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Add internal tests for WASI threads (#1963)

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Add internal tests for WASI threads. These tests are run in addition to
the ones in the proposal:
https://github.com/WebAssembly/wasi-threads/tree/main/test/testsuite.

The purpose is to test additional and more complex scenarios.
This commit is contained in:
Enrico Loparco
2023-03-09 02:03:16 +01:00
committed by GitHub
parent 289fc5efbf
commit 128c0ea899
36 changed files with 864 additions and 11 deletions
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2
samples/wasi-threads/wasm-apps/no_pthread.c
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@ -33,7 +33,7 @@ __wasi_thread_start_C(int thread_id, int *start_arg)
data->value += 8;
printf("Updated value: %d\n", data->value);
data->th_ready = 1;
__atomic_store_n(&data->th_ready, 1, __ATOMIC_SEQ_CST);
__builtin_wasm_memory_atomic_notify(&data->th_ready, 1);
}

18
samples/wasi-threads/wasm-apps/thread_termination.c
View File

@ -9,7 +9,7 @@
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include <semaphore.h>
#include <pthread.h>
#include <stdbool.h>
#include <unistd.h>
@ -26,7 +26,7 @@
#define TIMEOUT_SECONDS 10
#define NUM_THREADS 3
static sem_t sem;
static pthread_barrier_t barrier;
typedef struct {
start_args_t base;
@ -49,9 +49,10 @@ run_long_task()
void
start_job()
{
sem_post(&sem);
run_long_task(); /* Wait to be interrupted */
assert(false && "Unreachable");
/* Wait for all threads (including the main thread) to be ready */
pthread_barrier_wait(&barrier);
run_long_task(); /* Task to be interrupted */
assert(false && "Thread termination test failed");
}
void
@ -59,8 +60,7 @@ terminate_process()
{
/* Wait for all other threads (including main thread) to be ready */
printf("Waiting before terminating\n");
for (int i = 0; i < NUM_THREADS; i++)
sem_wait(&sem);
pthread_barrier_wait(&barrier);
printf("Force termination\n");
#if TEST_TERMINATION_BY_TRAP == 1
@ -91,8 +91,8 @@ main(int argc, char **argv)
int thread_id = -1, i;
shared_t data[NUM_THREADS] = { 0 };
if (sem_init(&sem, 0, 0) != 0) {
printf("Failed to init semaphore\n");
if (pthread_barrier_init(&barrier, NULL, NUM_THREADS + 1) != 0) {
printf("Failed to init barrier\n");
return EXIT_FAILURE;
}