projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 93e618b0 JB |
1 | /* |
| 2 | * Copyright (c) 1980 Regents of the University of California. | |
| 3 | * All rights reserved. The Berkeley software License Agreement | |
| 4 | * specifies the terms and conditions for redistribution. | |
| 5 | * | |
| 5d6567db | 6 | * @(#)f77_abort.c 5.1 %G% |
| 93e618b0 JB |
7 | * |
| 8 | * all f77 aborts eventually call f77_abort. | |
| 9 | * f77_abort cleans up open files and terminates with a dump if needed, | |
| 10 | * with a message otherwise. | |
| 11 | * | |
| 12 | */ | |
| 13 | ||
| 14 | #include <signal.h> | |
| 15 | #include "fio.h" | |
| 16 | ||
| 17 | char *getenv(); | |
| 18 | extern int errno; | |
| 19 | extern int _dbsubc; /* dbsubc is non-zero if -lg was specified to ld */ | |
| 20 | ||
| 21 | f77_abort( err_val, act_core ) | |
| 22 | { | |
| 23 | char first_char, *env_var; | |
| 24 | int core_dump; | |
| 25 | ||
| 26 | env_var = getenv("f77_dump_flag"); | |
| 27 | first_char = (env_var == NULL) ? 0 : *env_var; | |
| 28 | ||
| 29 | signal(SIGILL, SIG_DFL); | |
| 30 | sigsetmask(0); /* don't block */ | |
| 31 | ||
| 32 | /* see if we want a core dump: | |
| 33 | first line checks for signals like hangup - don't dump then. | |
| 34 | second line checks if -lg specified to ld (e.g. by saying | |
| 35 | -g to f77) and checks the f77_dump_flag var. */ | |
| 36 | core_dump = ((nargs() != 2) || act_core) && | |
| 37 | ( (_dbsubc && (first_char != 'n')) || first_char == 'y'); | |
| 38 | ||
| 39 | if( !core_dump ) | |
| 40 | fprintf(units[STDERR].ufd,"*** Execution terminated\n"); | |
| 41 | ||
| 42 | f_exit(); | |
| 43 | _cleanup(); | |
| 44 | if( nargs() ) errno = err_val; | |
| 45 | else errno = -2; /* prior value will be meaningless, | |
| 46 | so set it to undefined value */ | |
| 47 | ||
| 48 | if( core_dump ) abort(); | |
| 49 | else exit( errno ); | |
| 50 | } |