast_rwlock_t *t, const char *name,
struct ast_bt *bt = NULL;
#endif
#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
#if defined(AST_MUTEX_INIT_W_CONSTRUCTORS) && defined(CAN_COMPARE_MUTEX_TO_INIT_VALUE)
if ((t->lock) == ((pthread_rwlock_t) __AST_RWLOCK_INIT_VALUE)) {
/* Don't warn abount uninitialized lock.
* Simple try to initialize it.
@ -1260,7 +1260,7 @@ static inline int _ast_rwlock_wrlock(ast_rwlock_t *t, const char *name,
struct ast_bt *bt = NULL;
#endif
#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
#if defined(AST_MUTEX_INIT_W_CONSTRUCTORS) && defined(CAN_COMPARE_MUTEX_TO_INIT_VALUE)
if ((t->lock) == ((pthread_rwlock_t) __AST_RWLOCK_INIT_VALUE)) {
/* Don't warn abount uninitialized lock.
* Simple try to initialize it.
@ -1370,7 +1370,7 @@ static inline int _ast_rwlock_timedrdlock(ast_rwlock_t *t, const char *name,
struct ast_bt *bt = NULL;
#endif
#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
#if defined(AST_MUTEX_INIT_W_CONSTRUCTORS) && defined(CAN_COMPARE_MUTEX_TO_INIT_VALUE)
if ((t->lock) == ((pthread_rwlock_t) __AST_RWLOCK_INIT_VALUE)) {
/* Don't warn abount uninitialized lock.
* Simple try to initialize it.
@ -1465,7 +1465,7 @@ static inline int _ast_rwlock_timedwrlock(ast_rwlock_t *t, const char *name,
struct ast_bt *bt = NULL;
#endif
#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
#if defined(AST_MUTEX_INIT_W_CONSTRUCTORS) && defined(CAN_COMPARE_MUTEX_TO_INIT_VALUE)
if ((t->lock) == ((pthread_rwlock_t) __AST_RWLOCK_INIT_VALUE)) {
/* Don't warn abount uninitialized lock.
* Simple try to initialize it.
@ -1555,7 +1555,7 @@ static inline int _ast_rwlock_tryrdlock(ast_rwlock_t *t, const char *name,
#ifdef HAVE_BKTR
struct ast_bt *bt = NULL;
#endif
#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
#if defined(AST_MUTEX_INIT_W_CONSTRUCTORS) && defined(CAN_COMPARE_MUTEX_TO_INIT_VALUE)
int canlog = strcmp(filename, "logger.c") & t->tracking;
if ((t->lock) == ((pthread_rwlock_t) __AST_RWLOCK_INIT_VALUE)) {
@ -1613,7 +1613,7 @@ static inline int _ast_rwlock_trywrlock(ast_rwlock_t *t, const char *name,
#ifdef HAVE_BKTR
struct ast_bt *bt = NULL;
#endif
#ifdef AST_MUTEX_INIT_W_CONSTRUCTORS
#if defined(AST_MUTEX_INIT_W_CONSTRUCTORS) && defined(CAN_COMPARE_MUTEX_TO_INIT_VALUE)
int canlog = strcmp(filename, "logger.c") & t->tracking;
if ((t->lock) == ((pthread_rwlock_t) __AST_RWLOCK_INIT_VALUE)) {

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