cosmopolitan/test/libc/thread/pthread_barrier_wait_test.c
Justine Tunney a4b455185b
Bring back gc() function
Renaming gc() to _gc() was a mistake since the better thing to do is put
it behind the _COSMO_SOURCE macro. We need this change because I haven't
wanted to use my amazing garbage collector ever since we renamed it. You
now need to define _COSMO_SOURCE yourself when using amalgamation header
and cosmocc users need to pass the -mcosmo flag to get the gc() function

Some other issues relating to cancelation have been fixed along the way.
We're also now putting cosmocc in a folder named `.cosmocc` so it can be
more safely excluded by grep --exclude-dir=.cosmocc --exclude-dir=o etc.
2024-01-08 10:26:28 -08:00

74 lines
3.1 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│ vi: set et 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/assert.h"
#include "libc/atomic.h"
#include "libc/errno.h"
#include "libc/intrin/atomic.h"
#include "libc/mem/gc.h"
#include "libc/mem/mem.h"
#include "libc/runtime/runtime.h"
#include "libc/testlib/testlib.h"
#include "libc/thread/thread.h"
int i, n;
atomic_int p, w;
pthread_barrier_t barrier;
void *Worker(void *arg) {
int rc;
rc = pthread_barrier_wait(&barrier);
atomic_fetch_add(&w, 1);
ASSERT_GE(rc, 0);
if (rc == PTHREAD_BARRIER_SERIAL_THREAD) {
atomic_fetch_add(&p, 1);
}
return 0;
}
TEST(pthread_barrier_wait, test1) {
pthread_t t;
p = 0;
w = 0;
n = 1;
ASSERT_EQ(0, pthread_barrier_init(&barrier, 0, n));
ASSERT_SYS(0, 0, pthread_create(&t, 0, Worker, 0));
EXPECT_SYS(0, 0, pthread_join(t, 0));
ASSERT_EQ(1, p);
ASSERT_EQ(n, w);
ASSERT_EQ(0, pthread_barrier_destroy(&barrier));
}
TEST(pthread_barrier_wait, test32) {
pthread_t *t;
p = 0;
n = 32;
w = 0;
t = gc(malloc(sizeof(pthread_t) * n));
ASSERT_EQ(0, pthread_barrier_init(&barrier, 0, n));
for (i = 0; i < n; ++i) {
ASSERT_EQ(0, w);
ASSERT_SYS(0, 0, pthread_create(t + i, 0, Worker, 0));
}
for (i = 0; i < n; ++i) {
EXPECT_SYS(0, 0, pthread_join(t[i], 0));
}
ASSERT_EQ(1, p);
ASSERT_EQ(n, w);
ASSERT_EQ(0, pthread_barrier_destroy(&barrier));
}