diff options
Diffstat (limited to 'src/core/platform.h')
| -rw-r--r-- | src/core/platform.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/core/platform.h b/src/core/platform.h index 21793086..bdec8bb6 100644 --- a/src/core/platform.h +++ b/src/core/platform.h @@ -63,41 +63,53 @@ extern void nni_free(void *, size_t); typedef struct nni_mutex nni_mutex; typedef struct nni_cond nni_cond; +typedef struct nni_plat_mtx nni_plat_mtx; +typedef struct nni_plat_cv nni_plat_cv; +typedef struct nni_plat_thr nni_plat_thr; + // Mutex handling. // nni_mutex_init initializes a mutex structure. This may require dynamic // allocation, depending on the platform. It can return NNG_ENOMEM if that // fails. +extern int nni_plat_mtx_init(nni_plat_mtx *); extern int nni_mutex_init(nni_mutex *); // nni_mutex_fini destroys the mutex and releases any resources allocated for // it's use. extern void nni_mutex_fini(nni_mutex *); +extern void nni_plat_mtx_fini(nni_plat_mtx *); // nni_mutex_enter locks the mutex. This is not recursive -- a mutex can only // be entered once. extern void nni_mutex_enter(nni_mutex *); +extern void nni_plat_mtx_lock(nni_plat_mtx *); // nni_mutex_exit unlocks the mutex. This can only be performed by the thread // that owned the mutex. extern void nni_mutex_exit(nni_mutex *); +extern void nni_plat_mtx_unlock(nni_plat_mtx *); // nni_mutex_tryenter tries to lock the mutex. If it can't, it may return // NNG_EBUSY. extern int nni_mutex_tryenter(nni_mutex *); +extern int nni_plat_mtx_trylock(nni_plat_mtx *); // nni_cond_init initializes a condition variable. We require a mutex be // supplied with it, and that mutex must always be held when performing any // operations on the condition variable (other than fini.) This may require // dynamic allocation, and if so this operation may fail with NNG_ENOMEM. extern int nni_cond_init(nni_cond *, nni_mutex *); +extern int nni_plat_cv_init(nni_plat_cv *, nni_plat_mtx *); // nni_cond_fini releases all resources associated with condition variable. extern void nni_cond_fini(nni_cond *); +extern void nni_plat_cv_fini(nni_plat_cv *); // nni_cond_broadcast wakes all waiters on the condition. This should be // called with the lock held. extern void nni_cond_broadcast(nni_cond *); +extern void nni_plat_cv_wake(nni_plat_cv *); // nni_cond_signal wakes a signal waiter. extern void nni_cond_signal(nni_cond *); @@ -106,23 +118,27 @@ extern void nni_cond_signal(nni_cond *); // associated lock is atomically released and reacquired upon wake up. // Callers can be spuriously woken. The associated lock must be held. extern void nni_cond_wait(nni_cond *); +extern void nni_plat_cv_wait(nni_plat_cv *); // nni_cond_waituntil waits for a wakeup on the condition variable, or // until the system time reaches the specified absolute time. (It is an // absolute form of nni_cond_timedwait.) Early wakeups are possible, so // check the condition. It will return either NNG_ETIMEDOUT, or 0. extern int nni_cond_waituntil(nni_cond *, nni_time); +extern int nni_plat_cv_until(nni_plat_cv *, nni_time); typedef struct nni_thread nni_thread; // nni_thread_creates a thread that runs the given function. The thread // receives a single argument. extern int nni_thread_create(nni_thread **, void (*fn)(void *), void *); +extern int nni_plat_thr_init(nni_plat_thr *, void (*)(void *), void *); // nni_thread_reap waits for the thread to exit, and then releases any // resources associated with the thread. After this returns, it // is an error to reference the thread in any further way. extern void nni_thread_reap(nni_thread *); +extern void nni_plat_thr_fini(nni_plat_thr *); // nn_clock returns a number of microseconds since some arbitrary time // in the past. The values returned by nni_clock must use the same base |