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 */