yggdrasil/test.c

#include <pthread.h>
#include <unistd.h>
#include <assert.h>
#include <stdio.h>

static void *thread(void *arg) {
    pthread_t self = pthread_self();
    printf("[child] pthread_self() = %u\n", self);
    sleep(3);
    return arg;
}

int main(int argc, const char **argv) {
    pthread_t id;

    assert(pthread_create(&id, NULL, thread, (void *) 0x1234) == 0);

    pthread_t self = pthread_self();
    printf("[main] pthread_self() = %u\n", self);

    void *result;
    assert(pthread_join(id, &result) == 0);
    printf("[main] result: %p\n", result);

    return 0;
}