diff options
| author | Neal H. Walfield <neal@gnu.org> | 2008-05-27 18:29:48 +0000 |
|---|---|---|
| committer | Thomas Schwinge <tschwinge@gnu.org> | 2009-04-07 23:15:57 +0200 |
| commit | 9acc87073cfc18eaa2ea5b46fa81f239d6b32b31 (patch) | |
| tree | 6fdf1dea70c026889ea3cebc0f2f1ad69c1b2185 /pthread | |
| parent | b80d473696a1664926a10af0f473237cde1c1cdb (diff) | |
2008-05-27 Neal H. Walfield <neal@gnu.org>
* pthread/pt-internal.h (__pthread_queue_iterate): Before
returning the current element, save its next pointer.
(__pthread_dequeuing_iterate): Likewise.
* sysdeps/l4/hurd/pt-wakeup.c (__pthread_wakeup): Loop until we
successfully wake THREAD.
Diffstat (limited to 'pthread')
| -rw-r--r-- | pthread/pt-internal.h | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/pthread/pt-internal.h b/pthread/pt-internal.h index 41fbc830..853d739d 100644 --- a/pthread/pt-internal.h +++ b/pthread/pt-internal.h @@ -122,15 +122,22 @@ __pthread_dequeue (struct __pthread *thread) } /* Iterate over QUEUE storing each element in ELEMENT. */ -#define __pthread_queue_iterate(queue, element) \ - for (element = queue; element; element = element->next) +#define __pthread_queue_iterate(queue, element) \ + for (struct __pthread *__pdi_next = (queue); \ + ((element) = __pdi_next) \ + && ((__pdi_next = __pdi_next->next), \ + true); \ + ) /* Iterate over QUEUE dequeuing each element, storing it in ELEMENT. */ -#define __pthread_dequeuing_iterate(queue, element) \ - for (element = queue; \ - element && ((element->prevp = 0), 1); \ - element = element->next) +#define __pthread_dequeuing_iterate(queue, element) \ + for (struct __pthread *__pdi_next = (queue); \ + ((element) = __pdi_next) \ + && ((__pdi_next = __pdi_next->next), \ + ((element)->prevp = 0), \ + true); \ + ) /* The total number of threads currently active. */ extern atomic_fast32_t __pthread_total; |