lock: Handle EBUSY error code as retry

cosmo0920 · edsiper · commit e44c6396e4d6 · 2026-02-13T09:51:26.000-06:00
Signed-off-by: Hiroshi Hatake &lt;hiroshi@chronosphere.io&gt;
diff --git a/src/flb_lock.c b/src/flb_lock.c
@@ -42,7 +42,7 @@ int flb_lock_acquire(flb_lock_t *lock,
         result = pthread_mutex_trylock(lock);
 
         if (result != 0) {
-            if (result == EAGAIN) {
+            if (result == EAGAIN || result == EBUSY) {
                 if (retry_limit != FLB_LOCK_INFINITE_RETRY_LIMIT) {
                     retry_count++;
                 }

Original file line number	Diff line number	Diff line change
`@@ -42,7 +42,7 @@ int flb_lock_acquire(flb_lock_t *lock,`
`42`	`42`	`result = pthread_mutex_trylock(lock);`
`43`	`43`
`44`	`44`	`if (result != 0) {`
`45`		`- if (result == EAGAIN) {`
	`45`	`+ if (result == EAGAIN \|\| result == EBUSY) {`
`46`	`46`	`if (retry_limit != FLB_LOCK_INFINITE_RETRY_LIMIT) {`
`47`	`47`	`retry_count++;`
`48`	`48`	`}`