#define PETSC_DESIRE_FEATURE_TEST_MACROS /* for fileno() */ #include /*I "petscsys.h" I*/ #include #include #if defined(PETSC_HAVE_UNISTD_H) #include #endif /*@C PetscIgnoreErrorHandler - Deprecated, use `PetscReturnErrorHandler()`. Ignores the error, allows program to continue as if error did not occure Not Collective Input Parameters: + comm - communicator over which error occurred . line - the line number of the error (indicated by __LINE__) . file - the file in which the error was detected (indicated by __FILE__) . mess - an error text string, usually just printed to the screen . n - the generic error number . p - specific error number - ctx - error handler context Level: developer Note: Users do not directly call this routine .seealso: `PetscReturnErrorHandler()` @*/ PetscErrorCode PetscIgnoreErrorHandler(MPI_Comm comm, int line, const char *fun, const char *file, PetscErrorCode n, PetscErrorType p, const char *mess, void *ctx) { return n; } /* ---------------------------------------------------------------------------------------*/ static char arch[128], hostname[128], username[128], pname[PETSC_MAX_PATH_LEN], date[128]; static PetscBool PetscErrorPrintfInitializeCalled = PETSC_FALSE; static char version[256]; /* Initializes arch, hostname, username, date so that system calls do NOT need to be made during the error handler. */ PetscErrorCode PetscErrorPrintfInitialize(void) { PetscBool use_stdout = PETSC_FALSE, use_none = PETSC_FALSE; PetscFunctionBegin; PetscCall(PetscGetArchType(arch, sizeof(arch))); PetscCall(PetscGetHostName(hostname, sizeof(hostname))); PetscCall(PetscGetUserName(username, sizeof(username))); PetscCall(PetscGetProgramName(pname, sizeof(pname))); PetscCall(PetscGetDate(date, sizeof(date))); PetscCall(PetscGetVersion(version, sizeof(version))); PetscCall(PetscOptionsGetBool(NULL, NULL, "-error_output_stdout", &use_stdout, NULL)); if (use_stdout) PETSC_STDERR = PETSC_STDOUT; PetscCall(PetscOptionsGetBool(NULL, NULL, "-error_output_none", &use_none, NULL)); if (use_none) PetscErrorPrintf = PetscErrorPrintfNone; PetscErrorPrintfInitializeCalled = PETSC_TRUE; PetscFunctionReturn(0); } PetscErrorCode PetscErrorPrintfNone(const char format[], ...) { return 0; } PetscErrorCode PetscErrorPrintfDefault(const char format[], ...) { va_list Argp; static PetscBool PetscErrorPrintfCalled = PETSC_FALSE; /* This function does not call PetscFunctionBegin and PetscFunctionReturn() because it may be called by PetscStackView(). This function does not do error checking because it is called by the error handlers. */ if (!PetscErrorPrintfCalled) { PetscErrorPrintfCalled = PETSC_TRUE; /* On the SGI machines and Cray T3E, if errors are generated "simultaneously" by different processors, the messages are printed all jumbled up; to try to prevent this we have each processor wait based on their rank */ #if defined(PETSC_CAN_SLEEP_AFTER_ERROR) { PetscMPIInt rank; if (PetscGlobalRank > 8) rank = 8; else rank = PetscGlobalRank; PetscSleep((PetscReal)rank); } #endif } PetscFPrintf(PETSC_COMM_SELF, PETSC_STDERR, "[%d]PETSC ERROR: ", PetscGlobalRank); va_start(Argp, format); (*PetscVFPrintf)(PETSC_STDERR, format, Argp); va_end(Argp); return 0; } /* On some systems when the stderr is nested through several levels of shell script before being passed to a file the isatty() falsely returns true resulting in the screen highlight variables being passed through the test harness. Therefore simply do not highlight when the PETSC_STDERR is PETSC_STDOUT. */ static void PetscErrorPrintfHilight(void) { #if defined(PETSC_HAVE_UNISTD_H) && defined(PETSC_USE_ISATTY) if (PetscErrorPrintf == PetscErrorPrintfDefault && PETSC_STDERR != PETSC_STDOUT) { if (isatty(fileno(PETSC_STDERR))) fprintf(PETSC_STDERR, "\033[1;31m"); } #endif } static void PetscErrorPrintfNormal(void) { #if defined(PETSC_HAVE_UNISTD_H) && defined(PETSC_USE_ISATTY) if (PetscErrorPrintf == PetscErrorPrintfDefault && PETSC_STDERR != PETSC_STDOUT) { if (isatty(fileno(PETSC_STDERR))) fprintf(PETSC_STDERR, "\033[0;39m\033[0;49m"); } #endif } PETSC_EXTERN PetscErrorCode PetscOptionsViewError(void); /*@C PetscTraceBackErrorHandler - Default error handler routine that generates a traceback on error detection. Not Collective Input Parameters: + comm - communicator over which error occurred . line - the line number of the error (indicated by __LINE__) . file - the file in which the error was detected (indicated by __FILE__) . mess - an error text string, usually just printed to the screen . n - the generic error number . p - `PETSC_ERROR_INITIAL` if this is the first call the error handler, otherwise `PETSC_ERROR_REPEAT` - ctx - error handler context Options Database Keys: + -error_output_stdout - output the error messages to stdout instead of the default stderr - -error_output_none - do not output the error messages Notes: Users do not directly call this routine Use `PetscPushErrorHandler()` to set the desired error handler. Level: developer .seealso: `PetscError()`, `PetscPushErrorHandler()`, `PetscPopErrorHandler()`, `PetscAttachDebuggerErrorHandler()`, `PetscAbortErrorHandler()`, `PetscMPIAbortErrorHandler()`, `PetscReturnErrorHandler()`, `PetscEmacsClientErrorHandler()` @*/ PetscErrorCode PetscTraceBackErrorHandler(MPI_Comm comm, int line, const char *fun, const char *file, PetscErrorCode n, PetscErrorType p, const char *mess, void *ctx) { PetscLogDouble mem, rss; PetscBool flg1 = PETSC_FALSE, flg2 = PETSC_FALSE, flg3 = PETSC_FALSE; PetscMPIInt rank = 0; if (comm != PETSC_COMM_SELF) MPI_Comm_rank(comm, &rank); if (rank == 0 && (!PetscCIEnabledPortableErrorOutput || PetscGlobalRank == 0)) { PetscBool ismain; static int cnt = 1; if (cnt == 1) { PetscErrorPrintfHilight(); (*PetscErrorPrintf)("--------------------- Error Message --------------------------------------------------------------\n"); PetscErrorPrintfNormal(); if (n == PETSC_ERR_MEM) { (*PetscErrorPrintf)("Out of memory. This could be due to allocating\n"); (*PetscErrorPrintf)("too large an object or bleeding by not properly\n"); (*PetscErrorPrintf)("destroying unneeded objects.\n"); PetscMallocGetCurrentUsage(&mem); PetscMemoryGetCurrentUsage(&rss); PetscOptionsGetBool(NULL, NULL, "-malloc_dump", &flg1, NULL); PetscOptionsGetBool(NULL, NULL, "-malloc_view", &flg2, NULL); PetscOptionsHasName(NULL, NULL, "-malloc_view_threshold", &flg3); if (flg2 || flg3) PetscMallocView(stdout); else { (*PetscErrorPrintf)("Memory allocated %.0f Memory used by process %.0f\n", mem, rss); if (flg1) PetscMallocDump(stdout); else (*PetscErrorPrintf)("Try running with -malloc_dump or -malloc_view for info.\n"); } } else { const char *text; PetscErrorMessage(n, &text, NULL); if (text) (*PetscErrorPrintf)("%s\n", text); } if (mess) (*PetscErrorPrintf)("%s\n", mess); PetscOptionsLeftError(); (*PetscErrorPrintf)("See https://petsc.org/release/faq/ for trouble shooting.\n"); if (!PetscCIEnabledPortableErrorOutput) { (*PetscErrorPrintf)("%s\n", version); if (PetscErrorPrintfInitializeCalled) (*PetscErrorPrintf)("%s on a %s named %s by %s %s\n", pname, arch, hostname, username, date); (*PetscErrorPrintf)("Configure options %s\n", petscconfigureoptions); } } /* print line of stack trace */ if (fun) (*PetscErrorPrintf)("#%d %s() at %s:%d\n", cnt++, fun, PetscCIFilename(file), PetscCILinenumber(line)); else if (file) (*PetscErrorPrintf)("#%d %s:%d\n", cnt++, PetscCIFilename(file), PetscCILinenumber(line)); if (fun) { PetscStrncmp(fun, "main", 4, &ismain); if (ismain) { if ((n <= PETSC_ERR_MIN_VALUE) || (n >= PETSC_ERR_MAX_VALUE)) (*PetscErrorPrintf)("Reached the main program with an out-of-range error code %d. This should never happen\n", n); PetscOptionsViewError(); PetscErrorPrintfHilight(); (*PetscErrorPrintf)("----------------End of Error Message -------send entire error message to petsc-maint@mcs.anl.gov----------\n"); PetscErrorPrintfNormal(); } } } else { /* do not print error messages since process 0 will print them, sleep before aborting so will not accidentally kill process 0*/ PetscSleep(10.0); exit(0); } return n; }