mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-07-01 08:48:29 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Add *NSYNC unit test suite

Browse source 
This change also fixes the clock_nanosleep() api and polyfills futexes
on Windows, Mac, and NetBSD using exponential backoff.
This commit is contained in:
Justine Tunney 2022-10-07 21:29:40 -07:00
parent 3421b9a580
commit 9849b4c7ba
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
51 changed files with 5505 additions and 1060 deletions
Download patch file Download diff file Expand all files Collapse all files

43
libc/intrin/sys_umtx_timedwait_uint.c Normal file
View file

@ -0,0 +1,43 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/sysv/consts/clock.h"
#include "libc/thread/freebsd.internal.h"
int sys_umtx_timedwait_uint(int *p, int expect, bool pshare,
const struct timespec *abstime) {
int op;
size_t size;
struct _umtx_time *tm_p, timo;
if (!abstime) {
tm_p = 0;
size = 0;
} else {
timo._clockid = CLOCK_REALTIME;
timo._flags = UMTX_ABSTIME;
timo._timeout = *abstime;
tm_p = &timo;
size = sizeof(timo);
}
if (pshare) {
op = UMTX_OP_WAIT_UINT;
} else {
op = UMTX_OP_WAIT_UINT_PRIVATE;
}
return sys_umtx_op(p, op, expect, (void *)size, tm_p);
}