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authorAkihiko Odaki <akihiko.odaki@daynix.com>2025-05-29 14:45:51 +0900
committerPaolo Bonzini <pbonzini@redhat.com>2025-06-06 14:32:55 +0200
commit1bc2c495395bfad526b50d84f4db5687ce1d3963 (patch)
treeeae2ab917792186792bad58db87ad87a03f1d057 /util/qemu-thread-posix.c
parent6e2d11bf04fb18e60afc8551871d9acb7b56983d (diff)
downloadfocaccia-qemu-1bc2c495395bfad526b50d84f4db5687ce1d3963.tar.gz
focaccia-qemu-1bc2c495395bfad526b50d84f4db5687ce1d3963.zip
futex: Support Windows
Windows supports futex-like APIs since Windows 8 and Windows Server
2012.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Link: https://lore.kernel.org/r/20250529-event-v5-2-53b285203794@daynix.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'util/qemu-thread-posix.c')
-rw-r--r--util/qemu-thread-posix.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/util/qemu-thread-posix.c b/util/qemu-thread-posix.c
index f81fca5c11..f80f564e76 100644
--- a/util/qemu-thread-posix.c
+++ b/util/qemu-thread-posix.c
@@ -345,7 +345,7 @@ static inline void qemu_futex_wait(QemuEvent *ev, unsigned val)
 
 /* Valid transitions:
  * - free->set, when setting the event
- * - busy->set, when setting the event, followed by qemu_futex_wake
+ * - busy->set, when setting the event, followed by qemu_futex_wake_all
  * - set->free, when resetting the event
  * - free->busy, when waiting
  *
@@ -400,7 +400,7 @@ void qemu_event_set(QemuEvent *ev)
         smp_mb__after_rmw();
         if (old == EV_BUSY) {
             /* There were waiters, wake them up.  */
-            qemu_futex_wake(ev, INT_MAX);
+            qemu_futex_wake_all(ev);
         }
     }
 }