Module: xenomai-3 Branch: stable-3.0.x Commit: fa4cdccef58432ede7403b3df2aaaeb2d55ad450 URL: http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=fa4cdccef58432ede7403b3df2aaaeb2d55ad450
Author: Philippe Gerum <r...@xenomai.org> Date: Mon Jan 18 11:12:51 2016 +0100 boilerplate/scope: add helpers for nullable reference This pair of additional helpers allows for conveying NULL into offset-based references. --- include/boilerplate/scope.h | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/include/boilerplate/scope.h b/include/boilerplate/scope.h index 98e1fe8..ded6a2c 100644 --- a/include/boilerplate/scope.h +++ b/include/boilerplate/scope.h @@ -37,9 +37,11 @@ int pshared_check(void *heap, void *addr); #define __memptr(__base, __off) ((void *)((caddr_t)(__base) + (__off))) #define __memchk(__base, __addr) pshared_check(__base, __addr) -#define __moff(__p) __memoff(__main_heap, __p) -#define __mptr(__off) __memptr(__main_heap, __off) -#define __mchk(__p) __memchk(__main_heap, __p) +#define __moff(__p) __memoff(__main_heap, __p) +#define __moff_nullable(__p) (__p ? __memoff(__main_heap, __p) : 0) +#define __mptr(__off) __memptr(__main_heap, __off) +#define __mptr_nullable(__off) (__off ? __memptr(__main_heap, __off) : NULL) +#define __mchk(__p) __memchk(__main_heap, __p) #define mutex_scope_attribute PTHREAD_PROCESS_SHARED #define sem_scope_attribute 1 @@ -58,9 +60,11 @@ int pshared_check(void *heap, void *addr); #define __memptr(__base, __off) (__off) #define __memchk(__base, __addr) 1 -#define __moff(__p) (__p) -#define __mptr(__off) (__off) -#define __mchk(__p) 1 +#define __moff(__p) (__p) +#define __moff_nullable(__p) (__p) +#define __mptr(__off) (__off) +#define __mptr_nullable(__off) (__off) +#define __mchk(__p) 1 #define mutex_scope_attribute PTHREAD_PROCESS_PRIVATE #define sem_scope_attribute 0 _______________________________________________ Xenomai-git mailing list Xenomai-git@xenomai.org http://xenomai.org/mailman/listinfo/xenomai-git
