Commit d016caaccba8ae9372c56d2a47e21f36cc2f4d83 | zig

1 files changed, 14 insertions(+), 4 deletions(-)

lib/std/Thread.zig+14-4

...	...	@@ -10,6 +10,7 @@
10	10
11	11	const std = @import("std.zig");
12	12	const os = std.os;
	13	const assert = std.debug.assert;
13	14	const target = std.Target.current;
14	15	const Atomic = std.atomic.Atomic;
15	16
...	...	@@ -259,11 +260,20 @@ const WindowsThreadImpl = struct {
259	260	},
260	261	};
261	262
262		const stack_size = std.math.min(64 * 1024, std.math.cast(u32, config.stack_size) catch std.math.maxInt(u32));
263
264		const parameter = @ptrCast(*c_void, impl);
	263	// Windows appears to only support SYSTEM_INFO.dwAllocationGranularity minimum stack size.
	264	// Going lower makes it default to that specified in the executable (~1mb).
	265	// Its also fine if the limit here is incorrect as stack size is only a hint.
	266	var stack_size = std.math.cast(u32, config.stack_size) catch std.math.maxInt(u32);
	267	stack_size = std.math.max(64 * 1024, stack_size);
265	268
266		instance.thread.thread_handle = windows.CreateThread(null, stack_size, Impl.entry, parameter, 0, null) orelse {
	269	instance.thread.thread_handle = windows.CreateThread(
	270	null,
	271	stack_size,
	272	Instance.entry,
	273	@ptrCast(*c_void, instance),
	274	0,
	275	null,
	276	) orelse {
267	277	return windows.unexpectedError(windows.kernel32.GetLastError());
268	278	};
269	279