/* Tests that a thread returns from desch() only after being mkrun()'d */
int
main(void)
{
int i, child;
char *stack;
TEST_STRT(ITERATIONS);
for(i = 0; i < ITERATIONS; i++) {
stack = malloc(STACKSZ);
TEST_EXIT_IF(stack == 0, "malloc failed");
stack += STACKSZ; // Must give pointer to top of the stack
child = tspawn(stack, thread_func, (void *) i);
TEST_EXIT_IF(child < 0, "tspawn failed");
sleep(64); // #YOLOMAGICNUMBER
has_mkran[i] = 1; // inform child they have actually been awoken
TEST_EXIT_IF(mkrun(child) < 0, "mkrun failed");
// #YOLOLEAK because we have no uthr_join
// and we can't free until texit()
// free(stack);
}
texit();
}
int main() {
int i, pid;
void *s;
int guard = 1;
TEST_STRT(1);
TEST_DIAG("WARNING: this test will fail if run with more than two existing processes");
int parent_pid = getpid();
pid = fork();
TEST_EXIT_IF(pid < 0, "Fork failed.\n");
if (pid == 0) {
for(i = 0; i < LOTS; i++) {
TEST_DIAG("spawned %d", i + 5);
TEST_EXIT_IF((s = malloc(STKSIZE)) == 0, "oom");
s += STKSIZE;
TEST_EXIT_IF(tspawn(s, spawnee, (void *) parent_pid) < 0,
"spawn fail before full at i=%d", i);
}
// inherently racy - if mkrun happens before desch, we'll never wake up
// not too likely, esp since every thread is yielding to the parent
mkrun(parent_pid);
while(1);
}
desch(&guard);
TEST_EXIT_IF(fork() > 0, "Fork succeeded even though there were no "
"more threads available.");
kill(pid);
wait();
TEST_FINI();
exit();
}
int
main(void)
{
TEST_STRT(1);
TEST_FINI("no panics on boot, shell, or fork/exec. Good job!");
exit();
}
int main() {
TEST_STRT(1);
if(fork() == 0) {
sleep(10); //Make sure the parent made it to wait();
texit();
} else {
wait();
TEST_FINI();
}
exit();
}
int main() {
TEST_STRT(2);
TEST_DIAG("This test may fail due to an unavoidable race condition");
int f = fork();
if (f < 0) {
TEST_EXIT("Fork failed");
} else if (f == 0) {
TEST_FINI("child"); /* success 1 */
} else {
sleep(20);
TEST_FINI("parent"); /* success 2 */
}
exit();
}
int main() {
TEST_STRT(2);
int i;
int parent_tid = gettid();
int f = fork();
if (f < 0) {
TEST_EXIT("Fork failed");
} else if (f == 0) {
for (i = 0; i < 1000; i++) {
yield(parent_tid);
}
TEST_FINI("child"); /* success 1 */
} else {
for (i = 0; i < 1000; i++) {
yield(f);
}
TEST_FINI("parent"); /* success 2 */
}
exit();
}
int main() {
int i;
void *s;
TEST_STRT(1);
for (i = 0; i < 10; i++) {
TEST_EXIT_IF((s = malloc(STKSIZE)) == 0, "oom");
s += STKSIZE;
if (i == 0) {
TEST_EXIT_IF(tspawn(s, baddie, ARG) < 0,
"spawn fail at %d", i);
} else {
TEST_EXIT_IF(tspawn(s, goodie, ARG) < 0, "spawn fail at %d", i);
}
sleep(10);
}
TEST_DIAG("You can see the thread being killed well"\
" before this test finishes.");
TEST_FINI();
exit();
}