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ResetEvent: get abstime based on std.time

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kprotty 2019-11-24 20:28:29 -06:00 committed by Andrew Kelley
parent ca2d566ec8
commit 056b5a26c9
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GPG Key ID: 7C5F548F728501A9
1 changed files with 14 additions and 6 deletions
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20
lib/std/reset_event.zig
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@ -333,12 +333,20 @@ const PosixEvent = struct {
return false;
var ts: os.timespec = undefined;
var ts_ptr = &ts;
if (timeout) |timeout_ns| {
var tv: os.timeval = undefined;
assert(c.gettimeofday(&tv, null) == 0);
ts.tv_sec = tv.tv_sec + @intCast(isize, timeout_ns / time.ns_per_s);
ts.tv_nsec = (tv.tv_usec * time.microsecond) + @intCast(isize, timeout_ns % time.ns_per_s);
var timeout_abs = timeout_ns;
if (comptime std.Target.current.isDarwin()) {
var tv: os.darwin.timeval = undefined;
assert(os.darwin.gettimeofday(&tv, null) == 0);
timeout_abs += @intCast(u64, tv.tv_sec) * time.second;
timeout_abs += @intCast(u64, tv.tv_usec) * time.microsecond;
} else {
os.clock_gettime(os.CLOCK_REALTIME, &ts) catch unreachable;
timeout_abs += @intCast(u64, ts.tv_sec) * time.second;
timeout_abs += @intCast(u64, ts.tv_nsec);
}
ts.tv_sec = @intCast(@typeOf(ts.tv_sec), @divFloor(timeout_abs, time.second));
ts.tv_nsec = @intCast(@typeOf(ts.tv_nsec), @mod(timeout_abs, time.second));
}
var dummy_value: u32 = undefined;
@ -348,7 +356,7 @@ const PosixEvent = struct {
while (self.state == wait_token) {
const rc = switch (timeout == null) {
true => c.pthread_cond_wait(&self.cond, &self.mutex),
else => c.pthread_cond_timedwait(&self.cond, &self.mutex, ts_ptr),
else => c.pthread_cond_timedwait(&self.cond, &self.mutex, &ts),
};
// TODO: rc appears to be the positive error code making os.errno() always return 0 on linux
switch (std.math.max(@as(c_int, os.errno(rc)), rc)) {