X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=urcu%2Fcompiler.h;h=318ca65911d688a3168fbf3a0b96a845065369a3;hb=af67624df8d06ebaa5d72dd863a73d334611e900;hp=fc2425cd5ff2f4c0aaf8f83d4c820d36ec2a9424;hpb=e56d99bf2046a163875df80bab5195f38606dfde;p=urcu.git diff --git a/urcu/compiler.h b/urcu/compiler.h index fc2425c..318ca65 100644 --- a/urcu/compiler.h +++ b/urcu/compiler.h @@ -24,7 +24,7 @@ #define caa_likely(x) __builtin_expect(!!(x), 1) #define caa_unlikely(x) __builtin_expect(!!(x), 0) -#define cmm_barrier() asm volatile("" : : : "memory") +#define cmm_barrier() __asm__ __volatile__ ("" : : : "memory") /* * Instruct the compiler to perform only a single access to a variable @@ -38,7 +38,7 @@ * use is to mediate communication between process-level code and irq/NMI * handlers, all running on the same CPU. */ -#define CMM_ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x)) +#define CMM_ACCESS_ONCE(x) (*(__volatile__ __typeof__(x) *)&(x)) #ifndef caa_max #define caa_max(a,b) ((a)>(b)?(a):(b)) @@ -65,12 +65,12 @@ */ #define caa_container_of(ptr, type, member) \ ({ \ - const typeof(((type *) NULL)->member) * __ptr = (ptr); \ + const __typeof__(((type *) NULL)->member) * __ptr = (ptr); \ (type *)((char *)__ptr - offsetof(type, member)); \ }) #define CAA_BUILD_BUG_ON_ZERO(cond) (sizeof(struct { int:-!!(cond); })) -#define CAA_BUILD_BUG_ON(cond) ((void)BUILD_BUG_ON_ZERO(cond)) +#define CAA_BUILD_BUG_ON(cond) ((void)CAA_BUILD_BUG_ON_ZERO(cond)) /* * __rcu is an annotation that documents RCU pointer accesses that need @@ -91,4 +91,14 @@ #define caa_cast_long_keep_sign(v) \ (caa_is_signed_type(__typeof__(v)) ? (long) (v) : (unsigned long) (v)) +#if defined (__GNUC__) \ + && ((__GNUC_MAJOR__ == 4) && (__GNUC_MINOR__ >= 5) \ + || __GNUC_MAJOR__ >= 5) +#define CDS_DEPRECATED(msg) \ + __attribute__((deprecated(msg))) +#else +#define CDS_DEPRECATED(msg) \ + __attribute__((deprecated)) +#endif + #endif /* _URCU_COMPILER_H */