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Annotation of os2sdk/include/signal.h, revision 1.1.1.1

1.1       root        1: /***
                      2: *signal.h - defines signal values and routines
                      3: *
                      4: *   Copyright (c) 1985-1987, Microsoft Corporation.  All rights reserved.
                      5: *
                      6: *Purpose:
                      7: *   This file defines the signal values and declares the signal functions.
                      8: *   [ANSI/System V]
                      9: *
                     10: *******************************************************************************/
                     11: 
                     12: 
                     13: #ifndef NO_EXT_KEYS /* extensions enabled */
                     14:     #define _CDECL  cdecl
                     15: #else /* extensions not enabled */
                     16:     #define _CDECL
                     17: #endif /* NO_EXT_KEYS */
                     18: 
                     19: 
                     20: #ifndef _SIG_ATOMIC_T_DEFINED
                     21: typedef int sig_atomic_t;
                     22: #define _SIG_ATOMIC_T_DEFINED
                     23: #endif
                     24: 
                     25: 
                     26: #define NSIG 23     /* maximum signal number + 1 */
                     27: 
                     28: /* signal types */
                     29: /* SIGINT, SIGFPE, SIGILL, SIGSEGV, and SIGABRT are recognized on DOS 3.x */
                     30: 
                     31: #define SIGINT      2   /* interrupt - corresponds to DOS 3.x int 23H */
                     32: #define SIGILL      4   /* illegal instruction - invalid function image */
                     33: #define SIGFPE      8   /* floating point exception */
                     34: #define SIGSEGV     11  /* segment violation */
                     35: #define SIGTERM     15  /* Software termination signal from kill */
                     36: #define SIGUSR1     16  /* User defined signal 1 */
                     37: #define SIGUSR2     17  /* User defined signal 2 */
                     38: #define SIGUSR3     20  /* User defined signal 3 */
                     39: #define SIGBREAK    21  /* Ctrl-Break sequence */
                     40: #define SIGABRT     22  /* abnormal termination triggered by abort call */
                     41: 
                     42: 
                     43: /* signal action codes */
                     44: /* SIG_DFL and SIG_IGN are recognized on DOS 3.x */
                     45: 
                     46: #define SIG_DFL (void (*)())0   /* default signal action */
                     47: #define SIG_IGN (void (*)())1   /* ignore */
                     48: #define SIG_SGE (void (*)())3   /* signal gets error */
                     49: #define SIG_ACK (void (*)())4   /* error if handler not setup */
                     50: 
                     51: 
                     52: /* signal error value (returned by signal call on error) */
                     53: 
                     54: #define SIG_ERR (void (*)())-1  /* signal error value */
                     55: 
                     56: 
                     57: /* function prototypes */
                     58: 
                     59: void (_CDECL * _CDECL signal(int, void (_CDECL *)()))();
                     60: int _CDECL raise(int);

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