X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Frts%2FRtsUtils.c;h=69a1450aea0d3ab1b30863beb22dc2815df69329;hb=8f0c89cbbbad60c4f05356fcb9053b7ed0c18075;hp=e67cd4683ad6d860d1add17629cf61e753f81411;hpb=438596897ebbe25a07e1c82085cfbc5bdb00f09e;p=ghc-hetmet.git diff --git a/ghc/rts/RtsUtils.c b/ghc/rts/RtsUtils.c index e67cd46..69a1450 100644 --- a/ghc/rts/RtsUtils.c +++ b/ghc/rts/RtsUtils.c @@ -1,21 +1,38 @@ /* ----------------------------------------------------------------------------- - * $Id: RtsUtils.c,v 1.2 1998/12/02 13:28:41 simonm Exp $ + * $Id: RtsUtils.c,v 1.28 2002/10/05 22:31:04 panne Exp $ + * + * (c) The GHC Team, 1998-1999 * * General utility functions used in the RTS. * * ---------------------------------------------------------------------------*/ +/* gettimeofday isn't POSIX */ +/* #include "PosixSource.h" */ + #include "Rts.h" +#include "RtsTypes.h" #include "RtsAPI.h" #include "RtsFlags.h" #include "Hooks.h" #include "Main.h" #include "RtsUtils.h" +#include "Ticky.h" #ifdef HAVE_TIME_H #include #endif +#ifdef HAVE_FCNTL_H +#include +#endif + +#ifdef HAVE_GETTIMEOFDAY +#include +#endif + +#include +#include #include /* variable-argument error function. */ @@ -24,7 +41,7 @@ void barf(char *s, ...) { va_list ap; va_start(ap,s); - fflush(stdout); + /* don't fflush(stdout); WORKAROUND bug in Linux glibc */ if (prog_argv != NULL && prog_argv[0] != NULL) { fprintf(stderr, "%s: fatal error: ", prog_argv[0]); } else { @@ -32,16 +49,32 @@ void barf(char *s, ...) } vfprintf(stderr, s, ap); fprintf(stderr, "\n"); - stg_exit(EXIT_FAILURE); + fflush(stderr); + stg_exit(EXIT_INTERNAL_ERROR); + va_end(ap); +} + +void prog_belch(char *s, ...) +{ + va_list ap; + va_start(ap,s); + /* don't fflush(stdout); WORKAROUND bug in Linux glibc */ + if (prog_argv != NULL && prog_argv[0] != NULL) { + fprintf(stderr, "%s: ", prog_argv[0]); + } + vfprintf(stderr, s, ap); + fprintf(stderr, "\n"); + va_end(ap); } void belch(char *s, ...) { va_list ap; va_start(ap,s); - fflush(stdout); + /* don't fflush(stdout); WORKAROUND bug in Linux glibc */ vfprintf(stderr, s, ap); fprintf(stderr, "\n"); + va_end(ap); } /* result-checking malloc wrappers. */ @@ -52,9 +85,9 @@ stgMallocBytes (int n, char *msg) char *space; if ((space = (char *) malloc((size_t) n)) == NULL) { - fflush(stdout); - MallocFailHook((W_) n, msg); /*msg*/ - stg_exit(EXIT_FAILURE); + /* don't fflush(stdout); WORKAROUND bug in Linux glibc */ + MallocFailHook((W_) n, msg); /*msg*/ + stg_exit(EXIT_INTERNAL_ERROR); } return space; } @@ -65,9 +98,9 @@ stgReallocBytes (void *p, int n, char *msg) char *space; if ((space = (char *) realloc(p, (size_t) n)) == NULL) { - fflush(stdout); - MallocFailHook((W_) n, msg); /*msg*/ - exit(EXIT_FAILURE); + /* don't fflush(stdout); WORKAROUND bug in Linux glibc */ + MallocFailHook((W_) n, msg); /*msg*/ + stg_exit(EXIT_INTERNAL_ERROR); } return space; } @@ -84,23 +117,25 @@ stgReallocWords (void *p, int n, char *msg) return(stgReallocBytes(p, n * sizeof(W_), msg)); } +void * +stgCallocBytes (int n, int m, char *msg) +{ + int i; + int sz = n * m; + char* p = stgMallocBytes(sz, msg); + for (i = 0; i < sz; i++) p[i] = 0; + return p; +} + void -_stgAssert (char *filename, nat linenum) +_stgAssert (char *filename, unsigned int linenum) { fflush(stdout); fprintf(stderr, "ASSERTION FAILED: file %s, line %u\n", filename, linenum); + fflush(stderr); abort(); } -StgStablePtr errorHandler = -1; /* -1 indicates no handler installed */ - -void -raiseError( StgStablePtr handler STG_UNUSED ) -{ - shutdownHaskell(); - stg_exit(EXIT_FAILURE); -} - /* ----------------------------------------------------------------------------- Stack overflow @@ -108,30 +143,27 @@ raiseError( StgStablePtr handler STG_UNUSED ) -------------------------------------------------------------------------- */ void -stackOverflow(nat max_stack_size) +stackOverflow(void) { - fflush(stdout); - StackOverflowHook(max_stack_size * sizeof(W_)); /*msg*/ + StackOverflowHook(RtsFlags.GcFlags.maxStkSize * sizeof(W_)); #if defined(TICKY_TICKY) - if (RTSflags.TickyFlags.showTickyStats) PrintTickyInfo(); + if (RtsFlags.TickyFlags.showTickyStats) PrintTickyInfo(); #endif - - stg_exit(EXIT_FAILURE); } void heapOverflow(void) { - fflush(stdout); - OutOfHeapHook(0/*unknown request size*/, - RtsFlags.GcFlags.maxHeapSize * BLOCK_SIZE); - + /* 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(); + if (RtsFlags.TickyFlags.showTickyStats) PrintTickyInfo(); #endif - stg_exit(EXIT_FAILURE); + stg_exit(EXIT_HEAPOVERFLOW); } /* ----------------------------------------------------------------------------- @@ -156,7 +188,7 @@ nat stg_strlen(char *s) ToDo: put this somewhere sensible. ------------------------------------------------------------------------- */ -I_ __GenSymCounter = 0; +static I_ __GenSymCounter = 0; I_ genSymZh(void) @@ -174,7 +206,7 @@ resetGenSymZh(void) /* it's your funeral */ Get the current time as a string. Used in profiling reports. -------------------------------------------------------------------------- */ -#if defined(PROFILING) || defined(DEBUG) +#if defined(PROFILING) || defined(DEBUG) || defined(PAR) || defined(GRAN) char * time_str(void) { @@ -192,6 +224,75 @@ time_str(void) #endif /* ----------------------------------------------------------------------------- + * Reset a file handle to blocking mode. We do this for the standard + * file descriptors before exiting, because the shell doesn't always + * clean up for us. + * -------------------------------------------------------------------------- */ + +#if !defined(mingw32_TARGET_OS) +void +resetNonBlockingFd(int fd) +{ + long fd_flags; + + /* clear the non-blocking flag on this file descriptor */ + fd_flags = fcntl(fd, F_GETFL); + if (fd_flags & O_NONBLOCK) { + fcntl(fd, F_SETFL, fd_flags & ~O_NONBLOCK); + } +} + +void +setNonBlockingFd(int fd) +{ + long fd_flags; + + /* clear the non-blocking flag on this file descriptor */ + fd_flags = fcntl(fd, F_GETFL); + fcntl(fd, F_SETFL, fd_flags | O_NONBLOCK); +} +#else +/* Don't support non-blocking FDs (yet) on mingw */ +void resetNonBlockingFd(int fd STG_UNUSED) {} +void setNonBlockingFd(int fd STG_UNUSED) {} +#endif + +static ullong startTime = 0; + +/* used in a parallel setup */ +ullong +msTime(void) +{ +# if defined(HAVE_GETCLOCK) && !defined(alpha_TARGET_ARCH) && !defined(hppa1_1_TARGET_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_TARGET_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 +} + +/* ----------------------------------------------------------------------------- Print large numbers, with punctuation. -------------------------------------------------------------------------- */ @@ -199,21 +300,21 @@ char * ullong_format_string(ullong x, char *s, rtsBool with_commas) { if (x < (ullong)1000) - sprintf(s, "%d", (nat)x); + sprintf(s, "%lu", (lnat)x); else if (x < (ullong)1000000) - sprintf(s, (with_commas) ? "%ld,%3.3ld" : "%ld%3.3ld", - (nat)((x)/(ullong)1000), - (nat)((x)%(ullong)1000)); + sprintf(s, (with_commas) ? "%lu,%3.3lu" : "%lu%3.3lu", + (lnat)((x)/(ullong)1000), + (lnat)((x)%(ullong)1000)); else if (x < (ullong)1000000000) - sprintf(s, (with_commas) ? "%ld,%3.3ld,%3.3ld" : "%ld%3.3ld%3.3ld", - (nat)((x)/(ullong)1000000), - (nat)((x)/(ullong)1000%(ullong)1000), - (nat)((x)%(ullong)1000)); + sprintf(s, (with_commas) ? "%lu,%3.3lu,%3.3lu" : "%lu%3.3lu%3.3lu", + (lnat)((x)/(ullong)1000000), + (lnat)((x)/(ullong)1000%(ullong)1000), + (lnat)((x)%(ullong)1000)); else - sprintf(s, (with_commas) ? "%ld,%3.3ld,%3.3ld,%3.3ld" : "%ld%3.3ld%3.3ld%3.3ld", - (nat)((x)/(ullong)1000000000), - (nat)((x)/(ullong)1000000%(ullong)1000), - (nat)((x)/(ullong)1000%(ullong)1000), - (nat)((x)%(ullong)1000)); + sprintf(s, (with_commas) ? "%lu,%3.3lu,%3.3lu,%3.3lu" : "%lu%3.3lu%3.3lu%3.3lu", + (lnat)((x)/(ullong)1000000000), + (lnat)((x)/(ullong)1000000%(ullong)1000), + (lnat)((x)/(ullong)1000%(ullong)1000), + (lnat)((x)%(ullong)1000)); return s; }