diff options
Diffstat (limited to 'src/sysdep.c')
| -rw-r--r-- | src/sysdep.c | 378 |
1 files changed, 179 insertions, 199 deletions
diff --git a/src/sysdep.c b/src/sysdep.c index 1a3123d7ac..bce69a406f 100644 --- a/src/sysdep.c +++ b/src/sysdep.c @@ -2771,13 +2771,6 @@ sigbit (i) sigset_t empty_mask, full_mask; -void -init_signals () -{ - sigemptyset (&empty_mask); - sigfillset (&full_mask); -} - signal_handler_t sys_signal (int signal_number, signal_handler_t action) { @@ -2840,6 +2833,185 @@ sys_sigsetmask (sigset_t new_mask) #endif /* POSIX_SIGNALS */ +#if !defined HAVE_STRSIGNAL && !defined SYS_SIGLIST_DECLARED +static char *my_sys_siglist[NSIG]; +# ifdef sys_siglist +# undef sys_siglist +# endif +# define sys_siglist my_sys_siglist +#endif + +void +init_signals () +{ +#ifdef POSIX_SIGNALS + sigemptyset (&empty_mask); + sigfillset (&full_mask); +#endif + +#if !defined HAVE_STRSIGNAL && !defined SYS_SIGLIST_DECLARED + if (! initialized) + { +# ifdef SIGABRT + sys_siglist[SIGABRT] = "Aborted"; +# endif +# ifdef SIGAIO + sys_siglist[SIGAIO] = "LAN I/O interrupt"; +# endif +# ifdef SIGALRM + sys_siglist[SIGALRM] = "Alarm clock"; +# endif +# ifdef SIGBUS + sys_siglist[SIGBUS] = "Bus error"; +# endif +# ifdef SIGCLD + sys_siglist[SIGCLD] = "Child status changed"; +# endif +# ifdef SIGCHLD + sys_siglist[SIGCHLD] = "Child status changed"; +# endif +# ifdef SIGCONT + sys_siglist[SIGCONT] = "Continued"; +# endif +# ifdef SIGDANGER + sys_siglist[SIGDANGER] = "Swap space dangerously low"; +# endif +# ifdef SIGDGNOTIFY + sys_siglist[SIGDGNOTIFY] = "Notification message in queue"; +# endif +# ifdef SIGEMT + sys_siglist[SIGEMT] = "Emulation trap"; +# endif +# ifdef SIGFPE + sys_siglist[SIGFPE] = "Arithmetic exception"; +# endif +# ifdef SIGFREEZE + sys_siglist[SIGFREEZE] = "SIGFREEZE"; +# endif +# ifdef SIGGRANT + sys_siglist[SIGGRANT] = "Monitor mode granted"; +# endif +# ifdef SIGHUP + sys_siglist[SIGHUP] = "Hangup"; +# endif +# ifdef SIGILL + sys_siglist[SIGILL] = "Illegal instruction"; +# endif +# ifdef SIGINT + sys_siglist[SIGINT] = "Interrupt"; +# endif +# ifdef SIGIO + sys_siglist[SIGIO] = "I/O possible"; +# endif +# ifdef SIGIOINT + sys_siglist[SIGIOINT] = "I/O intervention required"; +# endif +# ifdef SIGIOT + sys_siglist[SIGIOT] = "IOT trap"; +# endif +# ifdef SIGKILL + sys_siglist[SIGKILL] = "Killed"; +# endif +# ifdef SIGLOST + sys_siglist[SIGLOST] = "Resource lost"; +# endif +# ifdef SIGLWP + sys_siglist[SIGLWP] = "SIGLWP"; +# endif +# ifdef SIGMSG + sys_siglist[SIGMSG] = "Monitor mode data available"; +# endif +# ifdef SIGPHONE + sys_siglist[SIGWIND] = "SIGPHONE"; +# endif +# ifdef SIGPIPE + sys_siglist[SIGPIPE] = "Broken pipe"; +# endif +# ifdef SIGPOLL + sys_siglist[SIGPOLL] = "Pollable event occurred"; +# endif +# ifdef SIGPROF + sys_siglist[SIGPROF] = "Profiling timer expired"; +# endif +# ifdef SIGPTY + sys_siglist[SIGPTY] = "PTY I/O interrupt"; +# endif +# ifdef SIGPWR + sys_siglist[SIGPWR] = "Power-fail restart"; +# endif +# ifdef SIGQUIT + sys_siglist[SIGQUIT] = "Quit"; +# endif +# ifdef SIGRETRACT + sys_siglist[SIGRETRACT] = "Need to relinguish monitor mode"; +# endif +# ifdef SIGSAK + sys_siglist[SIGSAK] = "Secure attention"; +# endif +# ifdef SIGSEGV + sys_siglist[SIGSEGV] = "Segmentation violation"; +# endif +# ifdef SIGSOUND + sys_siglist[SIGSOUND] = "Sound completed"; +# endif +# ifdef SIGSTOP + sys_siglist[SIGSTOP] = "Stopped (signal)"; +# endif +# ifdef SIGSTP + sys_siglist[SIGSTP] = "Stopped (user)"; +# endif +# ifdef SIGSYS + sys_siglist[SIGSYS] = "Bad argument to system call"; +# endif +# ifdef SIGTERM + sys_siglist[SIGTERM] = "Terminated"; +# endif +# ifdef SIGTHAW + sys_siglist[SIGTHAW] = "SIGTHAW"; +# endif +# ifdef SIGTRAP + sys_siglist[SIGTRAP] = "Trace/breakpoint trap"; +# endif +# ifdef SIGTSTP + sys_siglist[SIGTSTP] = "Stopped (user)"; +# endif +# ifdef SIGTTIN + sys_siglist[SIGTTIN] = "Stopped (tty input)"; +# endif +# ifdef SIGTTOU + sys_siglist[SIGTTOU] = "Stopped (tty output)"; +# endif +# ifdef SIGURG + sys_siglist[SIGURG] = "Urgent I/O condition"; +# endif +# ifdef SIGUSR1 + sys_siglist[SIGUSR1] = "User defined signal 1"; +# endif +# ifdef SIGUSR2 + sys_siglist[SIGUSR2] = "User defined signal 2"; +# endif +# ifdef SIGVTALRM + sys_siglist[SIGVTALRM] = "Virtual timer expired"; +# endif +# ifdef SIGWAITING + sys_siglist[SIGWAITING] = "Process's LWPs are blocked"; +# endif +# ifdef SIGWINCH + sys_siglist[SIGWINCH] = "Window size changed"; +# endif +# ifdef SIGWIND + sys_siglist[SIGWIND] = "SIGWIND"; +# endif +# ifdef SIGXCPU + sys_siglist[SIGXCPU] = "CPU time limit exceeded"; +# endif +# ifdef SIGXFSZ + sys_siglist[SIGXFSZ] = "File size limit exceeded"; +# endif + } +#endif /* !defined HAVE_STRSIGNAL && !defined SYS_SIGLIST_DECLARED */ +} + #ifndef HAVE_RANDOM #ifdef random #define HAVE_RANDOM @@ -3156,95 +3328,6 @@ vfork () * always negligible. Fred Fish, Unisoft Systems Inc. */ -#ifndef HAVE_STRSIGNAL -#ifndef HAVE_SYS_SIGLIST -char *sys_siglist[NSIG + 1] = -{ -#ifdef AIX -/* AIX has changed the signals a bit */ - "bogus signal", /* 0 */ - "hangup", /* 1 SIGHUP */ - "interrupt", /* 2 SIGINT */ - "quit", /* 3 SIGQUIT */ - "illegal instruction", /* 4 SIGILL */ - "trace trap", /* 5 SIGTRAP */ - "IOT instruction", /* 6 SIGIOT */ - "crash likely", /* 7 SIGDANGER */ - "floating point exception", /* 8 SIGFPE */ - "kill", /* 9 SIGKILL */ - "bus error", /* 10 SIGBUS */ - "segmentation violation", /* 11 SIGSEGV */ - "bad argument to system call", /* 12 SIGSYS */ - "write on a pipe with no one to read it", /* 13 SIGPIPE */ - "alarm clock", /* 14 SIGALRM */ - "software termination signum", /* 15 SIGTERM */ - "user defined signal 1", /* 16 SIGUSR1 */ - "user defined signal 2", /* 17 SIGUSR2 */ - "death of a child", /* 18 SIGCLD */ - "power-fail restart", /* 19 SIGPWR */ - "bogus signal", /* 20 */ - "bogus signal", /* 21 */ - "bogus signal", /* 22 */ - "bogus signal", /* 23 */ - "bogus signal", /* 24 */ - "LAN I/O interrupt", /* 25 SIGAIO */ - "PTY I/O interrupt", /* 26 SIGPTY */ - "I/O intervention required", /* 27 SIGIOINT */ -#ifdef AIXHFT - "HFT grant", /* 28 SIGGRANT */ - "HFT retract", /* 29 SIGRETRACT */ - "HFT sound done", /* 30 SIGSOUND */ - "HFT input ready", /* 31 SIGMSG */ -#endif -#else /* not AIX */ - "bogus signal", /* 0 */ - "hangup", /* 1 SIGHUP */ - "interrupt", /* 2 SIGINT */ - "quit", /* 3 SIGQUIT */ - "illegal instruction", /* 4 SIGILL */ - "trace trap", /* 5 SIGTRAP */ - "IOT instruction", /* 6 SIGIOT */ - "EMT instruction", /* 7 SIGEMT */ - "floating point exception", /* 8 SIGFPE */ - "kill", /* 9 SIGKILL */ - "bus error", /* 10 SIGBUS */ - "segmentation violation", /* 11 SIGSEGV */ - "bad argument to system call", /* 12 SIGSYS */ - "write on a pipe with no one to read it", /* 13 SIGPIPE */ - "alarm clock", /* 14 SIGALRM */ - "software termination signum", /* 15 SIGTERM */ - "user defined signal 1", /* 16 SIGUSR1 */ - "user defined signal 2", /* 17 SIGUSR2 */ - "death of a child", /* 18 SIGCLD */ - "power-fail restart", /* 19 SIGPWR */ -#ifdef sun - "window size change", /* 20 SIGWINCH */ - "urgent socket condition", /* 21 SIGURG */ - "pollable event occurred", /* 22 SIGPOLL */ - "stop (cannot be caught or ignored)", /* 23 SIGSTOP */ - "user stop requested from tty", /* 24 SIGTSTP */ - "stopped process has been continued", /* 25 SIGCONT */ - "background tty read attempted", /* 26 SIGTTIN */ - "background tty write attempted", /* 27 SIGTTOU */ - "virtual timer expired", /* 28 SIGVTALRM */ - "profiling timer expired", /* 29 SIGPROF */ - "exceeded cpu limit", /* 30 SIGXCPU */ - "exceeded file size limit", /* 31 SIGXFSZ */ - "process's lwps are blocked", /* 32 SIGWAITING */ - "special signal used by thread library", /* 33 SIGLWP */ -#ifdef SIGFREEZE - "Special Signal Used By CPR", /* 34 SIGFREEZE */ -#endif -#ifdef SIGTHAW - "Special Signal Used By CPR", /* 35 SIGTHAW */ -#endif -#endif /* sun */ -#endif /* not AIX */ - 0 - }; -#endif /* HAVE_SYS_SIGLIST */ -#endif /* HAVE_STRSIGNAL */ - /* * Warning, this function may not duplicate 4.2 action properly * under error conditions. @@ -3396,82 +3479,6 @@ croak (badfunc) #endif /* USG */ -#ifdef DGUX - -#ifndef HAVE_STRSIGNAL -char *sys_siglist[NSIG + 1] = -{ - "null signal", /* 0 SIGNULL */ - "hangup", /* 1 SIGHUP */ - "interrupt", /* 2 SIGINT */ - "quit", /* 3 SIGQUIT */ - "illegal instruction", /* 4 SIGILL */ - "trace trap", /* 5 SIGTRAP */ - "abort termination", /* 6 SIGABRT */ - "SIGEMT", /* 7 SIGEMT */ - "floating point exception", /* 8 SIGFPE */ - "kill", /* 9 SIGKILL */ - "bus error", /* 10 SIGBUS */ - "segmentation violation", /* 11 SIGSEGV */ - "bad argument to system call", /* 12 SIGSYS */ - "write on a pipe with no reader", /* 13 SIGPIPE */ - "alarm clock", /* 14 SIGALRM */ - "software termination signal", /* 15 SIGTERM */ - "user defined signal 1", /* 16 SIGUSR1 */ - "user defined signal 2", /* 17 SIGUSR2 */ - "child stopped or terminated", /* 18 SIGCLD */ - "power-fail restart", /* 19 SIGPWR */ - "window size changed", /* 20 SIGWINCH */ - "undefined", /* 21 */ - "pollable event occurred", /* 22 SIGPOLL */ - "sendable stop signal not from tty", /* 23 SIGSTOP */ - "stop signal from tty", /* 24 SIGSTP */ - "continue a stopped process", /* 25 SIGCONT */ - "attempted background tty read", /* 26 SIGTTIN */ - "attempted background tty write", /* 27 SIGTTOU */ - "undefined", /* 28 */ - "undefined", /* 29 */ - "undefined", /* 30 */ - "undefined", /* 31 */ - "undefined", /* 32 */ - "socket (TCP/IP) urgent data arrival", /* 33 SIGURG */ - "I/O is possible", /* 34 SIGIO */ - "exceeded cpu time limit", /* 35 SIGXCPU */ - "exceeded file size limit", /* 36 SIGXFSZ */ - "virtual time alarm", /* 37 SIGVTALRM */ - "profiling time alarm", /* 38 SIGPROF */ - "undefined", /* 39 */ - "file record locks revoked", /* 40 SIGLOST */ - "undefined", /* 41 */ - "undefined", /* 42 */ - "undefined", /* 43 */ - "undefined", /* 44 */ - "undefined", /* 45 */ - "undefined", /* 46 */ - "undefined", /* 47 */ - "undefined", /* 48 */ - "undefined", /* 49 */ - "undefined", /* 50 */ - "undefined", /* 51 */ - "undefined", /* 52 */ - "undefined", /* 53 */ - "undefined", /* 54 */ - "undefined", /* 55 */ - "undefined", /* 56 */ - "undefined", /* 57 */ - "undefined", /* 58 */ - "undefined", /* 59 */ - "undefined", /* 60 */ - "undefined", /* 61 */ - "undefined", /* 62 */ - "undefined", /* 63 */ - "notification message in mess. queue", /* 64 SIGDGNOTIFY */ - 0 -}; -#endif /* HAVE_STRSIGNAL */ - -#endif /* DGUX */ - /* Directory routines for systems that don't have them. */ #ifdef SYSV_SYSTEM_DIR @@ -6374,33 +6381,6 @@ getenv (const char * name) } #ifdef __MRC__ -/* see Interfaces&Libraries:Interfaces:CIncludes:signal.h */ -char *sys_siglist[] = -{ - "Zero is not a signal!!!", - "Abort", /* 1 */ - "Interactive user interrupt", /* 2 */ "BAD", - "Floating point exception", /* 4 */ "BAD", "BAD", "BAD", - "Illegal instruction", /* 8 */ "BAD", "BAD", "BAD", "BAD", "BAD", "BAD", "BAD", - "Segment violation", /* 16 */ "BAD", "BAD", "BAD", "BAD", "BAD", "BAD", "BAD", "BAD", "BAD", "BAD", "BAD", "BAD", "BAD", "BAD", "BAD", - "Terminal" /* 32 */ -}; -#elif __MWERKS__ -char *sys_siglist[] = -{ - "Zero is not a signal!!!", - "Abort", - "Floating point exception", - "Illegal instruction", - "Interactive user interrupt", - "Segment violation", - "Terminal" -}; -#else -You lose!!! -#endif - -#ifdef __MRC__ #include <utsname.h> int |