diff options
-rw-r--r-- | include/asm-alpha/rwsem.h | 5 | ||||
-rw-r--r-- | include/asm-i386/rwsem.h | 5 | ||||
-rw-r--r-- | include/asm-ia64/rwsem.h | 5 | ||||
-rw-r--r-- | include/asm-ppc/rwsem.h | 5 | ||||
-rw-r--r-- | include/asm-ppc64/rwsem.h | 5 | ||||
-rw-r--r-- | include/asm-s390/rwsem.h | 5 | ||||
-rw-r--r-- | include/asm-sh/rwsem.h | 5 | ||||
-rw-r--r-- | include/asm-sparc64/rwsem.h | 5 | ||||
-rw-r--r-- | include/asm-x86_64/rwsem.h | 5 | ||||
-rw-r--r-- | include/linux/rwsem-spinlock.h | 5 |
10 files changed, 50 insertions, 0 deletions
diff --git a/include/asm-alpha/rwsem.h b/include/asm-alpha/rwsem.h index 8e058a6..fafdd4f 100644 --- a/include/asm-alpha/rwsem.h +++ b/include/asm-alpha/rwsem.h @@ -262,5 +262,10 @@ static inline long rwsem_atomic_update(long val, struct rw_semaphore *sem) #endif } +static inline int rwsem_is_locked(struct rw_semaphore *sem) +{ + return (sem->count != 0); +} + #endif /* __KERNEL__ */ #endif /* _ALPHA_RWSEM_H */ diff --git a/include/asm-i386/rwsem.h b/include/asm-i386/rwsem.h index 7625a67..be4ab85 100644 --- a/include/asm-i386/rwsem.h +++ b/include/asm-i386/rwsem.h @@ -284,5 +284,10 @@ LOCK_PREFIX "xadd %0,(%2)" return tmp+delta; } +static inline int rwsem_is_locked(struct rw_semaphore *sem) +{ + return (sem->count != 0); +} + #endif /* __KERNEL__ */ #endif /* _I386_RWSEM_H */ diff --git a/include/asm-ia64/rwsem.h b/include/asm-ia64/rwsem.h index e18b5ab..1327c91 100644 --- a/include/asm-ia64/rwsem.h +++ b/include/asm-ia64/rwsem.h @@ -186,4 +186,9 @@ __downgrade_write (struct rw_semaphore *sem) #define rwsem_atomic_add(delta, sem) atomic64_add(delta, (atomic64_t *)(&(sem)->count)) #define rwsem_atomic_update(delta, sem) atomic64_add_return(delta, (atomic64_t *)(&(sem)->count)) +static inline int rwsem_is_locked(struct rw_semaphore *sem) +{ + return (sem->count != 0); +} + #endif /* _ASM_IA64_RWSEM_H */ diff --git a/include/asm-ppc/rwsem.h b/include/asm-ppc/rwsem.h index 3e738f4..3501ea7 100644 --- a/include/asm-ppc/rwsem.h +++ b/include/asm-ppc/rwsem.h @@ -168,5 +168,10 @@ static inline int rwsem_atomic_update(int delta, struct rw_semaphore *sem) return atomic_add_return(delta, (atomic_t *)(&sem->count)); } +static inline int rwsem_is_locked(struct rw_semaphore *sem) +{ + return (sem->count != 0); +} + #endif /* __KERNEL__ */ #endif /* _PPC_RWSEM_XADD_H */ diff --git a/include/asm-ppc64/rwsem.h b/include/asm-ppc64/rwsem.h index bd5c2f0..7a647fa 100644 --- a/include/asm-ppc64/rwsem.h +++ b/include/asm-ppc64/rwsem.h @@ -163,5 +163,10 @@ static inline int rwsem_atomic_update(int delta, struct rw_semaphore *sem) return atomic_add_return(delta, (atomic_t *)(&sem->count)); } +static inline int rwsem_is_locked(struct rw_semaphore *sem) +{ + return (sem->count != 0); +} + #endif /* __KERNEL__ */ #endif /* _PPC_RWSEM_XADD_H */ diff --git a/include/asm-s390/rwsem.h b/include/asm-s390/rwsem.h index 8c0cebb..0422a08 100644 --- a/include/asm-s390/rwsem.h +++ b/include/asm-s390/rwsem.h @@ -351,5 +351,10 @@ static inline long rwsem_atomic_update(long delta, struct rw_semaphore *sem) return new; } +static inline int rwsem_is_locked(struct rw_semaphore *sem) +{ + return (sem->count != 0); +} + #endif /* __KERNEL__ */ #endif /* _S390_RWSEM_H */ diff --git a/include/asm-sh/rwsem.h b/include/asm-sh/rwsem.h index 1be4337..0262d3d 100644 --- a/include/asm-sh/rwsem.h +++ b/include/asm-sh/rwsem.h @@ -166,5 +166,10 @@ static inline int rwsem_atomic_update(int delta, struct rw_semaphore *sem) return atomic_add_return(delta, (atomic_t *)(&sem->count)); } +static inline int rwsem_is_locked(struct rw_semaphore *sem) +{ + return (sem->count != 0); +} + #endif /* __KERNEL__ */ #endif /* _ASM_SH_RWSEM_H */ diff --git a/include/asm-sparc64/rwsem.h b/include/asm-sparc64/rwsem.h index 4568ee4..cef5e82 100644 --- a/include/asm-sparc64/rwsem.h +++ b/include/asm-sparc64/rwsem.h @@ -56,6 +56,11 @@ static inline void rwsem_atomic_add(int delta, struct rw_semaphore *sem) atomic_add(delta, (atomic_t *)(&sem->count)); } +static inline int rwsem_is_locked(struct rw_semaphore *sem) +{ + return (sem->count != 0); +} + #endif /* __KERNEL__ */ #endif /* _SPARC64_RWSEM_H */ diff --git a/include/asm-x86_64/rwsem.h b/include/asm-x86_64/rwsem.h index c002175..46077e9 100644 --- a/include/asm-x86_64/rwsem.h +++ b/include/asm-x86_64/rwsem.h @@ -274,5 +274,10 @@ LOCK_PREFIX "xaddl %0,(%2)" return tmp+delta; } +static inline int rwsem_is_locked(struct rw_semaphore *sem) +{ + return (sem->count != 0); +} + #endif /* __KERNEL__ */ #endif /* _X8664_RWSEM_H */ diff --git a/include/linux/rwsem-spinlock.h b/include/linux/rwsem-spinlock.h index b52a2af..f30f805 100644 --- a/include/linux/rwsem-spinlock.h +++ b/include/linux/rwsem-spinlock.h @@ -61,5 +61,10 @@ extern void FASTCALL(__up_read(struct rw_semaphore *sem)); extern void FASTCALL(__up_write(struct rw_semaphore *sem)); extern void FASTCALL(__downgrade_write(struct rw_semaphore *sem)); +static inline int rwsem_is_locked(struct rw_semaphore *sem) +{ + return (sem->activity != 0); +} + #endif /* __KERNEL__ */ #endif /* _LINUX_RWSEM_SPINLOCK_H */ |