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sync.yield_processor -> sync.cpu_relax; have it call intrinsics.cpu_relax

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Tetralux
2020-04-21 16:07:18 +00:00
parent 2c91c21021
commit 8dd1b61aa2
2 changed files with 7 additions and 5 deletions
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core/sync/sync.odin
+5 -4
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@@ -1,8 +1,9 @@
package sync
foreign {
@(link_name="llvm.x86.sse2.pause")
yield_processor :: proc() ---
import "core:intrinsics"
cpu_relax :: inline proc() {
intrinsics.cpu_relax();
}
Ticket_Mutex :: struct {
@@ -18,7 +19,7 @@ ticket_mutex_init :: proc(m: ^Ticket_Mutex) {
ticket_mutex_lock :: inline proc(m: ^Ticket_Mutex) {
ticket := atomic_add(&m.ticket, 1, .Relaxed);
for ticket != m.serving {
yield_processor();
intrinsics.cpu_relax();
}
}