X-Git-Url: http://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Farch%2Fgeneric.h;h=d42359557ef9147eafed2f2f077954e4246138ed;hp=3f7521ebdd820261b7b2b43b328692a6186319f7;hb=3fa182868e25068413fdaa1bef290365e99ab246;hpb=999991c6e4600c410181baea65bda9f406464872 diff --git a/urcu/arch/generic.h b/urcu/arch/generic.h index 3f7521e..d423595 100644 --- a/urcu/arch/generic.h +++ b/urcu/arch/generic.h @@ -62,7 +62,7 @@ extern "C" { /* * Architectures without cache coherency need something like the following: * - * #define cmm_mc() arch_cache_flush() + * #define cmm_mc() arch_cache_flush() * #define cmm_rmc() arch_cache_flush_read() * #define cmm_wmc() arch_cache_flush_write() * @@ -150,6 +150,24 @@ extern "C" { #define caa_cpu_relax() cmm_barrier() #endif +#ifndef HAS_CAA_GET_CYCLES +#define HAS_CAA_GET_CYCLES + +#include +#include + +typedef uint64_t caa_cycles_t; + +static inline caa_cycles_t caa_get_cycles (void) +{ + struct timespec ts; + + if (caa_unlikely(clock_gettime(CLOCK_MONOTONIC, &ts))) + return -1ULL; + return ((uint64_t) ts.tv_sec * 1000000000ULL) + ts.tv_nsec; +} +#endif /* HAS_CAA_GET_CYCLES */ + #ifdef __cplusplus } #endif