mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-05-23 13:52:28 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Implement POSIX threads API

Browse source
This commit is contained in:
Justine Tunney 2022-09-05 08:26:03 -07:00
parent af24f21556
commit 9be364d40a
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
95 changed files with 6029 additions and 317 deletions
Download patch file Download diff file Expand all files Collapse all files

10
test/libc/intrin/rand64_test.c
View file

@ -44,8 +44,8 @@
#define THREADS 8
#define ENTRIES 1024
int ready;
volatile uint64_t A[THREADS * ENTRIES];
pthread_barrier_t barrier = PTHREAD_BARRIER_INITIALIZER;
void SetUpOnce(void) {
__enable_threads();
@ -62,9 +62,7 @@ dontinline void Generate(int i) {
int Thrasher(void *arg, int tid) {
int i, id = (intptr_t)arg;
while (!atomic_load(&ready)) {
cthread_memory_wait32(&ready, 0, 0);
}
pthread_barrier_wait(&barrier);
for (i = 0; i < ENTRIES; ++i) {
Generate(id * ENTRIES + i);
}
@ -97,12 +95,10 @@ TEST(rand64, testThreadSafety_doesntProduceIdenticalValues) {
sigemptyset(&ss);
sigaddset(&ss, SIGCHLD);
EXPECT_EQ(0, sigprocmask(SIG_BLOCK, &ss, &oldss));
ready = false;
pthread_barrier_init(&barrier, 0, THREADS);
for (i = 0; i < THREADS; ++i) {
ASSERT_SYS(0, 0, _spawn(Thrasher, (void *)(intptr_t)i, th + i));
}
atomic_store(&ready, 1);
cthread_memory_wake32(&ready, INT_MAX);
for (i = 0; i < THREADS; ++i) {
ASSERT_SYS(0, 0, _join(th + i));
}