X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Farch%2Fgeneric.h;h=e53ac564d5753216bd6400829deae651c03cf409;hp=5ec3a114763e458869a62d2518a1cf9dc2ce7050;hb=67ecffc0f530a7b5c4dd5111ea7dd3213da8eb91;hpb=d0bbd9c2e8322f036e0a0a70091cae98cad7e390 diff --git a/urcu/arch/generic.h b/urcu/arch/generic.h index 5ec3a11..e53ac56 100644 --- a/urcu/arch/generic.h +++ b/urcu/arch/generic.h @@ -23,6 +23,7 @@ #include #include +#include #ifdef __cplusplus extern "C" { @@ -61,7 +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() * @@ -149,6 +150,22 @@ extern "C" { #define caa_cpu_relax() cmm_barrier() #endif +#ifndef HAS_CAA_GET_CYCLES +#define HAS_CAA_GET_CYCLES +typedef unsigned long long cycles_t; + +static inline cycles_t caa_get_cycles (void) +{ + cycles_t thetime; + struct timeval tv; + + if (gettimeofday(&tv, NULL) != 0) + return 0; + thetime = ((cycles_t)tv.tv_sec) * 1000000ULL + ((cycles_t)tv.tv_usec); + return (cycles_t)thetime; +} +#endif /* HAS_CAA_GET_CYCLES */ + #ifdef __cplusplus } #endif