projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 547779a8 WH |
1 | /* STARTUP PROCEDURE FOR UNIX FORTRAN PROGRAMS */ |
| 2 | ||
| 3 | #include "stdio.h" | |
| 4 | #include "signal.h" | |
| 5 | ||
| 6 | #ifndef SIGIOT | |
| 7 | #define SIGIOT SIGABRT | |
| 8 | #endif | |
| 9 | ||
| 10 | #ifndef KR_headers | |
| 11 | #include "stdlib.h" | |
| 12 | #endif | |
| 13 | #ifdef __cplusplus | |
| 14 | extern "C" { | |
| 15 | #endif | |
| 16 | ||
| 17 | #ifdef NO__STDC | |
| 18 | #define ONEXIT onexit | |
| 19 | extern void f_exit(); | |
| 20 | #else | |
| 21 | #ifndef KR_headers | |
| 22 | extern void f_exit(void); | |
| 23 | #ifndef NO_ONEXIT | |
| 24 | #define ONEXIT atexit | |
| 25 | extern int atexit(void (*)(void)); | |
| 26 | #endif | |
| 27 | #else | |
| 28 | #ifndef NO_ONEXIT | |
| 29 | #define ONEXIT onexit | |
| 30 | extern void f_exit(); | |
| 31 | #endif | |
| 32 | #endif | |
| 33 | #endif | |
| 34 | ||
| 35 | #ifdef KR_headers | |
| 36 | extern void f_init(), sig_die(); | |
| 37 | extern int MAIN__(); | |
| 38 | #define Int /* int */ | |
| 39 | #else | |
| 40 | extern void f_init(void), sig_die(char*, int); | |
| 41 | extern int MAIN__(void); | |
| 42 | #define Int int | |
| 43 | #endif | |
| 44 | ||
| 45 | static void sigfdie(Int n) | |
| 46 | { | |
| 47 | sig_die("Floating Exception", 1); | |
| 48 | } | |
| 49 | ||
| 50 | ||
| 51 | static void sigidie(Int n) | |
| 52 | { | |
| 53 | sig_die("IOT Trap", 1); | |
| 54 | } | |
| 55 | ||
| 56 | #ifdef SIGQUIT | |
| 57 | static void sigqdie(Int n) | |
| 58 | { | |
| 59 | sig_die("Quit signal", 1); | |
| 60 | } | |
| 61 | #endif | |
| 62 | ||
| 63 | ||
| 64 | static void sigindie(Int n) | |
| 65 | { | |
| 66 | sig_die("Interrupt", 0); | |
| 67 | } | |
| 68 | ||
| 69 | static void sigtdie(Int n) | |
| 70 | { | |
| 71 | sig_die("Killed", 0); | |
| 72 | } | |
| 73 | ||
| 74 | #ifdef SIGTRAP | |
| 75 | static void sigtrdie(Int n) | |
| 76 | { | |
| 77 | sig_die("Trace trap", 1); | |
| 78 | } | |
| 79 | #endif | |
| 80 | ||
| 81 | ||
| 82 | int xargc; | |
| 83 | char **xargv; | |
| 84 | ||
| 85 | #ifdef KR_headers | |
| 86 | main(argc, argv) int argc; char **argv; | |
| 87 | #else | |
| 88 | main(int argc, char **argv) | |
| 89 | #endif | |
| 90 | { | |
| 91 | xargc = argc; | |
| 92 | xargv = argv; | |
| 93 | signal(SIGFPE, sigfdie); /* ignore underflow, enable overflow */ | |
| 94 | signal(SIGIOT, sigidie); | |
| 95 | #ifdef SIGTRAP | |
| 96 | signal(SIGTRAP, sigtrdie); | |
| 97 | #endif | |
| 98 | #ifdef SIGQUIT | |
| 99 | if(signal(SIGQUIT,sigqdie) == SIG_IGN) | |
| 100 | signal(SIGQUIT, SIG_IGN); | |
| 101 | #endif | |
| 102 | if(signal(SIGINT, sigindie) == SIG_IGN) | |
| 103 | signal(SIGINT, SIG_IGN); | |
| 104 | signal(SIGTERM,sigtdie); | |
| 105 | ||
| 106 | #ifdef pdp11 | |
| 107 | ldfps(01200); /* detect overflow as an exception */ | |
| 108 | #endif | |
| 109 | ||
| 110 | f_init(); | |
| 111 | #ifndef NO_ONEXIT | |
| 112 | ONEXIT(f_exit); | |
| 113 | #endif | |
| 114 | MAIN__(); | |
| 115 | #ifdef NO_ONEXIT | |
| 116 | f_exit(); | |
| 117 | #endif | |
| 118 | exit(0); /* exit(0) rather than return(0) to bypass Cray bug */ | |
| 119 | return 0; /* For compilers that complain of missing return values; */ | |
| 120 | /* others will complain that this is unreachable code. */ | |
| 121 | } | |
| 122 | #ifdef __cplusplus | |
| 123 | } | |
| 124 | #endif |