Experiment: make rwlocks do nothing

diff --git a/lib/isc/rwlock.c b/lib/isc/rwlock.c
index 8e4a94108bd44eb2b1fcd158d1e8dec2b44d6563..6dd5a0cd429d02f4bc679c7d654c3c800aadbac5 100644 (file)
--- a/lib/isc/rwlock.c
+++ b/lib/isc/rwlock.c
@@ -236,6 +236,7 @@ isc_rwlock_destroy(isc_rwlock_t *rwl) {
 
 static isc_result_t
 isc__rwlock_lock(isc_rwlock_t *rwl, isc_rwlocktype_t type) {
+       return (ISC_R_SUCCESS);
        int32_t cntflag;
 
        REQUIRE(VALID_RWLOCK(rwl));
@@ -357,6 +358,7 @@ isc__rwlock_lock(isc_rwlock_t *rwl, isc_rwlocktype_t type) {
 
 isc_result_t
 isc_rwlock_lock(isc_rwlock_t *rwl, isc_rwlocktype_t type) {
+       return (ISC_R_SUCCESS);
        int32_t cnt = 0;
        int32_t max_cnt = rwl->spins * 2 + 10;
        isc_result_t result = ISC_R_SUCCESS;
@@ -379,6 +381,7 @@ isc_rwlock_lock(isc_rwlock_t *rwl, isc_rwlocktype_t type) {
 
 isc_result_t
 isc_rwlock_trylock(isc_rwlock_t *rwl, isc_rwlocktype_t type) {
+       return (ISC_R_SUCCESS);
        int32_t cntflag;
 
        REQUIRE(VALID_RWLOCK(rwl));
@@ -450,6 +453,7 @@ isc_rwlock_trylock(isc_rwlock_t *rwl, isc_rwlocktype_t type) {
 
 isc_result_t
 isc_rwlock_tryupgrade(isc_rwlock_t *rwl) {
+       return (ISC_R_SUCCESS);
        REQUIRE(VALID_RWLOCK(rwl));
 
        {
@@ -483,6 +487,7 @@ isc_rwlock_tryupgrade(isc_rwlock_t *rwl) {
 
 void
 isc_rwlock_downgrade(isc_rwlock_t *rwl) {
+       return;
        int32_t prev_readers;
 
        REQUIRE(VALID_RWLOCK(rwl));
@@ -511,6 +516,7 @@ isc_rwlock_downgrade(isc_rwlock_t *rwl) {
 
 isc_result_t
 isc_rwlock_unlock(isc_rwlock_t *rwl, isc_rwlocktype_t type) {
+       return (ISC_R_SUCCESS);
        int32_t prev_cnt;
 
        REQUIRE(VALID_RWLOCK(rwl));