X-Git-Url: http://plrg.eecs.uci.edu/git/?p=model-checker.git;a=blobdiff_plain;f=datarace.h;h=78903d336832bb7439d4a8ab61799dd48f2ceed5;hp=7c24b6d56c1b400a311b0eaae5ef32e9ad0e8c31;hb=c123ef2c7d98d23474d2d2b121b56b502d75665b;hpb=5ea8e3d5d861ed363e5ac5f3b20b8181dd197efb diff --git a/datarace.h b/datarace.h index 7c24b6d..78903d3 100644 --- a/datarace.h +++ b/datarace.h @@ -42,22 +42,16 @@ struct DataRace { #define MASK16BIT 0xffff void initRaceDetector(); -void raceCheckWrite(thread_id_t thread, void *location, ClockVector *currClock); -void raceCheckRead(thread_id_t thread, const void *location, ClockVector *currClock); +void raceCheckWrite(thread_id_t thread, void *location); +void raceCheckRead(thread_id_t thread, const void *location); bool checkDataRaces(); void assert_race(struct DataRace *race); extern SnapVector unrealizedraces; -/** Basic encoding idea: - * (void *) Either: - * (1) points to a full record or - * - * (2) encodes the information in a 64 bit word. Encoding is as - * follows: lowest bit set to 1, next 8 bits are read thread id, next - * 23 bits are read clock vector, next 8 bites are write thread id, - * next 23 bits are write clock vector. */ - +/** + * @brief A record of information for detecting data races + */ struct RaceRecord { modelclock_t *readClock; thread_id_t *thread; @@ -81,6 +75,17 @@ struct RaceRecord { #define WRITEMASK READMASK #define WRITEVECTOR(x) (((x)>>40)&WRITEMASK) +/** + * The basic encoding idea is that (void *) either: + * -# points to a full record (RaceRecord) or + * -# encodes the information in a 64 bit word. Encoding is as + * follows: + * - lowest bit set to 1 + * - next 8 bits are read thread id + * - next 23 bits are read clock vector + * - next 8 bits are write thread id + * - next 23 bits are write clock vector + */ #define ENCODEOP(rdthread, rdtime, wrthread, wrtime) (0x1ULL | ((rdthread)<<1) | ((rdtime) << 9) | (((uint64_t)wrthread)<<32) | (((uint64_t)wrtime)<<40)) #define MAXTHREADID (THREADMASK-1)