mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-06-26 14:28:30 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Make posix_spawn faster on Windows

Browse source
This commit is contained in:
Justine Tunney 2023-08-20 02:13:02 -07:00
parent d6f72aa4a6
commit ec957491ea
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
15 changed files with 514 additions and 123 deletions
Download patch file Download diff file Expand all files Collapse all files

53
libc/calls/tkill.c
View file

@ -1,53 +0,0 @@
/*-*- 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/calls/calls.h"
#include "libc/calls/sig.internal.h"
#include "libc/calls/syscall-sysv.internal.h"
#include "libc/calls/syscall_support-sysv.internal.h"
#include "libc/dce.h"
#include "libc/intrin/strace.internal.h"
#include "libc/sysv/consts/sicode.h"
// OpenBSD has an optional `tib` parameter for extra safety
int __tkill(int tid, int sig, void *tib) {
int rc;
if (!IsWindows() && !IsMetal()) {
rc = sys_tkill(tid, sig, tib);
} else {
rc = __sig_add(tid, sig, SI_TKILL);
}
STRACE("tkill(%d, %G) → %d% m", tid, sig, rc);
return rc;
}
/**
* Kills thread.
*
* @param tid is thread id
* @param sig does nothing on xnu
* @return 0 on success, or -1 w/ errno
* @raise EAGAIN if `RLIMIT_SIGPENDING` was exceeded
* @raise EINVAL if `tid` or `sig` were invalid
* @raise ESRCH if no such `tid` existed
* @raise EPERM if permission was denied
* @asyncsignalsafe
*/
int tkill(int tid, int sig) {
return __tkill(tid, sig, 0);
}