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auto import from //branches/cupcake/...@127101

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The Android Open Source Project
2009-01-20 14:03:55 -08:00
parent e5cc1f386b
commit d37527501c
7 changed files with 186 additions and 37 deletions
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23
libc/bionic/pthread-timers.c
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@@ -144,6 +144,9 @@ thr_timer_table_alloc( thr_timer_table_t* t )
{
thr_timer_t* timer;
if (t == NULL)
return NULL;
pthread_mutex_lock(&t->lock);
timer = t->free_timer;
if (timer != NULL) {
@@ -201,7 +204,7 @@ thr_timer_table_from_id( thr_timer_table_t* t,
unsigned index;
thr_timer_t* timer;
if (!TIMER_ID_IS_WRAPPED(id))
if (t == NULL || !TIMER_ID_IS_WRAPPED(id))
return NULL;
index = (unsigned) TIMER_ID_UNWRAP(id);
@@ -226,15 +229,21 @@ thr_timer_table_from_id( thr_timer_table_t* t,
return timer;
}
/* the static timer table */
/* the static timer table - we only create it if the process
* really wants to use SIGEV_THREAD timers, which should be
* pretty infrequent
*/
static pthread_once_t __timer_table_once = PTHREAD_ONCE_INIT;
static thr_timer_table_t __timer_table[1];
static thr_timer_table_t* __timer_table;
static void
__timer_table_init( void )
{
thr_timer_table_init( __timer_table );
__timer_table = calloc(1,sizeof(*__timer_table));
if (__timer_table != NULL)
thr_timer_table_init( __timer_table );
}
static thr_timer_table_t*
@@ -254,8 +263,10 @@ __timer_table_get(void)
void
__timer_table_start_stop( int stop )
{
thr_timer_table_t* table = __timer_table_get();
thr_timer_table_start_stop(table, stop);
if (__timer_table != NULL) {
thr_timer_table_t* table = __timer_table_get();
thr_timer_table_start_stop(table, stop);
}
}
static thr_timer_t*