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ke/mutex: warden tracking in try_acquire

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Loïc Grégoire
2026-10-26 14:41:02 -04:00
parent bdb3f08652
commit 7aaad602ea
1 changed files with 10 additions and 2 deletions
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src/sys/kern/mutex.zig
+10 -2
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@@ -67,12 +67,20 @@ pub const Mutex = struct {
/// Returns true on success. /// Returns true on success.
pub fn try_acquire(self: *Mutex) bool { pub fn try_acquire(self: *Mutex) bool {
const curtd = ke.thread.current(); const curtd = ke.thread.current();
return self.state.cmpxchgStrong( if (self.state.cmpxchgStrong(
State.uncontended, State.uncontended,
State.from(curtd), State.from(curtd),
.acquire, .acquire,
.monotonic, .monotonic,
) == null; ) == null) {
if (config.warden) {
kep.warden.acquired(self, self.wd, .Lock);
}
return true;
}
return false;
} }
/// Acquire the lock. /// Acquire the lock.