void VerifyProcTest(pid_t pid, pid_t tid,
bool (*ReadyFunc)(Backtrace*),
void (*VerifyFunc)(Backtrace*)) {
pid_t ptrace_tid;
if (tid < 0) {
ptrace_tid = pid;
} else {
ptrace_tid = tid;
}
uint64_t start = NanoTime();
bool verified = false;
do {
usleep(US_PER_MSEC);
if (ptrace(PTRACE_ATTACH, ptrace_tid, 0, 0) == 0) {
// Wait for the process to get to a stopping point.
WaitForStop(ptrace_tid);
UniquePtr<Backtrace> backtrace(Backtrace::Create(pid, tid));
ASSERT_TRUE(backtrace->Unwind(0));
ASSERT_TRUE(backtrace.get() != NULL);
if (ReadyFunc(backtrace.get())) {
VerifyFunc(backtrace.get());
verified = true;
}
ASSERT_TRUE(ptrace(PTRACE_DETACH, ptrace_tid, 0, 0) == 0);
}
// If 5 seconds have passed, then we are done.
} while (!verified && (NanoTime() - start) <= 5 * NS_PER_SEC);
ASSERT_TRUE(verified);
}
void VerifyProcTest(pid_t pid, pid_t tid,
bool (*ReadyFunc)(const backtrace_t*),
void (*VerifyFunc)(const backtrace_t*)) {
pid_t ptrace_tid;
if (tid < 0) {
ptrace_tid = pid;
} else {
ptrace_tid = tid;
}
uint64_t start = NanoTime();
bool verified = false;
do {
usleep(US_PER_MSEC);
if (ptrace(PTRACE_ATTACH, ptrace_tid, 0, 0) == 0) {
// Wait for the process to get to a stopping point.
WaitForStop(ptrace_tid);
backtrace_context_t context;
ASSERT_TRUE(backtrace_create_context(&context, pid, tid, 0));
if (ReadyFunc(context.backtrace)) {
VerifyFunc(context.backtrace);
verified = true;
}
backtrace_destroy_context(&context);
ASSERT_TRUE(ptrace(PTRACE_DETACH, ptrace_tid, 0, 0) == 0);
}
// If 5 seconds have passed, then we are done.
} while (!verified && (NanoTime() - start) <= 5 * NS_PER_SEC);
ASSERT_TRUE(verified);
}
void VerifyThreadTest(pid_t tid, void (*VerifyFunc)(Backtrace*)) {
UniquePtr<Backtrace> backtrace(Backtrace::Create(getpid(), tid));
ASSERT_TRUE(backtrace.get() != NULL);
ASSERT_TRUE(backtrace->Unwind(0));
VerifyFunc(backtrace.get());
}
void VerifyThreadTest(pid_t tid, void (*VerifyFunc)(const backtrace_t*)) {
backtrace_context_t context;
backtrace_create_context(&context, getpid(), tid, 0);
VerifyFunc(context.backtrace);
backtrace_destroy_context(&context);
}
