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auto-init threads and fix spinlock initialization checks. 

* it is valid to use eina_log_threads_enable() without
   eina_threads_init(), so call eina_log_threads_init() in that case.

 * pthread_spin_init() returns 0 on success! check that and report any errors.



SVN revision: 53169
This commit is contained in:
Gustavo Sverzut Barbieri 2010-10-07 22:14:03 +00:00
parent 2f3b2b99e5
commit b11b2f95b5
1 changed files with 23 additions and 4 deletions
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27
legacy/eina/src/lib/eina_log.c
View File

@ -266,6 +266,7 @@
#include <stdlib.h>
#include <fnmatch.h>
#include <assert.h>
#include <errno.h>
#ifndef _MSC_VER
# include <unistd.h>
@ -340,6 +341,7 @@ static int _abort_level_on_critical = EINA_LOG_LEVEL_CRITICAL;
#ifdef EFL_HAVE_THREADS
static Eina_Bool _threads_enabled = EINA_FALSE;
static Eina_Bool _threads_inited = EINA_FALSE;
# ifdef EFL_HAVE_POSIX_THREADS
@ -364,6 +366,18 @@ static pthread_t _main_thread;
# ifdef EFL_HAVE_POSIX_THREADS_SPINLOCK
static pthread_spinlock_t _log_lock;
static Eina_Bool _eina_log_spinlock_init(void)
{
if (pthread_spin_init(&_log_lock, PTHREAD_PROCESS_PRIVATE) == 0)
return EINA_TRUE;
fprintf(stderr,
"ERROR: pthread_spin_init(%p, PTHREAD_PROCESS_PRIVATE): %s\n",
&_log_lock, strerror(errno));
return EINA_FALSE;
}
# define LOG_LOCK() \
if (_threads_enabled) \
do { \
@ -383,7 +397,7 @@ static pthread_spinlock_t _log_lock;
"---LOG LOG_UNLOCKED! [%s, %lu]\n", \
__FUNCTION__, (unsigned long)pthread_self()); } \
} while (0)
# define INIT() pthread_spin_init(&_log_lock, PTHREAD_PROCESS_PRIVATE)
# define INIT() _eina_log_spinlock_init()
# define SHUTDOWN() pthread_spin_destroy(&_log_lock)
# else /* ! EFL_HAVE_POSIX_THREADS_SPINLOCK */
@ -1686,9 +1700,10 @@ eina_log_shutdown(void)
void
eina_log_threads_init(void)
{
if (_threads_inited) return;
_main_thread = SELF();
if (INIT())
_threads_enabled = EINA_TRUE;
if (!INIT()) return;
_threads_inited = EINA_TRUE;
}
/**
@ -1703,9 +1718,11 @@ eina_log_threads_init(void)
void
eina_log_threads_shutdown(void)
{
if (!_threads_inited) return;
CHECK_MAIN();
SHUTDOWN();
_threads_enabled = EINA_FALSE;
_threads_inited = EINA_FALSE;
}
#endif
@ -1836,7 +1853,9 @@ EAPI void
eina_log_threads_enable(void)
{
#ifdef EFL_HAVE_THREADS
_threads_enabled = 1;
if (_threads_enabled) return;
if (!_threads_inited) eina_log_threads_init();
_threads_enabled = EINA_TRUE;
eina_log_print_prefix_update();
#endif
}