apr_queue_trypush() doesn't block if the queue is full.

Bojan Smojver · Bojan Smojver · commit 4faf27ea5af9 · 2009-06-14T07:40:22.000Z
Patch by Neil Conway <nrc cs.berkeley.edu>. git-svn-id: https://svn.apache.org/repos/asf/apr/apr-util/trunk@784519 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/misc/apr_queue.c b/misc/apr_queue.c
@@ -202,9 +202,9 @@ APU_DECLARE(apr_status_t) apr_queue_push(apr_queue_t *queue, void *data)
 }
 
 /**
- * Push new data onto the queue. Blocks if the queue is full. Once
- * the push operation has completed, it signals other threads waiting
- * in apr_queue_pop() that they may continue consuming sockets.
+ * Push new data onto the queue. If the queue is full, return APR_EAGAIN. If
+ * the push operation completes successfully, it signals other threads
+ * waiting in apr_queue_pop() that they may continue consuming sockets.
  */
 APU_DECLARE(apr_status_t) apr_queue_trypush(apr_queue_t *queue, void *data)
 {

Original file line number	Diff line number	Diff line change
`@@ -202,9 +202,9 @@ APU_DECLARE(apr_status_t) apr_queue_push(apr_queue_t queue, void data)`
`202`	`202`	`}`
`203`	`203`
`204`	`204`	`/**`
`205`		`- * Push new data onto the queue. Blocks if the queue is full. Once`
`206`		`- * the push operation has completed, it signals other threads waiting`
`207`		`- * in apr_queue_pop() that they may continue consuming sockets.`
	`205`	`+ * Push new data onto the queue. If the queue is full, return APR_EAGAIN. If`
	`206`	`+ * the push operation completes successfully, it signals other threads`
	`207`	`+ * waiting in apr_queue_pop() that they may continue consuming sockets.`
`208`	`208`	`*/`
`209`	`209`	`APU_DECLARE(apr_status_t) apr_queue_trypush(apr_queue_t queue, void data)`
`210`	`210`	`{`