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| author | mux <mux@FreeBSD.org> | 2003-06-13 19:39:21 +0000 |
|---|---|---|
| committer | mux <mux@FreeBSD.org> | 2003-06-13 19:39:21 +0000 |
| commit | c4ee7613fb723d0e7a9cfc0902efc6036d54ad12 (patch) | |
| tree | c5e05d919dd1062c4ffbaadb4e1e0dba806a4d60 /sys/kern | |
| parent | 83fd8b219f97b55ffe01f54ad4dc3812e2f659f6 (diff) | |
| download | FreeBSD-src-c4ee7613fb723d0e7a9cfc0902efc6036d54ad12.zip FreeBSD-src-c4ee7613fb723d0e7a9cfc0902efc6036d54ad12.tar.gz | |
Style(9).
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/kern_mtxpool.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/sys/kern/kern_mtxpool.c b/sys/kern/kern_mtxpool.c index 87e4adb..b93fcfa 100644 --- a/sys/kern/kern_mtxpool.c +++ b/sys/kern/kern_mtxpool.c @@ -1,5 +1,5 @@ /*- - * Copyright (c) 2001 Matthew Dillon. All Rights Reserved. Copyright + * Copyright (c) 2001 Matthew Dillon. All Rights Reserved. Copyright * terms are as specified in the COPYRIGHT file at the base of the source * tree. * @@ -14,13 +14,13 @@ * without adding bloat to the structures. * - mutexes can be obtained for invalid pointers, useful when uses * mutexes to interlock destructor ops. - * - no initialization/destructor overhead + * - no initialization/destructor overhead. * - can be used with msleep. * * Disadvantages: - * - should generally only be used as leaf mutexes + * - should generally only be used as leaf mutexes. * - pool/pool dependancy ordering cannot be depended on. - * - possible L1 cache mastersip contention between cpus + * - possible L1 cache mastersip contention between cpus. */ #include <sys/cdefs.h> @@ -38,7 +38,7 @@ __FBSDID("$FreeBSD$"); #ifndef MTX_POOL_SIZE #define MTX_POOL_SIZE 128 #endif -#define MTX_POOL_MASK (MTX_POOL_SIZE-1) +#define MTX_POOL_MASK (MTX_POOL_SIZE - 1) static struct mtx mtx_pool_ary[MTX_POOL_SIZE]; @@ -48,14 +48,13 @@ int mtx_pool_valid = 0; * Inline version of mtx_pool_find(), used to streamline our main API * function calls. */ -static __inline -struct mtx * +static __inline struct mtx * _mtx_pool_find(void *ptr) { int p; p = (int)(uintptr_t)ptr; - return(&mtx_pool_ary[(p ^ (p >> 6)) & MTX_POOL_MASK]); + return (&mtx_pool_ary[(p ^ (p >> 6)) & MTX_POOL_MASK]); } static void @@ -64,7 +63,8 @@ mtx_pool_setup(void *dummy __unused) int i; for (i = 0; i < MTX_POOL_SIZE; ++i) - mtx_init(&mtx_pool_ary[i], "pool mutex", NULL, MTX_DEF | MTX_NOWITNESS | MTX_QUIET); + mtx_init(&mtx_pool_ary[i], "pool mutex", NULL, + MTX_DEF | MTX_NOWITNESS | MTX_QUIET); mtx_pool_valid = 1; } @@ -77,7 +77,8 @@ struct mtx * mtx_pool_alloc(void) { static int si; - return(&mtx_pool_ary[si++ & MTX_POOL_MASK]); + + return (&mtx_pool_ary[si++ & MTX_POOL_MASK]); } /* @@ -89,16 +90,18 @@ mtx_pool_alloc(void) struct mtx * mtx_pool_find(void *ptr) { - return(_mtx_pool_find(ptr)); + + return (_mtx_pool_find(ptr)); } /* * Combined find/lock operation. Lock the pool mutex associated with * the specified address. */ -void +void mtx_pool_lock(void *ptr) { + mtx_lock(_mtx_pool_find(ptr)); } @@ -109,8 +112,8 @@ mtx_pool_lock(void *ptr) void mtx_pool_unlock(void *ptr) { + mtx_unlock(_mtx_pool_find(ptr)); } -SYSINIT(mtxpooli, SI_SUB_MTX_POOL, SI_ORDER_FIRST, mtx_pool_setup, NULL) - +SYSINIT(mtxpooli, SI_SUB_MTX_POOL, SI_ORDER_FIRST, mtx_pool_setup, NULL); |
