authorgravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2019-05-27 12:16:32-04:00
committergravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2019-05-27 12:16:32-04:00
logf1610f6c1ddbb5c2b42d2ecac433b8eff11d5a3a
tree4fb8fd925fabb7fd7d97f7e0e09e40ad998a9a1d
parentabf959a0c90418c383cc4f10242dbcc2a2e974fd
signaturelock-open Commit is signed but in an unrecognized format.

nanosleep: move windows logic to std.time

2 files changed, 8 insertions(+), 13 deletions(-)

std/os.zig-13
......@@ -2315,19 +2315,6 @@ pub fn realpathW(pathname: [*]const u16, out_buffer: *[MAX_PATH_BYTES]u8) RealPa
23152315
23162316/// Spurious wakeups are possible and no precision of timing is guaranteed.
23172317pub fn nanosleep(seconds: u64, nanoseconds: u64) void {
2318 if (windows.is_the_target and !builtin.link_libc) {
2319 // TODO https://github.com/ziglang/zig/issues/1284
2320 const small_s = math.cast(windows.DWORD, seconds) catch math.maxInt(windows.DWORD);
2321 const ms_from_s = math.mul(windows.DWORD, small_s, std.time.ms_per_s) catch math.maxInt(windows.DWORD);
2322
2323 const ns_per_ms = std.time.ns_per_s / std.time.ms_per_s;
2324 const big_ms_from_ns = nanoseconds / ns_per_ms;
2325 const ms_from_ns = math.cast(windows.DWORD, big_ms_from_ns) catch math.maxInt(windows.DWORD);
2326
2327 const ms = math.add(windows.DWORD, ms_from_s, ms_from_ns) catch math.maxInt(windows.DWORD);
2328 windows.kernel32.Sleep(ms);
2329 return;
2330 }
23312318 var req = timespec{
23322319 .tv_sec = math.cast(isize, seconds) catch math.maxInt(isize),
23332320 .tv_nsec = math.cast(isize, nanoseconds) catch math.maxInt(isize),
std/time.zig+8
......@@ -3,11 +3,19 @@ const std = @import("std.zig");
33const assert = std.debug.assert;
44const testing = std.testing;
55const os = std.os;
6const math = std.math;
67
78pub const epoch = @import("time/epoch.zig");
89
910/// Spurious wakeups are possible and no precision of timing is guaranteed.
1011pub fn sleep(nanoseconds: u64) void {
12 if (os.windows.is_the_target) {
13 const ns_per_ms = ns_per_s / ms_per_s;
14 const big_ms_from_ns = nanoseconds / ns_per_ms;
15 const ms = math.cast(os.windows.DWORD, big_ms_from_ns) catch math.maxInt(os.windows.DWORD);
16 os.windows.kernel32.Sleep(ms);
17 return;
18 }
1119 const s = nanoseconds / ns_per_s;
1220 const ns = nanoseconds % ns_per_s;
1321 std.os.nanosleep(s, ns);