Commit 6cd172a4 authored by Damien Fouilleul's avatar Damien Fouilleul

vlc_threads: provide proper implementation of vlc_spinlock or WIN32 (Windows...

vlc_threads: provide proper implementation of vlc_spinlock or WIN32 (Windows 2000 required), avoid runtime assert
parent 32b18913
......@@ -771,7 +771,50 @@ static inline int vlc_spin_destroy (vlc_spinlock_t *spin)
{
return pthread_spin_destroy (&spin->spin);
}
#elif defined( WIN32 )
typedef CRITICAL_SECTION vlc_spinlock_t;
/**
* Initializes a spinlock.
*/
static inline int vlc_spin_init (vlc_spinlock_t *spin)
{
return !InitializeCriticalSectionAndSpinCount(spin, 4000);
}
/**
* Acquires a spinlock.
*/
static inline int vlc_spin_lock (vlc_spinlock_t *spin)
{
EnterCriticalSection(spin);
return 0;
}
/**
* Releases a spinlock.
*/
static inline int vlc_spin_unlock (vlc_spinlock_t *spin)
{
LeaveCriticalSection(spin);
return 0;
}
/**
* Deinitializes a spinlock.
*/
static inline int vlc_spin_destroy (vlc_spinlock_t *spin)
{
DeleteCriticalSection(spin);
return 0;
}
#else
/* Fallback to plain mutexes if spinlocks are not available */
typedef vlc_mutex_t vlc_spinlock_t;
......
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