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Code Issues Releases Activity

timed thread stuff

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git-svn-id: https://conky.svn.sourceforge.net/svnroot/conky/trunk/conky1@950 7f574dfc-610e-0410-a909-a81674777703
This commit is contained in:
Philip Kovacs 2007-09-02 00:58:42 +00:00
parent 06f05f5da8
commit 4515925991
1 changed files with 8 additions and 19 deletions
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27
src/timed_thread.c
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@ -47,7 +47,6 @@ struct _timed_thread
pthread_cond_t runnable_cond; /* signalled to stop the thread */
void *(*start_routine)(void*); /* thread function to run */
void *arg; /* thread function argument */
struct timespec absolute_time; /* absolute future time next timed_thread_test will wait until */
struct timespec interval_time; /* interval_usecs as a struct timespec */
};
@ -105,9 +104,6 @@ timed_thread_create (void *(*start_routine)(void*), void *arg, unsigned int inte
p_timed_thread->start_routine = start_routine;
p_timed_thread->arg = arg;
p_timed_thread->absolute_time.tv_sec=0;
p_timed_thread->absolute_time.tv_nsec=0;
/* seconds portion of the microseconds interval */
p_timed_thread->interval_time.tv_sec = (time_t)(interval_usecs / 1000000);
/* remaining microseconds convert to nanoseconds */
@ -178,19 +174,17 @@ timed_thread_unlock (timed_thread* p_timed_thread)
int
timed_thread_test (timed_thread* p_timed_thread)
{
struct timespec nowtime;
struct timespec wait_time;
int rc;
assert (p_timed_thread != NULL);
/* adjust wait time to now if absolute_time drifted behind */
now (&nowtime);
if ( ((nowtime.tv_sec * 1000000000) + nowtime.tv_nsec) >
((p_timed_thread->absolute_time.tv_sec * 1000000000) + p_timed_thread->absolute_time.tv_nsec) )
{
p_timed_thread->absolute_time.tv_sec = nowtime.tv_sec;
p_timed_thread->absolute_time.tv_nsec = nowtime.tv_nsec;
}
if (now (&wait_time)) return (-1);
/* move the clock backward 1 sec to shift sync slightly earlier than UI thread */
wait_time.tv_sec -= 1;
/* now add in the wait interval */
wait_time.tv_sec += p_timed_thread->interval_time.tv_sec;
wait_time.tv_nsec += p_timed_thread->interval_time.tv_nsec;
/* acquire runnable_cond mutex */
if (pthread_mutex_lock (&p_timed_thread->runnable_mutex))
@ -199,14 +193,10 @@ timed_thread_test (timed_thread* p_timed_thread)
/* release mutex and wait until future time for runnable_cond to signal */
rc = pthread_cond_timedwait (&p_timed_thread->runnable_cond,
&p_timed_thread->runnable_mutex,
&p_timed_thread->absolute_time);
&wait_time);
/* mutex re-acquired, so release it */
pthread_mutex_unlock (&p_timed_thread->runnable_mutex);
/* absolute future time for next pass */
p_timed_thread->absolute_time.tv_sec += p_timed_thread->interval_time.tv_sec;
p_timed_thread->absolute_time.tv_nsec += p_timed_thread->interval_time.tv_nsec;
if (rc==0)
return 1; /* runnable_cond was signaled, so tell caller to exit thread */
@ -231,7 +221,6 @@ timed_thread_register (timed_thread* p_timed_thread, timed_thread** addr_of_p_ti
{
timed_thread_node *p_node;
assert (p_timed_thread != NULL);
assert ((addr_of_p_timed_thread == NULL) || (*addr_of_p_timed_thread == p_timed_thread));
if ((p_node = calloc (sizeof (timed_thread_node), 1)) == 0)