diff options
Diffstat (limited to 'tdb/spinlock.h')
-rw-r--r-- | tdb/spinlock.h | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/tdb/spinlock.h b/tdb/spinlock.h deleted file mode 100644 index 8b0e833ff5..0000000000 --- a/tdb/spinlock.h +++ /dev/null @@ -1,55 +0,0 @@ -#ifndef __SPINLOCK_H__ -#define __SPINLOCK_H__ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include "tdb.h" - -#ifdef USE_SPINLOCKS - -#define RWLOCK_BIAS 0x1000UL - -/* OS SPECIFIC */ -#define MAX_BUSY_LOOPS 1000 -#undef USE_SCHED_YIELD - -/* ARCH SPECIFIC */ -/* We should make sure these are padded to a cache line */ -#if defined(SPARC_SPINLOCKS) -typedef volatile char spinlock_t; -#elif defined(POWERPC_SPINLOCKS) -typedef volatile unsigned long spinlock_t; -#elif defined(INTEL_SPINLOCKS) -typedef volatile int spinlock_t; -#elif defined(MIPS_SPINLOCKS) -typedef volatile unsigned long spinlock_t; -#else -#error Need to implement spinlock code in spinlock.h -#endif - -typedef struct { - spinlock_t lock; - volatile int count; -} tdb_rwlock_t; - -int tdb_spinlock(TDB_CONTEXT *tdb, int list, int rw_type); -int tdb_spinunlock(TDB_CONTEXT *tdb, int list, int rw_type); -int tdb_create_rwlocks(int fd, unsigned int hash_size); -int tdb_clear_spinlocks(TDB_CONTEXT *tdb); - -#else /* !USE_SPINLOCKS */ -#if 0 -#define tdb_create_rwlocks(fd, hash_size) 0 -#define tdb_spinlock(tdb, list, rw_type) (-1) -#define tdb_spinunlock(tdb, list, rw_type) (-1) -#else -int tdb_spinlock(TDB_CONTEXT *tdb, int list, int rw_type); -int tdb_spinunlock(TDB_CONTEXT *tdb, int list, int rw_type); -int tdb_create_rwlocks(int fd, unsigned int hash_size); -#endif -int tdb_clear_spinlocks(TDB_CONTEXT *tdb); -#endif - -#endif |