void Sys_SigHandler(int signal) { static qbool signalcaught = qfalse; const char *name; name = signame(signal); fprintf(stderr, "GOOFED: received signal %d (%s)", signal, name); if(signalcaught) fprintf(stderr, "DOUBLE SIGNAL FAULT: received signal %d (%s), exiting...\n", signal, name); else{ signalcaught = qtrue; vmsetforceunload(); if(!com_dedicated->integer) clshutdown(va("received signal %d (%s)", signal, name), qtrue, qtrue); svshutdown(va("received signal %d (%s)", signal, name)); vmclearforceunload(); } fflush(stdout); fflush(stderr); if(signal == SIGTERM || signal == SIGINT) Sys_Exit(1); else Sys_Exit(2); }
void cl_error (int errtype, char *diagstr, ...) { va_list args; register struct task *tp; static int nfatal = 0; static int break_locks = 1; va_start (args, diagstr); /* (Re)-initialize the error action. */ erract_init(); /* Safety measure, in the event of error recursion. */ if (err_abort) { if (nfatal) clexit(); if (errlev++ > 2) { nfatal++; eprintf ("Error recursion. Cl dies.\n"); clexit(); } } /* The first setjmp(errenv) is not done until we start the main loop. * Set validerrenv when start the first interactive cl to indicate that * we may safely longjmp back to main's loop on an error. ERRENV is * not set for bkg jobs since error restart is not permitted. */ if (!validerrenv && !(firstask->t_flags & T_BATCH)) { nfatal++; u_doprnt (diagstr, &args, currentask->t_stderr); if (errtype & E_P) perror ("\nOS errmsg"); else eprintf ("\n"); eprintf ("Fatal startup error. CL dies.\n"); clexit(); } /* Any error occurring during logout is fatal. */ if (loggingout || gologout) { nfatal++; u_doprnt (diagstr, &args, currentask->t_stderr); if (errtype & E_P) perror ("\nOS errmsg"); else eprintf ("\n"); eprintf ("Fatal logout error. CL dies.\n"); clexit(); } /* Perform any ONERROR error recovery in the vos first. Initialize * the error recovery mechanism (necessary since the iraf main is not * being allowed to do error recovery). */ c_xonerr (1); XER_RESET(); /* TODO: move into LIBC interface */ /* Clear terminal raw mode if still set. */ c_fseti ((XINT)STDIN, F_RAW, NO); if (firstask->t_flags & T_BATCH) eprintf ("\n[%d] ", bkgno); if (errtype & E_IERR) eprintf ("INTERNAL "); if (errtype & E_FERR) eprintf ("FATAL "); /* Disable error tracing if requested. */ if (err_trace == YES || (errtype & E_UERR)) { if (currentask->t_flags & T_SCRIPT && currentask->t_flags & T_INTERACTIVE) eprintf ("ERROR on line %d: ", errorline); else eprintf ("ERROR: "); u_doprnt (diagstr, &args, currentask->t_stderr); if (errtype & E_P) perror ("\nOS errmsg"); else eprintf ("\n"); } /* Log the error message if from a script or an executable. */ if (!errlog && keeplog() && log_errors()) { if (currentask->t_flags & T_SCRIPT || currentask->t_pid != -1) { PKCHAR buf[SZ_LINE+1]; FILE *fp; int fd; fd = c_stropen (buf, SZ_LINE, NEW_FILE); fp = fdopen (fd, "w"); fprintf (fp, "ERROR on line %d: ", errorline); u_doprnt (diagstr, &args, fp); fclose (fp); c_close (fd); putlog (currentask, c_strpak (buf, (char *)buf, SZ_LINE)); } } errlog = 0; /* Initialize the current command block but do not log the command * which aborted. If we're only trapping errors and not fully * recovering, don't reset the command block so we have the option * to continue execution. */ if ((err_abort == YES && do_error == NO) || (do_error == YES || (errtype & E_UERR))) yy_startblock (NOLOG); /* Delete all pipefiles. Call iofinish() first as some OS's may * require that the files be closed before they can be deleted. */ for (tp=currentask; !(tp->t_flags & T_INTERACTIVE); tp=next_task(tp)) { iofinish (tp); if (tp == firstask) break; } delpipes (0); /* Do not go on if this is a fatal error or we are unattended. */ if (errtype & E_FERR) { nfatal++; pr_dumpcache (0, break_locks); clexit(); } else if (firstask->t_flags & T_BATCH) clshutdown(); /* Reset state variables. */ /* Most of these probably needn't be reset, but we'll play * it safe. */ nestlevel = 0; /* set nesting to 0 */ offsetmode (0); /* offset mode to index */ ncaseval = 0; /* number of case values */ n_indexes = 0; imloopset = 0; /* in an implicit loop */ n_oarr = 0; /* implicit loop indicators */ i_oarr = 0; maybeindex = 0; /* sexagesimal/index range */ parse_state = PARSE_FREE; if (last_parm) { /* have we tried to add a param */ last_parm->p_np = NULL; currentask->t_pfp->pf_lastpp = last_parm; last_parm = NULL; } /* Set the error flag. */ errcom.errflag++; errcom.nhandlers++; /* Get back to an interactive state. We simply return if we're * trapping errors except when processing a E_UERR. These type * messages come from the CL itself and require user attention to * correct (e.g. task not found, parameter type/syntax errors, etc). * The calling procedure is not expecting us to return, so we cannot * properly trap without rewriting the calling code. */ if (cltrace) { eprintf ("cl_error: abort=%d beep=%d trace=%d flpr=%d\n", err_abort, err_beep, err_trace, err_flpr); eprintf ("cl_error: code=%d do_err=%d errtype=%d/%d task='%s'\n", errcom.errcode, do_error, errtype, errtype&E_UERR, currentask->t_ltp->lt_lname); } if ((err_abort == YES && do_error == NO) || (do_error == YES || (errtype & E_UERR))) { extern ErrCom errcom; register struct param *pp; if (!errcom.errcode && (errtype & E_UERR)) { errcom.errcode = errtype; strcpy (errcom.errmsg, diagstr); strcpy (errcom.task, currentask->t_ltp->lt_lname); pp = paramfind (firstask->t_pfp, "$errno", 0, YES); pp->p_val.v_i = errcom.errcode; pp = paramfind (firstask->t_pfp, "$errmsg", 0, YES); pp->p_val.v_s = errcom.errmsg; pp = paramfind (firstask->t_pfp, "$errtask", 0, YES); pp->p_val.v_s = errcom.task; } taskunwind(); /* If an abort occurs while interrupts are disabled they will * never get reenabled unless we do so here. */ intr_reset(); /* Go back to main loop in main(). */ va_end (args); longjmp (errenv, 1); } else { va_end (args); return; } }