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//===-- Tests for thrd_t creation and joining -----------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "src/threads/thrd_create.h"
#include "src/threads/thrd_join.h"
#include "test/IntegrationTest/test.h"
#include <threads.h>
static constexpr int thread_count = 1000;
static int counter = 0;
static int thread_func(void *) {
++counter;
return 0;
}
void create_and_join() {
for (counter = 0; counter <= thread_count;) {
thrd_t thread;
int old_counter_val = counter;
ASSERT_EQ(LIBC_NAMESPACE::thrd_create(&thread, thread_func, nullptr),
(int)thrd_success);
int retval = thread_count + 1; // Start with a retval we dont expect.
ASSERT_EQ(LIBC_NAMESPACE::thrd_join(thread, &retval), (int)thrd_success);
ASSERT_EQ(retval, 0);
ASSERT_EQ(counter, old_counter_val + 1);
}
}
static int return_arg(void *arg) { return *reinterpret_cast<int *>(arg); }
void spawn_and_join() {
thrd_t thread_list[thread_count];
int args[thread_count];
for (int i = 0; i < thread_count; ++i) {
args[i] = i;
ASSERT_EQ(
LIBC_NAMESPACE::thrd_create(thread_list + i, return_arg, args + i),
(int)thrd_success);
}
for (int i = 0; i < thread_count; ++i) {
int retval = thread_count + 1; // Start with a retval we dont expect.
ASSERT_EQ(LIBC_NAMESPACE::thrd_join(thread_list[i], &retval),
(int)thrd_success);
ASSERT_EQ(retval, i);
}
}
TEST_MAIN() {
create_and_join();
spawn_and_join();
return 0;
}
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