Haiku/haiku
Haiku/haiku
1
0
Fork 0
mirror of https://review.haiku-os.org/haiku synced 2024-11-23 07:18:40 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

kernel/lock: Remove ASSERT_UNLOCKED_RW_LOCK from _rw_lock_read_lock.

Browse Source 
It's valid to read-lock the same rwlock twice, of course.

(Only affects KDEBUG_RW_LOCK_DEBUG builds, the assertions do
nothing on any other.)
This commit is contained in:
Augustin Cavalier 2024-09-10 18:12:20 -04:00
parent dd45194d37
commit 13a5c7f91f
1 changed files with 0 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/system/kernel/locks/lock.cpp
View File

@ -512,7 +512,6 @@ _rw_lock_read_lock(rw_lock* lock)
#if KDEBUG_RW_LOCK_DEBUG
int32 oldCount = atomic_add(&lock->count, 1);
if (oldCount < RW_LOCK_WRITER_COUNT_BASE) {
ASSERT_UNLOCKED_RW_LOCK(lock);
_rw_lock_set_read_locked(lock);
return B_OK;
}
@ -526,8 +525,6 @@ _rw_lock_read_lock(rw_lock* lock)
return B_OK;
}
ASSERT_UNLOCKED_RW_LOCK(lock);
// The writer that originally had the lock when we called atomic_add() might
// already have gone and another writer could have overtaken us. In this
// case the original writer set pending_readers, so we know that we don't