cosmopolitan/test/libc/thread/pthread_kill_test.c
Justine Tunney 997ce29ddc
Elevate Windows production worthiness
- SQLite file locking now works on Windows
- SQLite will now use fdatasync() on non-Apple platforms
- Fix Ctrl-C handler on Windows to not crash with TLS
- Signals now work in multithreaded apps on Windows
- fcntl() will now accurately report EINVAL errors
- fcntl() now has excellent --strace logging
- Token bucket replenish now go 100x faster
- *NSYNC cancellations now work on Windows
- Support closefrom() on NetBSD
2022-10-13 13:44:41 -07:00

54 lines
2.7 KiB
C

/*-*- 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/struct/sigaction.h"
#include "libc/errno.h"
#include "libc/sysv/consts/sig.h"
#include "libc/testlib/testlib.h"
#include "libc/thread/thread.h"
int fds[2];
_Thread_local sig_atomic_t gotsig;
void OnSig(int sig) {
gotsig = 1;
}
void *ReadWorker(void *arg) {
char buf[8];
ASSERT_SYS(EINTR, -1, read(fds[0], buf, 8));
ASSERT_TRUE(gotsig);
return 0;
}
TEST(pthread_kill, canCancelReadOperation) {
pthread_t t;
struct sigaction oldsa;
struct sigaction sa = {.sa_handler = OnSig};
ASSERT_SYS(0, 0, sigaction(SIGUSR1, &sa, &oldsa));
ASSERT_SYS(0, 0, pipe(fds));
ASSERT_EQ(0, pthread_create(&t, 0, ReadWorker, 0));
ASSERT_SYS(0, 0, usleep(100000)); // potentially flaky
ASSERT_EQ(0, pthread_kill(t, SIGUSR1));
ASSERT_EQ(0, pthread_join(t, 0));
ASSERT_FALSE(gotsig);
ASSERT_SYS(0, 0, close(fds[0]));
ASSERT_SYS(0, 0, close(fds[1]));
ASSERT_SYS(0, 0, sigaction(SIGUSR1, &oldsa, 0));
}