X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=datarace.h;h=78903d336832bb7439d4a8ab61799dd48f2ceed5;hb=634ad19a6e82ddefd9c30d01523fc7fb42540c4c;hp=d1f91b2057e2f98834f633766a71963dfa632187;hpb=122aad1259a2df612ad39c640551be8da9cb26b9;p=model-checker.git diff --git a/datarace.h b/datarace.h index d1f91b2..78903d3 100644 --- a/datarace.h +++ b/datarace.h @@ -5,8 +5,8 @@ #ifndef DATARACE_H #include "config.h" #include -#include #include "modeltypes.h" +#include "stl-model.h" /* Forward declaration */ class ClockVector; @@ -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 std::vector 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. */ +extern SnapVector unrealizedraces; +/** + * @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)