X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=rts%2FRtsUtils.c;h=3091aa1f8958743df91e337c877b754dd9b02d41;hb=aa0c0de94e25aa64139688f8e4c4ba51ddca6f54;hp=0123531e27ab3a8bdeed2607e852e065ae29898f;hpb=224a7fa07de24c67f52bc613f31ae1bf453cd7b8;p=ghc-hetmet.git diff --git a/rts/RtsUtils.c b/rts/RtsUtils.c index 0123531..3091aa1 100644 --- a/rts/RtsUtils.c +++ b/rts/RtsUtils.c @@ -13,6 +13,7 @@ #include "RtsFlags.h" #include "RtsUtils.h" #include "Ticky.h" +#include "Schedule.h" #ifdef HAVE_TIME_H #include @@ -272,15 +273,14 @@ stackOverflow(void) void heapOverflow(void) { - /* don't fflush(stdout); WORKAROUND bug in Linux glibc */ - OutOfHeapHook(0/*unknown request size*/, - RtsFlags.GcFlags.maxHeapSize * BLOCK_SIZE); - -#if defined(TICKY_TICKY) - if (RtsFlags.TickyFlags.showTickyStats) PrintTickyInfo(); -#endif + if (!heap_overflow) + { + /* don't fflush(stdout); WORKAROUND bug in Linux glibc */ + OutOfHeapHook(0/*unknown request size*/, + RtsFlags.GcFlags.maxHeapSize * BLOCK_SIZE); - stg_exit(EXIT_HEAPOVERFLOW); + heap_overflow = rtsTrue; + } } /* ----------------------------------------------------------------------------- @@ -380,43 +380,6 @@ void resetNonBlockingFd(int fd STG_UNUSED) {} void setNonBlockingFd(int fd STG_UNUSED) {} #endif -#ifdef PAR -static ullong startTime = 0; - -/* used in a parallel setup */ -ullong -msTime(void) -{ -# if defined(HAVE_GETCLOCK) && !defined(alpha_HOST_ARCH) && !defined(hppa1_1_HOST_ARCH) - struct timespec tv; - - if (getclock(TIMEOFDAY, &tv) != 0) { - fflush(stdout); - fprintf(stderr, "Clock failed\n"); - stg_exit(EXIT_FAILURE); - } - return tv.tv_sec * LL(1000) + tv.tv_nsec / LL(1000000) - startTime; -# elif HAVE_GETTIMEOFDAY && !defined(alpha_HOST_ARCH) - struct timeval tv; - - if (gettimeofday(&tv, NULL) != 0) { - fflush(stdout); - fprintf(stderr, "Clock failed\n"); - stg_exit(EXIT_FAILURE); - } - return tv.tv_sec * LL(1000) + tv.tv_usec / LL(1000) - startTime; -# else - time_t t; - if ((t = time(NULL)) == (time_t) -1) { - fflush(stdout); - fprintf(stderr, "Clock failed\n"); - stg_exit(EXIT_FAILURE); - } - return t * LL(1000) - startTime; -# endif -} -#endif /* PAR */ - /* ----------------------------------------------------------------------------- Print large numbers, with punctuation. -------------------------------------------------------------------------- */ @@ -473,17 +436,42 @@ static void mkRtsInfoPair(char *key, char *val) { printf(" ,(\"%s\", \"%s\")\n", key, val); } +/* This little bit of magic allows us to say TOSTRING(SYM) and get + * "5" if SYM is 5 */ +#define TOSTRING2(x) #x +#define TOSTRING(x) TOSTRING2(x) + void printRtsInfo(void) { /* The first entry is just a hack to make it easy to get the * commas right */ - printf(" [(\"GHC RTS\", \"Yes\")\n"); + printf(" [(\"GHC RTS\", \"YES\")\n"); mkRtsInfoPair("GHC version", ProjectVersion); mkRtsInfoPair("RTS way", RtsWay); mkRtsInfoPair("Host platform", HostPlatform); + mkRtsInfoPair("Host architecture", HostArch); + mkRtsInfoPair("Host OS", HostOS); + mkRtsInfoPair("Host vendor", HostVendor); mkRtsInfoPair("Build platform", BuildPlatform); + mkRtsInfoPair("Build architecture", BuildArch); + mkRtsInfoPair("Build OS", BuildOS); + mkRtsInfoPair("Build vendor", BuildVendor); mkRtsInfoPair("Target platform", TargetPlatform); + mkRtsInfoPair("Target architecture", TargetArch); + mkRtsInfoPair("Target OS", TargetOS); + mkRtsInfoPair("Target vendor", TargetVendor); + mkRtsInfoPair("Word size", TOSTRING(WORD_SIZE_IN_BITS)); mkRtsInfoPair("Compiler unregisterised", GhcUnregisterised); mkRtsInfoPair("Tables next to code", GhcEnableTablesNextToCode); printf(" ]\n"); } +// Provides a way for Haskell programs to tell whether they're being +// profiled or not. GHCi uses it (see #2197). +int rts_isProfiled(void) +{ +#ifdef PROFILING + return 1; +#else + return 0; +#endif +}