Module Name: src Committed By: riastradh Date: Sun Sep 8 16:07:29 UTC 2013
Modified Files: src/sys/external/bsd/drm2/include/linux [riastradh-drm2]: atomic.h Log Message: Add Linux ATOMIC_INIT, atomic_inc_return, and atomic_dec_return. To generate a diff of this commit: cvs rdiff -u -r1.1.2.10 -r1.1.2.11 \ src/sys/external/bsd/drm2/include/linux/atomic.h Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/external/bsd/drm2/include/linux/atomic.h diff -u src/sys/external/bsd/drm2/include/linux/atomic.h:1.1.2.10 src/sys/external/bsd/drm2/include/linux/atomic.h:1.1.2.11 --- src/sys/external/bsd/drm2/include/linux/atomic.h:1.1.2.10 Sun Sep 8 15:37:04 2013 +++ src/sys/external/bsd/drm2/include/linux/atomic.h Sun Sep 8 16:07:29 2013 @@ -1,4 +1,4 @@ -/* $NetBSD: atomic.h,v 1.1.2.10 2013/09/08 15:37:04 riastradh Exp $ */ +/* $NetBSD: atomic.h,v 1.1.2.11 2013/09/08 16:07:29 riastradh Exp $ */ /*- * Copyright (c) 2013 The NetBSD Foundation, Inc. @@ -43,6 +43,8 @@ struct atomic { } a_u; }; +#define ATOMIC_INIT(i) { .a_u = { .au_int = (i) } } + typedef struct atomic atomic_t; static inline int @@ -88,6 +90,18 @@ atomic_dec(atomic_t *atomic) } static inline int +atomic_inc_return(atomic_t *atomic) +{ + return (int)atomic_inc_uint_nv(&atomic->a_u.au_uint); +} + +static inline int +atomic_dec_return(atomic_t *atomic) +{ + return (int)atomic_dec_uint_nv(&atomic->a_u.au_uint); +} + +static inline int atomic_dec_and_test(atomic_t *atomic) { return (-1 == (int)atomic_dec_uint_nv(&atomic->a_u.au_uint));