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Annotation of MiNT/src/signal.h, revision 1.1.1.1

1.1       root        1: #define        NSIG            31              /* number of signals recognized */
                      2: 
                      3: 
                      4: 
                      5: #define        SIGNULL         0               /* not really a signal */
                      6: 
                      7: #define SIGHUP         1               /* hangup signal */
                      8: 
                      9: #define SIGINT         2               /* sent by ^C */
                     10: 
                     11: #define SIGQUIT                3               /* quit signal */
                     12: 
                     13: #define SIGILL         4               /* illegal instruction */
                     14: 
                     15: #define SIGTRAP                5               /* trace trap */
                     16: 
                     17: #define SIGABRT                6               /* abort signal */
                     18: 
                     19: #define SIGPRIV                7               /* privilege violation */
                     20: 
                     21: #define SIGFPE         8               /* divide by zero */
                     22: 
                     23: #define SIGKILL                9               /* cannot be ignored */
                     24: 
                     25: #define SIGBUS         10              /* bus error */
                     26: 
                     27: #define SIGSEGV                11              /* illegal memory reference */
                     28: 
                     29: #define SIGSYS         12              /* bad argument to a system call */
                     30: 
                     31: #define SIGPIPE                13              /* broken pipe */
                     32: 
                     33: #define SIGALRM                14              /* alarm clock */
                     34: 
                     35: #define SIGTERM                15              /* software termination signal */
                     36: 
                     37: 
                     38: 
                     39: #define SIGURG         16              /* urgent condition on I/O channel */
                     40: 
                     41: #define SIGSTOP                17              /* stop signal not from terminal */
                     42: 
                     43: #define SIGTSTP                18              /* stop signal from terminal */
                     44: 
                     45: #define SIGCONT                19              /* continue stopped process */
                     46: 
                     47: #define SIGCHLD                20              /* child stopped or exited */
                     48: 
                     49: #define SIGTTIN                21              /* read by background process */
                     50: 
                     51: #define SIGTTOU                22              /* write by background process */
                     52: 
                     53: #define SIGIO          23              /* I/O possible on a descriptor */
                     54: 
                     55: #define SIGXCPU                24              /* CPU time exhausted */
                     56: 
                     57: #define SIGXFSZ                25              /* file size limited exceeded */
                     58: 
                     59: #define SIGVTALRM      26              /* virtual timer alarm */
                     60: 
                     61: #define SIGPROF                27              /* profiling timer expired */
                     62: 
                     63: #define SIGWINCH       28              /* window size changed */
                     64: 
                     65: #define SIGUSR1                29              /* user signal 1 */
                     66: 
                     67: #define SIGUSR2                30              /* user signal 2 */
                     68: 
                     69: 
                     70: 
                     71: #define       SIG_DFL  0
                     72: 
                     73: #define       SIG_IGN  1
                     74: 
                     75: #define       SIG_ERR  -1
                     76: 
                     77: 
                     78: 
                     79: /* which signals are not maskable? */
                     80: 
                     81: #define UNMASKABLE (1L | (1L << SIGKILL) | (1L << SIGCONT) | (1L << SIGSTOP))
                     82: 
                     83: 
                     84: 
                     85: /* which signals are stop signals? */
                     86: 
                     87: #define STOPSIGS ((1L<< SIGTTIN)|(1L<< SIGTTOU)|(1L<< SIGTSTP)|(1L<<SIGSTOP))
                     88: 
                     89: 
                     90: 
                     91: /* sigaction: extended POSIX signal handling facility */
                     92: 
                     93: 
                     94: 
                     95: struct sigaction {
                     96: 
                     97:        ulong   sa_handler;     /* pointer to signal handler */
                     98: 
                     99:        ulong   sa_mask;        /* additional signals masked during delivery */
                    100: 
                    101:        ushort  sa_flags;       /* signal specific flags */
                    102: 
                    103: /* signal flags */
                    104: 
                    105: #define SA_NOCLDSTOP   1       /* don't send SIGCHLD when child stops */
                    106: 
                    107: };
                    108: 

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