Commit 12e68cbeb636c920475b2420314c23de37689509 | zig

4 files changed, 11 insertions(+), 10 deletions(-)

lib/std/c.zig+2-1

...	...	@@ -158,7 +158,6 @@ pub extern "c" fn pthread_attr_init(attr: *pthread_attr_t) c_int;
158	158	pub extern "c" fn pthread_attr_setstack(attr: pthread_attr_t, stackaddr: c_void, stacksize: usize) c_int;
159	159	pub extern "c" fn pthread_attr_destroy(attr: *pthread_attr_t) c_int;
160	160	pub extern "c" fn pthread_self() pthread_t;
161		pub extern "c" fn pthread_yield() c_int;
162	161	pub extern "c" fn pthread_join(thread: pthread_t, arg_return: ??c_void) c_int;
163	162
164	163	pub extern "c" fn kqueue() c_int;
...	...	@@ -201,3 +200,5 @@ pub extern "c" fn dn_expand(
201	200	exp_dn: [*]u8,
202	201	length: c_int,
203	202	) c_int;
	203
	204	pub extern "c" fn sched_yield() c_int;

lib/std/mutex.zig+1-1

...	...	@@ -100,7 +100,7 @@ else struct {
100	100	var value = @atomicLoad(u32, &self.state, .Monotonic);
101	101	while (value == Unlocked)
102	102	value = @cmpxchgWeak(u32, &self.state, Unlocked, state, .Acquire, .Monotonic) orelse return Held{ .mutex = self };
103		std.os.yield();
	103	std.os.sched_yield();
104	104	}
105	105
106	106	// failed to acquire the lock, go to sleep until woken up by `Held.release()`

lib/std/os.zig+7-7

...	...	@@ -3170,12 +3170,12 @@ pub fn dn_expand(
3170	3170	return error.InvalidDnsPacket;
3171	3171	}
3172	3172
3173		pub fn yield() void {
3174		switch (builtin.os) {
3175		.windows => _ = windows.kernel32.SwitchToThread(),
3176		.linux => _ = assert(linux.sched_yield() == 0),
3177		else => if (builtin.link_libc) {
3178		assert(std.c.pthread_yield() == 0);
3179		},
	3173	pub fn sched_yield() void {
	3174	if (builtin.os == .windows) {
	3175	_ = windows.kernel32.SwitchToThread();
	3176	} else if (builtin.os == .linux and !builtin.link_libc) {
	3177	assert(linux.sched_yield() == 0);
	3178	} else if (builtin.link_libc) {
	3179	assert(std.c.sched_yield() == 0);
3180	3180	}
3181	3181	}

lib/std/spinlock.zig+1-1

...	...	@@ -54,7 +54,7 @@ pub const SpinLock = struct {
54	54	if (self.iteration < 20) {
55	55	SpinLock.yield(self.iteration);
56	56	} else if (self.iteration < 24) {
57		os.yield();
	57	os.sched_yield();
58	58	} else if (self.iteration < 26) {
59	59	time.sleep(1 * time.millisecond);
60	60	} else {