diff options
Diffstat (limited to 'locking.h')
-rw-r--r-- | locking.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/locking.h b/locking.h new file mode 100644 index 0000000..ac10d5d --- /dev/null +++ b/locking.h @@ -0,0 +1,97 @@ +/* + * netsniff-ng - the packet sniffing beast + * Copyright 2011 Daniel Borkmann. + * Subject to the GPL, version 2. + */ + +#ifndef LOCKING_H +#define LOCKING_H + +#include <pthread.h> + +#include "built_in.h" + +struct spinlock { + pthread_spinlock_t lock; +}; + +struct mutexlock { + pthread_mutex_t lock; +}; + +struct rwlock { + pthread_rwlock_t lock; +}; + +static inline int spinlock_init(struct spinlock *l) +{ + return -pthread_spin_init(&l->lock, 0); +} + +static inline void spinlock_destroy(struct spinlock *l) +{ + pthread_spin_destroy(&l->lock); +} + +static inline void spinlock_lock(struct spinlock *l) +{ + pthread_spin_lock(&l->lock); +} + +static inline void spinlock_unlock(struct spinlock *l) +{ + pthread_spin_unlock(&l->lock); +} + +static inline int mutexlock_init(struct mutexlock *l) +{ + return -pthread_mutex_init(&l->lock, 0); +} + +static inline void mutexlock_destroy(struct mutexlock *l) +{ + pthread_mutex_destroy(&l->lock); +} + +static inline void mutexlock_lock(struct mutexlock *l) +{ + pthread_mutex_lock(&l->lock); +} + +static inline void mutexlock_unlock(struct mutexlock *l) +{ + pthread_mutex_unlock(&l->lock); +} + +static inline int rwlock_init(struct rwlock *l) +{ + return -pthread_rwlock_init(&l->lock, 0); +} + +static inline int rwlock_init2(struct rwlock *l, + pthread_rwlockattr_t *restrict attr) +{ + return -pthread_rwlock_init(&l->lock, attr); +} + +static inline void rwlock_destroy(struct rwlock *l) +{ + pthread_rwlock_destroy(&l->lock); +} + +static inline void rwlock_rd_lock(struct rwlock *l) +{ + pthread_rwlock_rdlock(&l->lock); +} + +static inline void rwlock_wr_lock(struct rwlock *l) +{ + pthread_rwlock_wrlock(&l->lock); +} + +static inline void rwlock_unlock(struct rwlock *l) +{ + pthread_rwlock_unlock(&l->lock); +} + +#endif /* LOCKING_H */ |