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Make various thread structures omit the bits only used in debug mode.

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Some of these are pretty heavily used, so saving 10-20 bytes each can be
quite significant.

No functional differences.

svn path=/trunk/thread/; revision=4401
This commit is contained in:
Michael Smith 2003-03-04 15:31:34 +00:00
parent 81f9551da0
commit 4c08a155c7
2 changed files with 36 additions and 5 deletions
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34
src/thread/thread.c
View File

@ -84,26 +84,44 @@ typedef struct thread_start_tag {
pthread_t sys_thread;
} thread_start_t;
static int _logid = -1;
static long _next_thread_id = 0;
static int _initialized = 0;
static avl_tree *_threadtree = NULL;
#ifdef DEBUG_MUTEXES
static mutex_t _threadtree_mutex = { -1, NULL, MUTEX_STATE_UNINIT, NULL, -1,
PTHREAD_MUTEX_INITIALIZER};
#else
static mutex_t _threadtree_mutex = { PTHREAD_MUTEX_INITIALIZER };
#endif
#ifdef DEBUG_MUTEXES
static int _logid = -1;
static long _next_mutex_id = 0;
static avl_tree *_mutextree = NULL;
static mutex_t _mutextree_mutex = { -1, NULL, MUTEX_STATE_UNINIT, NULL, -1,
PTHREAD_MUTEX_INITIALIZER};
#endif
#ifdef DEBUG_MUTEXES
static mutex_t _library_mutex = { -1, NULL, MUTEX_STATE_UNINIT, NULL, -1,
PTHREAD_MUTEX_INITIALIZER};
#else
static mutex_t _library_mutex = { PTHREAD_MUTEX_INITIALIZER };
#endif
/* INTERNAL FUNCTIONS */
/* avl tree functions */
#ifdef DEBUG_MUTEXES
static int _compare_mutexes(void *compare_arg, void *a, void *b);
static int _compare_threads(void *compare_arg, void *a, void *b);
static int _free_mutex(void *key);
#endif
static int _compare_threads(void *compare_arg, void *a, void *b);
static int _free_thread(void *key);
static int _free_thread_if_detached(void *key);
@ -131,6 +149,7 @@ void thread_initialize(void)
log_set_level(_logid, THREAD_DEBUG);
#endif
#ifdef DEBUG_MUTEXES
/* create all the internal mutexes, and initialize the mutex tree */
_mutextree = avl_tree_new(_compare_mutexes, NULL);
@ -140,7 +159,6 @@ void thread_initialize(void)
*/
_mutex_create(&_mutextree_mutex);
#ifdef DEBUG_MUTEXES
_mutextree_mutex.mutex_id = _next_mutex_id++;
avl_insert(_mutextree, (void *)&_mutextree_mutex);
#endif
@ -173,9 +191,11 @@ void thread_shutdown(void)
if (_initialized == 1) {
thread_mutex_destroy(&_library_mutex);
thread_mutex_destroy(&_threadtree_mutex);
#ifdef THREAD_DEBUG
thread_mutex_destroy(&_mutextree_mutex);
avl_tree_free(_mutextree, _free_mutex);
#endif
avl_tree_free(_threadtree, _free_thread);
}
@ -290,8 +310,10 @@ thread_type *thread_create_c(char *name, void *(*start_routine)(void *),
*/
static void _mutex_create(mutex_t *mutex)
{
#ifdef DEBUG_MUTEXES
mutex->thread_id = MUTEX_STATE_NEVERLOCKED;
mutex->line = -1;
#endif
pthread_mutex_init(&mutex->sys_mutex, NULL);
}
@ -497,8 +519,6 @@ void thread_cond_wait_c(cond_t *cond, int line, char *file)
pthread_mutex_unlock(&cond->cond_mutex);
}
static int rwlocknum = 0;
void thread_rwlock_create_c(rwlock_t *rwlock, int line, char *file)
{
pthread_rwlock_init(&rwlock->sys_rwlock, NULL);
@ -719,6 +739,7 @@ void thread_join(thread_type *thread)
/* AVL tree functions */
#ifdef DEBUG_MUTEXES
static int _compare_mutexes(void *compare_arg, void *a, void *b)
{
mutex_t *m1, *m2;
@ -732,6 +753,7 @@ static int _compare_mutexes(void *compare_arg, void *a, void *b)
return -1;
return 0;
}
#endif
static int _compare_threads(void *compare_arg, void *a, void *b)
{
@ -747,6 +769,7 @@ static int _compare_threads(void *compare_arg, void *a, void *b)
return 0;
}
#ifdef DEBUG_MUTEXES
static int _free_mutex(void *key)
{
mutex_t *m;
@ -762,6 +785,7 @@ static int _free_mutex(void *key)
return 1;
}
#endif
static int _free_thread(void *key)
{

7
src/thread/thread.h
View File

@ -46,6 +46,7 @@ typedef struct thread_tag {
} thread_type;
typedef struct mutex_tag {
#ifdef DEBUG_MUTEXES
/* the local id and name of the mutex */
long mutex_id;
char *name;
@ -57,19 +58,24 @@ typedef struct mutex_tag {
char *file;
int line;
#endif
/* the system specific mutex */
pthread_mutex_t sys_mutex;
} mutex_t;
typedef struct cond_tag {
#ifdef THREAD_DEBUG
long cond_id;
char *name;
#endif
pthread_mutex_t cond_mutex;
pthread_cond_t sys_cond;
} cond_t;
typedef struct rwlock_tag {
#ifdef THREAD_DEBUG
long rwlock_id;
char *name;
@ -79,6 +85,7 @@ typedef struct rwlock_tag {
long thread_id;
char *file;
int line;
#endif
pthread_rwlock_t sys_rwlock;
} rwlock_t;