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std.Thread.StaticResetEvent: call spinLoopHint appropriately

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This commit is contained in:
Andrew Kelley 2021-01-14 21:34:30 -07:00
parent 9698ea3173
commit 9e1aeda3bf
1 changed files with 2 additions and 3 deletions
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5
lib/std/Thread/StaticResetEvent.zig
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@ -15,7 +15,6 @@
const std = @import("../std.zig");
const StaticResetEvent = @This();
const SpinLock = std.SpinLock;
const assert = std.debug.assert;
const os = std.os;
const time = std.time;
@ -183,7 +182,7 @@ pub const AtomicEvent = struct {
timer = time.Timer.start() catch return error.TimedOut;
while (@atomicLoad(u32, waiters, .Acquire) != WAKE) {
SpinLock.yield();
std.os.sched_yield() catch std.Thread.spinLoopHint();
if (timeout) |timeout_ns| {
if (timer.read() >= timeout_ns)
return error.TimedOut;
@ -294,7 +293,7 @@ pub const AtomicEvent = struct {
return @intToPtr(?windows.HANDLE, handle);
},
LOADING => {
SpinLock.yield();
std.os.sched_yield() catch std.Thread.spinLoopHint();
handle = @atomicLoad(usize, &event_handle, .Monotonic);
},
else => {