ck_rwlock: Relax write_trylock_rtm semantics.

trylock semantics are best effort to begin with, so avoid fallback path all together.
12 years ago · a694e871ca
parent 3fbefc5042
commit a694e871ca
1 changed files with 2 additions and 3 deletions
--- a/include/ck_rwlock.h
+++ b/include/ck_rwlock.h
@ -124,9 +124,8 @@ ck_rwlock_write_trylock_rtm(ck_rwlock_t *rw)
 {
 	bool r;

-	if (ck_pr_rtm_begin() != CK_PR_RTM_STARTED) {
-		return ck_rwlock_write_trylock(rw);
-	}
+	if (ck_pr_rtm_begin() != CK_PR_RTM_STARTED)
+		return false;

 	r = ck_pr_load_uint(&rw->writer) != 0;