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speed up semaphore allocation with an flist

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/lennart@1909 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-09-28 00:29:51 +00:00
parent 008c709900
commit 107f12ae3c
1 changed files with 14 additions and 7 deletions
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11
src/pulsecore/asyncmsgq.c
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@ -40,6 +40,7 @@
#include "asyncmsgq.h"
PA_STATIC_FLIST_DECLARE(asyncmsgq, 0, pa_xfree);
PA_STATIC_FLIST_DECLARE(semaphores, 0, (void(*)(void*)) pa_semaphore_free);
struct asyncmsgq_item {
int code;
@ -154,7 +155,11 @@ int pa_asyncmsgq_send(pa_asyncmsgq *a, pa_msgobject *object, int code, const voi
i.memchunk = *chunk;
} else
pa_memchunk_reset(&i.memchunk);
pa_assert_se(i.semaphore = pa_semaphore_new(0));
if (!(i.semaphore = pa_flist_pop(PA_STATIC_FLIST_GET(semaphores))))
i.semaphore = pa_semaphore_new(0);
pa_assert_se(i.semaphore);
/* Thus mutex makes the queue multiple-writer safe. This lock is only used on the writing side */
pa_mutex_lock(a->mutex);
@ -162,7 +167,9 @@ int pa_asyncmsgq_send(pa_asyncmsgq *a, pa_msgobject *object, int code, const voi
pa_mutex_unlock(a->mutex);
pa_semaphore_wait(i.semaphore);
pa_semaphore_free(i.semaphore);
if (pa_flist_push(PA_STATIC_FLIST_GET(semaphores), i.semaphore) < 0)
pa_semaphore_free(i.semaphore);
return i.ret;
}