128 lines
6.1 KiB
Rust
128 lines
6.1 KiB
Rust
//@ignore-target-windows: No libc on Windows
|
|
|
|
fn main() {
|
|
test_mutex_libc_init_recursive();
|
|
test_mutex_libc_init_normal();
|
|
test_mutex_libc_init_errorcheck();
|
|
test_rwlock_libc_static_initializer();
|
|
|
|
#[cfg(any(target_os = "linux"))]
|
|
test_mutex_libc_static_initializer_recursive();
|
|
}
|
|
|
|
fn test_mutex_libc_init_recursive() {
|
|
unsafe {
|
|
let mut attr: libc::pthread_mutexattr_t = std::mem::zeroed();
|
|
assert_eq!(libc::pthread_mutexattr_init(&mut attr as *mut _), 0);
|
|
assert_eq!(
|
|
libc::pthread_mutexattr_settype(&mut attr as *mut _, libc::PTHREAD_MUTEX_RECURSIVE),
|
|
0,
|
|
);
|
|
let mut mutex: libc::pthread_mutex_t = std::mem::zeroed();
|
|
assert_eq!(libc::pthread_mutex_init(&mut mutex as *mut _, &mut attr as *mut _), 0);
|
|
assert_eq!(libc::pthread_mutex_lock(&mut mutex as *mut _), 0);
|
|
assert_eq!(libc::pthread_mutex_trylock(&mut mutex as *mut _), 0);
|
|
assert_eq!(libc::pthread_mutex_unlock(&mut mutex as *mut _), 0);
|
|
assert_eq!(libc::pthread_mutex_unlock(&mut mutex as *mut _), 0);
|
|
assert_eq!(libc::pthread_mutex_trylock(&mut mutex as *mut _), 0);
|
|
assert_eq!(libc::pthread_mutex_lock(&mut mutex as *mut _), 0);
|
|
assert_eq!(libc::pthread_mutex_unlock(&mut mutex as *mut _), 0);
|
|
assert_eq!(libc::pthread_mutex_unlock(&mut mutex as *mut _), 0);
|
|
assert_eq!(libc::pthread_mutex_unlock(&mut mutex as *mut _), libc::EPERM);
|
|
assert_eq!(libc::pthread_mutex_destroy(&mut mutex as *mut _), 0);
|
|
assert_eq!(libc::pthread_mutexattr_destroy(&mut attr as *mut _), 0);
|
|
}
|
|
}
|
|
|
|
fn test_mutex_libc_init_normal() {
|
|
unsafe {
|
|
let mut mutexattr: libc::pthread_mutexattr_t = std::mem::zeroed();
|
|
assert_eq!(
|
|
libc::pthread_mutexattr_settype(&mut mutexattr as *mut _, 0x12345678),
|
|
libc::EINVAL,
|
|
);
|
|
assert_eq!(
|
|
libc::pthread_mutexattr_settype(&mut mutexattr as *mut _, libc::PTHREAD_MUTEX_NORMAL),
|
|
0,
|
|
);
|
|
let mut mutex: libc::pthread_mutex_t = std::mem::zeroed();
|
|
assert_eq!(libc::pthread_mutex_init(&mut mutex as *mut _, &mutexattr as *const _), 0);
|
|
assert_eq!(libc::pthread_mutex_lock(&mut mutex as *mut _), 0);
|
|
assert_eq!(libc::pthread_mutex_trylock(&mut mutex as *mut _), libc::EBUSY);
|
|
assert_eq!(libc::pthread_mutex_unlock(&mut mutex as *mut _), 0);
|
|
assert_eq!(libc::pthread_mutex_trylock(&mut mutex as *mut _), 0);
|
|
assert_eq!(libc::pthread_mutex_unlock(&mut mutex as *mut _), 0);
|
|
assert_eq!(libc::pthread_mutex_destroy(&mut mutex as *mut _), 0);
|
|
}
|
|
}
|
|
|
|
fn test_mutex_libc_init_errorcheck() {
|
|
unsafe {
|
|
let mut mutexattr: libc::pthread_mutexattr_t = std::mem::zeroed();
|
|
assert_eq!(
|
|
libc::pthread_mutexattr_settype(
|
|
&mut mutexattr as *mut _,
|
|
libc::PTHREAD_MUTEX_ERRORCHECK,
|
|
),
|
|
0,
|
|
);
|
|
let mut mutex: libc::pthread_mutex_t = std::mem::zeroed();
|
|
assert_eq!(libc::pthread_mutex_init(&mut mutex as *mut _, &mutexattr as *const _), 0);
|
|
assert_eq!(libc::pthread_mutex_lock(&mut mutex as *mut _), 0);
|
|
assert_eq!(libc::pthread_mutex_trylock(&mut mutex as *mut _), libc::EBUSY);
|
|
assert_eq!(libc::pthread_mutex_lock(&mut mutex as *mut _), libc::EDEADLK);
|
|
assert_eq!(libc::pthread_mutex_unlock(&mut mutex as *mut _), 0);
|
|
assert_eq!(libc::pthread_mutex_trylock(&mut mutex as *mut _), 0);
|
|
assert_eq!(libc::pthread_mutex_unlock(&mut mutex as *mut _), 0);
|
|
assert_eq!(libc::pthread_mutex_unlock(&mut mutex as *mut _), libc::EPERM);
|
|
assert_eq!(libc::pthread_mutex_destroy(&mut mutex as *mut _), 0);
|
|
}
|
|
}
|
|
|
|
// Only linux provides PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP,
|
|
// libc for macOS just has the default PTHREAD_MUTEX_INITIALIZER.
|
|
#[cfg(target_os = "linux")]
|
|
fn test_mutex_libc_static_initializer_recursive() {
|
|
let mutex = std::cell::UnsafeCell::new(libc::PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP);
|
|
unsafe {
|
|
assert_eq!(libc::pthread_mutex_lock(mutex.get()), 0);
|
|
assert_eq!(libc::pthread_mutex_trylock(mutex.get()), 0);
|
|
assert_eq!(libc::pthread_mutex_unlock(mutex.get()), 0);
|
|
assert_eq!(libc::pthread_mutex_unlock(mutex.get()), 0);
|
|
assert_eq!(libc::pthread_mutex_trylock(mutex.get()), 0);
|
|
assert_eq!(libc::pthread_mutex_lock(mutex.get()), 0);
|
|
assert_eq!(libc::pthread_mutex_unlock(mutex.get()), 0);
|
|
assert_eq!(libc::pthread_mutex_unlock(mutex.get()), 0);
|
|
assert_eq!(libc::pthread_mutex_unlock(mutex.get()), libc::EPERM);
|
|
assert_eq!(libc::pthread_mutex_destroy(mutex.get()), 0);
|
|
}
|
|
}
|
|
|
|
// Testing the behavior of std::sync::RwLock does not fully exercise the pthread rwlock shims, we
|
|
// need to go a layer deeper and test the behavior of the libc functions, because
|
|
// std::sys::unix::rwlock::RWLock itself keeps track of write_locked and num_readers.
|
|
fn test_rwlock_libc_static_initializer() {
|
|
let rw = std::cell::UnsafeCell::new(libc::PTHREAD_RWLOCK_INITIALIZER);
|
|
unsafe {
|
|
assert_eq!(libc::pthread_rwlock_rdlock(rw.get()), 0);
|
|
assert_eq!(libc::pthread_rwlock_rdlock(rw.get()), 0);
|
|
assert_eq!(libc::pthread_rwlock_unlock(rw.get()), 0);
|
|
assert_eq!(libc::pthread_rwlock_tryrdlock(rw.get()), 0);
|
|
assert_eq!(libc::pthread_rwlock_unlock(rw.get()), 0);
|
|
assert_eq!(libc::pthread_rwlock_trywrlock(rw.get()), libc::EBUSY);
|
|
assert_eq!(libc::pthread_rwlock_unlock(rw.get()), 0);
|
|
|
|
assert_eq!(libc::pthread_rwlock_wrlock(rw.get()), 0);
|
|
assert_eq!(libc::pthread_rwlock_tryrdlock(rw.get()), libc::EBUSY);
|
|
assert_eq!(libc::pthread_rwlock_trywrlock(rw.get()), libc::EBUSY);
|
|
assert_eq!(libc::pthread_rwlock_unlock(rw.get()), 0);
|
|
|
|
assert_eq!(libc::pthread_rwlock_trywrlock(rw.get()), 0);
|
|
assert_eq!(libc::pthread_rwlock_tryrdlock(rw.get()), libc::EBUSY);
|
|
assert_eq!(libc::pthread_rwlock_trywrlock(rw.get()), libc::EBUSY);
|
|
assert_eq!(libc::pthread_rwlock_unlock(rw.get()), 0);
|
|
|
|
assert_eq!(libc::pthread_rwlock_destroy(rw.get()), 0);
|
|
}
|
|
}
|