static void
expect_frame(const char **bt, unsigned int bt_len, CSSymbolRef symbol,
unsigned long addr, unsigned int bt_idx, unsigned int max_frames)
{
const char *name;
unsigned int frame_idx = max_frames - bt_idx - 1;
if (bt[frame_idx] == NULL) {
T_LOG("frame %2u: skipping system frame", frame_idx);
return;
}
if (CSIsNull(symbol)) {
T_FAIL("invalid symbol for address %#lx at frame %d", addr, frame_idx);
return;
}
if (frame_idx >= bt_len) {
T_FAIL("unexpected frame '%s' (%#lx) at index %u",
CSSymbolGetName(symbol), addr, frame_idx);
return;
}
name = CSSymbolGetName(symbol);
T_QUIET; T_ASSERT_NOTNULL(name, NULL);
T_EXPECT_EQ_STR(name, bt[frame_idx],
"frame %2u: saw '%s', expected '%s'",
frame_idx, name, bt[frame_idx]);
}
void handler (int sig, siginfo_t *sip, __unused void *uconp)
{
/* Should handle the SIGCHLD signal */
T_ASSERT_EQ_INT(sig, SIGCHLD, "Captured signal returns 0x%x, expected SIGCHLD (0x%x).", sig, SIGCHLD);
T_QUIET; T_ASSERT_NOTNULL(sip, "siginfo_t returned NULL but should have returned data.");
T_ASSERT_EQ_INT(sip->si_code, CLD_EXITED, "si_code returns 0x%x, expected CLD_EXITED (0x%x).", sip->si_code, CLD_EXITED);
T_ASSERT_EQ_INT(sip->si_status, exitcode, "si_status returns 0x%08X, expected the child's exit code (0x%08X).", sip->si_status, exitcode);
should_exit = 1;
}
static void *
spinning_thread(void *semp)
{
T_QUIET;
T_ASSERT_NOTNULL(semp, "semaphore passed to thread should not be NULL");
dispatch_semaphore_signal(*(dispatch_semaphore_t *)semp);
while (running_threads);
return NULL;
}
