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// RUN: %check_clang_tidy %s bugprone-spuriously-wake-up-functions %t -- --
#define NULL 0
namespace std {
using intmax_t = int;
template <intmax_t N, intmax_t D = 1>
class ratio {
public:
static constexpr intmax_t num = 0;
static constexpr intmax_t den = 0;
typedef ratio<num, den> type;
};
typedef ratio<1, 1000> milli;
namespace chrono {
template <class Rep, class Period = ratio<1>>
class duration {
public:
using rep = Rep;
using period = Period;
public:
constexpr duration() = default;
template <class Rep2>
constexpr explicit duration(const Rep2 &r);
template <class Rep2, class Period2>
constexpr duration(const duration<Rep2, Period2> &d);
~duration() = default;
duration(const duration &) = default;
};
template <class Clock, class Duration = typename Clock::duration>
class time_point {
public:
using clock = Clock;
using duration = Duration;
public:
constexpr time_point();
constexpr explicit time_point(const duration &d);
template <class Duration2>
constexpr time_point(const time_point<clock, Duration2> &t);
};
using milliseconds = duration<int, milli>;
class system_clock {
public:
typedef milliseconds duration;
typedef duration::rep rep;
typedef duration::period period;
typedef chrono::time_point<system_clock> time_point;
static time_point now() noexcept;
};
} // namespace chrono
class mutex;
template <class Mutex>
class unique_lock {
public:
typedef Mutex mutex_type;
unique_lock() noexcept;
explicit unique_lock(mutex_type &m);
};
class mutex {
public:
constexpr mutex() noexcept;
~mutex();
mutex(const mutex &) = delete;
mutex &operator=(const mutex &) = delete;
};
enum class cv_status {
no_timeout,
timeout
};
class condition_variable {
public:
condition_variable();
~condition_variable();
condition_variable(const condition_variable &) = delete;
void wait(unique_lock<mutex> &lock);
template <class Predicate>
void wait(unique_lock<mutex> &lock, Predicate pred);
template <class Clock, class Duration>
cv_status wait_until(unique_lock<mutex> &lock,
const chrono::time_point<Clock, Duration> &abs_time){};
template <class Clock, class Duration, class Predicate>
bool wait_until(unique_lock<mutex> &lock,
const chrono::time_point<Clock, Duration> &abs_time,
Predicate pred){};
template <class Rep, class Period>
cv_status wait_for(unique_lock<mutex> &lock,
const chrono::duration<Rep, Period> &rel_time){};
template <class Rep, class Period, class Predicate>
bool wait_for(unique_lock<mutex> &lock,
const chrono::duration<Rep, Period> &rel_time,
Predicate pred){};
};
} // namespace std
struct Node1 {
void *Node1;
struct Node1 *next;
};
static Node1 list;
static std::mutex m;
static std::condition_variable condition;
void consume_list_element(std::condition_variable &condition) {
std::unique_lock<std::mutex> lk(m);
if (list.next == nullptr) {
condition.wait(lk);
// CHECK-MESSAGES: :[[@LINE-1]]:15: warning: 'wait' should be placed inside a while statement or used with a conditional parameter [bugprone-spuriously-wake-up-functions]
}
while (list.next == nullptr) {
condition.wait(lk);
}
do {
condition.wait(lk);
} while (list.next == nullptr);
for (;; list.next == nullptr) {
condition.wait(lk);
}
if (list.next == nullptr) {
while (list.next == nullptr) {
condition.wait(lk);
}
}
if (list.next == nullptr) {
do {
condition.wait(lk);
} while (list.next == nullptr);
}
if (list.next == nullptr) {
for (;; list.next == nullptr) {
condition.wait(lk);
}
}
using durtype = std::chrono::duration<int, std::milli>;
durtype dur = std::chrono::duration<int, std::milli>();
if (list.next == nullptr) {
condition.wait_for(lk, dur);
// CHECK-MESSAGES: :[[@LINE-1]]:15: warning: 'wait_for' should be placed inside a while statement or used with a conditional parameter [bugprone-spuriously-wake-up-functions]
}
if (list.next == nullptr) {
condition.wait_for(lk, dur, [] { return 1; });
}
while (list.next == nullptr) {
condition.wait_for(lk, dur);
}
do {
condition.wait_for(lk, dur);
} while (list.next == nullptr);
for (;; list.next == nullptr) {
condition.wait_for(lk, dur);
}
auto now = std::chrono::system_clock::now();
if (list.next == nullptr) {
condition.wait_until(lk, now);
// CHECK-MESSAGES: :[[@LINE-1]]:15: warning: 'wait_until' should be placed inside a while statement or used with a conditional parameter [bugprone-spuriously-wake-up-functions]
}
if (list.next == nullptr) {
condition.wait_until(lk, now, [] { return 1; });
}
while (list.next == nullptr) {
condition.wait_until(lk, now);
}
do {
condition.wait_until(lk, now);
} while (list.next == nullptr);
for (;; list.next == nullptr) {
condition.wait_until(lk, now);
}
}
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