* if not, see <http://www.gnu.org/licenses/>.
*/
-#include <stdio.h>
-
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
-#ifdef EFL_HAVE_POSIX_THREADS
-# include <pthread.h>
-#endif
+#include <stdio.h>
#ifdef EFL_HAVE_WIN32_THREADS
# define WIN32_LEAN_AND_MEAN
# undef WIN32_LEAN_AND_MEAN
#endif
+#ifdef EFL_HAVE_THREADS
+# ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+# endif
+# ifdef HAVE_UNISTD_H
+# include <unistd.h>
+# endif
+#endif
+
+#ifdef HAVE_MCHECK_H
+# ifdef HAVE_MTRACE
+# define MT 1
+# endif
+#endif
+
+#ifdef MT
+#include <mcheck.h>
+#endif
+
+#include "eina_lock.h"
#include "eina_config.h"
#include "eina_private.h"
#include "eina_types.h"
#include "eina_magic.h"
#include "eina_rectangle.h"
#include "eina_safety_checks.h"
-
-static Eina_Version _version = { VMAJ, VMIN, VMIC, VREV };
-EAPI Eina_Version *eina_version = &_version;
+#include "eina_inlist.h"
+#include "eina_inarray.h"
+#include "eina_value.h"
+/* no model for now
+#include "eina_model.h"
+ */
/*============================================================================*
* Local *
* @cond LOCAL
*/
+static Eina_Version _version = { VMAJ, VMIN, VMIC, VREV };
+
static int _eina_main_count = 0;
#ifdef EFL_HAVE_THREADS
static int _eina_main_thread_count = 0;
#endif
#define DBG(...) EINA_LOG_DOM_DBG(_eina_log_dom, __VA_ARGS__)
+EAPI Eina_Bool _eina_threads_activated = EINA_FALSE;
+EAPI Eina_Error EINA_ERROR_NOT_MAIN_LOOP = 0;
+
+static const char EINA_ERROR_NOT_MAIN_LOOP_STR[] = "Main loop thread check failed.";
+
#ifdef EFL_HAVE_THREADS
-static Eina_Bool _threads_activated = EINA_FALSE;
-# ifdef EFL_HAVE_POSIX_THREADS
-static pthread_mutex_t _mutex = PTHREAD_MUTEX_INITIALIZER;
-# define LOCK() if(_threads_activated) pthread_mutex_lock(&_mutex)
-# define UNLOCK() if(_threads_activated) pthread_mutex_unlock(&_mutex)
-# define UNLOCK_FORCE() pthread_mutex_unlock(&_mutex)
-# else /* EFL_HAVE_WIN32_THREADS */
-static HANDLE _mutex = NULL;
-# define LOCK() if(_threads_activated) WaitForSingleObject(_mutex, INFINITE)
-# define UNLOCK() if(_threads_activated) ReleaseMutex(_mutex)
-# define UNLOCK_FORCE() ReleaseMutex(_mutex)
+# ifdef _WIN32
+EAPI DWORD _eina_main_loop;
+# else
+EAPI pthread_t _eina_main_loop;
+# endif
+static pid_t _eina_pid;
+#endif
+
+#ifdef MT
+static int _mt_enabled = 0;
+#endif
+
+#ifdef EFL_HAVE_THREADS
+EAPI int _eina_threads_debug = 0;
+# if !defined(_WIN32_WCE) && !defined(_WIN32)
+EAPI pthread_mutex_t _eina_tracking_lock;
+EAPI Eina_Inlist *_eina_tracking = NULL;
# endif
-#else
-# define LOCK() do {} while (0)
-# define UNLOCK() do {} while (0)
-# define UNLOCK_FORCE() do {} while (0)
#endif
/* place module init/shutdown functions here to avoid other modules
S(magic_string);
S(iterator);
S(accessor);
+ S(inarray);
S(array);
S(module);
S(mempool);
S(strbuf);
S(ustrbuf);
S(quadtree);
+ S(simple_xml);
+ S(file);
+ S(prefix);
+ S(value);
+ S(tmpstr);
+ S(thread);
+/* no model for now
+ S(model);
+ */
#undef S
struct eina_desc_setup
static const struct eina_desc_setup _eina_desc_setup[] = {
#define S(x) {# x, eina_ ## x ## _init, eina_ ## x ## _shutdown}
/* log is a special case as it needs printf */
+ S(stringshare),
S(error),
S(safety_checks),
S(magic_string),
S(iterator),
S(accessor),
+ S(inarray),
S(array),
S(module),
S(mempool),
S(list),
S(binshare),
- S(stringshare),
S(ustringshare),
S(matrixsparse),
S(convert),
S(rectangle),
S(strbuf),
S(ustrbuf),
- S(quadtree)
+ S(quadtree),
+ S(simple_xml),
+ S(file),
+ S(prefix),
+ S(value),
+ S(tmpstr),
+ S(thread)
+/* no model for now
+ S(model)
+ */
#undef S
};
static const size_t _eina_desc_setup_len = sizeof(_eina_desc_setup) /
* Global *
*============================================================================*/
+
/*============================================================================*
* API *
*============================================================================*/
/**
- * @addtogroup Eina_Main_Group Main
- *
- * @brief These functions provide general initialisation and shut down
- * functions.
- *
- * @{
+ * @var eina_version
+ * @brief Eina version (defined at configuration time)
*/
+EAPI Eina_Version *eina_version = &_version;
-/**
- * @brief Initialize the Eina library.
- *
- * @return 1 or greater on success, 0 on error.
- *
- * This function sets up all the eina modules. It returns 0 on
- * failure (that is, when one of the module fails to initialize),
- * otherwise it returns the number of times it has already been
- * called.
- *
- * When Eina is not used anymore, call eina_shutdown() to shut down
- * the Eina library.
- */
EAPI int
eina_init(void)
{
if (EINA_LIKELY(_eina_main_count > 0))
return ++_eina_main_count;
+#ifdef MT
+ if ((getenv("EINA_MTRACE")) && (getenv("MALLOC_TRACE")))
+ {
+ _mt_enabled = 1;
+ mtrace();
+ }
+#endif
+
if (!eina_log_init())
{
fprintf(stderr, "Could not initialize eina logging system.\n");
return 0;
}
+ EINA_ERROR_NOT_MAIN_LOOP = eina_error_msg_static_register(
+ EINA_ERROR_NOT_MAIN_LOOP_STR);
+
+#ifdef EFL_HAVE_THREADS
+# ifdef _WIN32
+ _eina_main_loop = GetCurrentThreadId();
+# else
+ _eina_main_loop = pthread_self();
+# endif
+ _eina_pid = getpid();
+#endif
+
+#ifdef EINA_HAVE_DEBUG_THREADS
+ pthread_mutex_init(&_eina_tracking_lock, NULL);
+
+ if (getenv("EINA_DEBUG_THREADS"))
+ _eina_threads_debug = atoi(getenv("EINA_DEBUG_THREADS"));
+#endif
+
itr = _eina_desc_setup;
itr_end = itr + _eina_desc_setup_len;
for (; itr < itr_end; itr++)
}
}
+ eina_cpu_count_internal();
+
_eina_main_count = 1;
return 1;
}
-/**
- * @brief Shut down the Eina library.
- *
- * @return 0 when all the modules is completely shut down, 1 or
- * greater otherwise.
- *
- * This function shuts down the Eina library. It returns 0 when it has
- * been called the same number of times than eina_init(). In that case
- * it shut down all the Eina modules.
- *
- * Once this function succeeds (that is, @c 0 is returned), you must
- * not call any of the Eina function anymore. You must call
- * eina_init() again to use the Eina functions again.
- */
EAPI int
eina_shutdown(void)
{
+ if (_eina_main_count <= 0)
+ {
+ ERR("Init count not greater than 0 in shutdown.");
+ return 0;
+ }
_eina_main_count--;
if (EINA_UNLIKELY(_eina_main_count == 0))
- _eina_shutdown_from_desc(_eina_desc_setup + _eina_desc_setup_len);
+ {
+ _eina_shutdown_from_desc(_eina_desc_setup + _eina_desc_setup_len);
+
+#ifdef EINA_HAVE_DEBUG_THREADS
+ pthread_mutex_destroy(&_eina_tracking_lock);
+#endif
+#ifdef MT
+ if (_mt_enabled)
+ {
+ muntrace();
+ _mt_enabled = 0;
+ }
+#endif
+ }
return _eina_main_count;
}
-/**
- * @brief Initialize the mutexs of the Eina library.
- *
- * @return 1 or greater on success, 0 on error.
- *
- * This function sets up all the mutexs in all eina modules. It returns 0 on
- * failure (that is, when one of the module fails to initialize),
- * otherwise it returns the number of times it has already been
- * called.
- *
- * When the mutexs are not used anymore, call eina_thread_shutdown() to shut down
- * the mutexs.
- */
EAPI int
eina_threads_init(void)
{
#ifdef EFL_HAVE_THREADS
int ret;
-# ifdef EFL_HAVE_WIN32_THREADS
- if (!_mutex)
- _mutex = CreateMutex(NULL, FALSE, NULL);
-
- if (!_mutex)
- return 0;
-
-# endif
+#ifdef EINA_HAVE_DEBUG_THREADS
+ assert(pthread_equal(_eina_main_loop, pthread_self()));
+#endif
- LOCK();
++_eina_main_thread_count;
ret = _eina_main_thread_count;
if(_eina_main_thread_count > 1)
- {
- UNLOCK();
- return ret;
- }
+ return ret;
eina_share_common_threads_init();
eina_log_threads_init();
-#ifdef EFL_HAVE_POSIX_THREADS_RWLOCK
- eina_array_threadsafety_init();
-#endif
- _threads_activated = EINA_TRUE;
+ _eina_threads_activated = EINA_TRUE;
return ret;
#else
#endif
}
-/**
- * @brief Shut down mutexs in the Eina library.
- *
- * @return 0 when all mutexs are completely shut down, 1 or
- * greater otherwise.
- *
- * This function shuts down the mutexs in the Eina library. It returns 0 when it has
- * been called the same number of times than eina_thread_init(). In that case
- * it shut down all the mutexs.
- *
- * Once this function succeeds (that is, @c 0 is returned), you must
- * not call any of the Eina function in a thread anymore. You must call
- * eina_thread_init() again to use the Eina functions in a thread again.
- */
EAPI int
eina_threads_shutdown(void)
{
#ifdef EFL_HAVE_THREADS
int ret;
- LOCK();
+#ifdef EINA_HAVE_DEBUG_THREADS
+ const Eina_Lock *lk;
+
+ assert(pthread_equal(_eina_main_loop, pthread_self()));
+ assert(_eina_main_thread_count > 0);
+#endif
+
ret = --_eina_main_thread_count;
if(_eina_main_thread_count > 0)
+ return ret;
+
+#ifdef EINA_HAVE_DEBUG_THREADS
+ pthread_mutex_lock(&_eina_tracking_lock);
+ if (_eina_tracking)
{
- UNLOCK();
- return ret;
+ fprintf(stderr, "*************************\n");
+ fprintf(stderr, "* The IMPOSSIBLE HAPPEN *\n");
+ fprintf(stderr, "* LOCK STILL TAKEN : *\n");
+ fprintf(stderr, "*************************\n");
+ EINA_INLIST_FOREACH(_eina_tracking, lk)
+ {
+ fprintf(stderr, "=======\n");
+ eina_lock_debug(lk);
+ }
+ fprintf(stderr, "*************************\n");
+ abort();
}
+ pthread_mutex_unlock(&_eina_tracking_lock);
+#endif
eina_share_common_threads_shutdown();
eina_log_threads_shutdown();
-#ifdef EFL_HAVE_POSIX_THREADS_RWLOCK
- eina_array_threadsafety_shutdown();
-#endif
-
- _threads_activated = EINA_FALSE;
- UNLOCK_FORCE();
+ _eina_threads_activated = EINA_FALSE;
-# ifdef EFL_HAVE_WIN32_THREADS
- if (_mutex)
- CloseHandle(_mutex);
+ return ret;
+#else
+ return 0;
+#endif
+}
+EAPI Eina_Bool
+eina_main_loop_is(void)
+{
+#ifdef EFL_HAVE_THREADS
+ pid_t pid;
+
+# ifdef _WIN32
+ if (_eina_main_loop == GetCurrentThreadId())
+ return EINA_TRUE;
+# else
+ if (pthread_equal(_eina_main_loop, pthread_self()))
+ return EINA_TRUE;
# endif
- return ret;
+ pid = getpid();
+# ifdef _WIN32
+ if (pid != _eina_pid)
+ {
+ _eina_pid = pid;
+ _eina_main_loop = GetCurrentThreadId();
+ return EINA_TRUE;
+ }
#else
- return 0;
+ if (pid != _eina_pid)
+ {
+ /* This is in case of a fork, but don't like the solution */
+ _eina_pid = pid;
+ _eina_main_loop = pthread_self();
+ return EINA_TRUE;
+ }
+#endif
+#endif
+
+ return EINA_FALSE;
+}
+
+/** The purpose of this API should not be documented, it is used only by the one who know what they are doing. */
+EAPI void
+eina_main_loop_define(void)
+{
+#ifdef EFL_HAVE_THREADS
+ _eina_pid = getpid();
+# ifdef _WIN32
+ _eina_main_loop = GetCurrentThreadId();
+# else
+ _eina_main_loop = pthread_self();
+# endif
#endif
}
projects / profile / ivi / eina.git / blobdiff