From 1bc2c495395bfad526b50d84f4db5687ce1d3963 Mon Sep 17 00:00:00 2001 From: Akihiko Odaki Date: Thu, 29 May 2025 14:45:51 +0900 Subject: futex: Support Windows Windows supports futex-like APIs since Windows 8 and Windows Server 2012. Signed-off-by: Akihiko Odaki Link: https://lore.kernel.org/r/20250529-event-v5-2-53b285203794@daynix.com Signed-off-by: Paolo Bonzini --- util/qemu-thread-posix.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'util/qemu-thread-posix.c') 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); } } } -- cgit 1.4.1