Iterate more on recent changes

This commit is contained in:
Justine Tunney 2023-11-10 22:55:33 -08:00
parent 7138399f96
commit d0ad2694ed
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GPG key ID: BE714B4575D6E328
22 changed files with 90 additions and 158 deletions

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@ -18,6 +18,7 @@
*/
#include "libc/calls/calls.h"
#include "libc/calls/struct/sigaction.h"
#include "libc/calls/struct/sigset.h"
#include "libc/calls/ucontext.h"
#include "libc/dce.h"
#include "libc/log/check.h"
@ -33,6 +34,8 @@ void OnUsr1(int sig) {
}
void SetUpOnce(void) {
sigset_t ss;
sigprocmask(SIG_SETMASK, 0, &ss);
ASSERT_SYS(0, 0, pledge("stdio proc", 0));
}

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@ -1,69 +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 2023 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/atomic.h"
#include "libc/dce.h"
#include "libc/runtime/runtime.h"
#include "libc/testlib/subprocess.h"
#include "libc/testlib/testlib.h"
#include "libc/thread/thread.h"
// create a bunch of threads with nsync semaphore waiter objects
// then fork and verify that unlocking in child safely cleans up
// this test matters on netbsd, where waiters have a file number
#define N 10
pthread_t thread[N];
atomic_uint countdown = N;
atomic_uint final_countdown = N;
pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
void *WaitWorker(void *arg) {
ASSERT_EQ(0, pthread_mutex_lock(&lock));
--countdown;
ASSERT_EQ(0, pthread_cond_wait(&cond, &lock));
ASSERT_EQ(0, pthread_mutex_unlock(&lock));
ASSERT_EQ(0, pthread_mutex_lock(&lock));
--final_countdown;
ASSERT_EQ(0, pthread_cond_wait(&cond, &lock));
ASSERT_EQ(0, pthread_mutex_unlock(&lock));
return 0;
}
TEST(mu_semaphore_sem, test) {
for (int i = 0; i < N; ++i) {
ASSERT_EQ(0, pthread_create(thread + i, 0, WaitWorker, 0));
}
while (countdown) pthread_yield();
SPAWN(fork);
CheckForFileLeaks();
EXITS(0);
ASSERT_EQ(0, pthread_mutex_lock(&lock));
ASSERT_EQ(0, pthread_cond_broadcast(&cond));
ASSERT_EQ(0, pthread_mutex_unlock(&lock));
while (final_countdown) pthread_yield(); // make extra sure still works
ASSERT_EQ(0, pthread_mutex_lock(&lock));
ASSERT_EQ(0, pthread_cond_broadcast(&cond));
ASSERT_EQ(0, pthread_mutex_unlock(&lock));
for (int i = 0; i < N; ++i) {
ASSERT_EQ(0, pthread_join(thread[i], 0));
}
CheckForFileLeaks();
}