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• This comparison shows the changes necessary to convert path

  → /trunk/kernel/generic/include/synch/rwlock.h @ 2105

  → /trunk/kernel/generic/include/synch/rwlock.h @ 2106

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 2105 → Rev 2106

/trunk/kernel/generic/include/synch/rwlock.h
48,22 → 48,28
typedef struct {
SPINLOCK_DECLARE(lock);
mutex_t exclusive; /**< Mutex for writers, readers can bypass it if readers_in is positive. */
count_t readers_in; /**< Number of readers in critical section. */
/**
* Mutex for writers, readers can bypass it if readers_in is positive.
*/
mutex_t exclusive;
/** Number of readers in critical section. */
count_t readers_in;
} rwlock_t;
#define rwlock_write_lock(rwl) \
_rwlock_write_lock_timeout((rwl),SYNCH_NO_TIMEOUT,SYNCH_FLAGS_NONE)
_rwlock_write_lock_timeout((rwl), SYNCH_NO_TIMEOUT, SYNCH_FLAGS_NONE)
#define rwlock_read_lock(rwl) \
_rwlock_read_lock_timeout((rwl),SYNCH_NO_TIMEOUT,SYNCH_FLAGS_NONE)
_rwlock_read_lock_timeout((rwl), SYNCH_NO_TIMEOUT, SYNCH_FLAGS_NONE)
#define rwlock_write_trylock(rwl) \
_rwlock_write_lock_timeout((rwl),SYNCH_NO_TIMEOUT,SYNCH_FLAGS_NON_BLOCKING)
_rwlock_write_lock_timeout((rwl), SYNCH_NO_TIMEOUT, \
SYNCH_FLAGS_NON_BLOCKING)
#define rwlock_read_trylock(rwl) \
_rwlock_read_lock_timeout((rwl),SYNCH_NO_TIMEOUT,SYNCH_FLAGS_NON_BLOCKING)
#define rwlock_write_lock_timeout(rwl,usec) \
_rwlock_write_lock_timeout((rwl),(usec),SYNCH_FLAGS_NONE)
#define rwlock_read_lock_timeout(rwl,usec) \
_rwlock_read_lock_timeout((rwl),(usec),SYNCH_FLAGS_NONE)
_rwlock_read_lock_timeout((rwl), SYNCH_NO_TIMEOUT, \
SYNCH_FLAGS_NON_BLOCKING)
#define rwlock_write_lock_timeout(rwl, usec) \
_rwlock_write_lock_timeout((rwl), (usec), SYNCH_FLAGS_NONE)
#define rwlock_read_lock_timeout(rwl, usec) \
_rwlock_read_lock_timeout((rwl), (usec), SYNCH_FLAGS_NONE)
extern void rwlock_initialize(rwlock_t *rwl);
extern void rwlock_read_unlock(rwlock_t *rwl);