100 lines
2.2 KiB
C
100 lines
2.2 KiB
C
#include <signal.h>
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#include <string.h>
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#if (SIGHUP == 1) && (SIGINT == 2) && (SIGQUIT == 3) && (SIGILL == 4) \
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&& (SIGTRAP == 5) && (SIGABRT == 6) && (SIGBUS == 7) && (SIGFPE == 8) \
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&& (SIGKILL == 9) && (SIGUSR1 == 10) && (SIGSEGV == 11) && (SIGUSR2 == 12) \
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&& (SIGPIPE == 13) && (SIGALRM == 14) && (SIGTERM == 15) && (SIGSTKFLT == 16) \
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&& (SIGCHLD == 17) && (SIGCONT == 18) && (SIGSTOP == 19) && (SIGTSTP == 20) \
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&& (SIGTTIN == 21) && (SIGTTOU == 22) && (SIGURG == 23) && (SIGXCPU == 24) \
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&& (SIGXFSZ == 25) && (SIGVTALRM == 26) && (SIGPROF == 27) && (SIGWINCH == 28) \
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&& (SIGPOLL == 29) && (SIGPWR == 30) && (SIGSYS == 31)
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#define sigmap(x) x
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#else
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static const char map[] = {
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[SIGHUP] = 1,
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[SIGINT] = 2,
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[SIGQUIT] = 3,
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[SIGILL] = 4,
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[SIGTRAP] = 5,
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[SIGABRT] = 6,
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[SIGBUS] = 7,
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[SIGFPE] = 8,
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[SIGKILL] = 9,
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[SIGUSR1] = 10,
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[SIGSEGV] = 11,
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[SIGUSR2] = 12,
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[SIGPIPE] = 13,
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[SIGALRM] = 14,
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[SIGTERM] = 15,
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[SIGSTKFLT] = 16,
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[SIGCHLD] = 17,
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[SIGCONT] = 18,
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[SIGSTOP] = 19,
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[SIGTSTP] = 20,
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[SIGTTIN] = 21,
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[SIGTTOU] = 22,
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[SIGURG] = 23,
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[SIGXCPU] = 24,
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[SIGXFSZ] = 25,
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[SIGVTALRM] = 26,
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[SIGPROF] = 27,
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[SIGWINCH] = 28,
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[SIGPOLL] = 29,
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[SIGPWR] = 30,
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[SIGSYS] = 31
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};
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#define sigmap(x) ((unsigned)(x) >= sizeof map ? 0 : map[(unsigned)(x)])
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#endif
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static const char strings[] =
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"Unknown signal\0"
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"Hangup\0"
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"Interrupt\0"
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"Quit\0"
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"Illegal instruction\0"
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"Trace/breakpoint trap\0"
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"Aborted\0"
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"Bus error\0"
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"Floating point exception\0"
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"Killed\0"
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"User defined signal 1\0"
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"Segmentation fault\0"
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"User defined signal 2\0"
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"Broken pipe\0"
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"Alarm clock\0"
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"Terminated\0"
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"Stack fault\0"
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"Child exited\0"
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"Continued\0"
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"Stopped (signal)\0"
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"Stopped\0"
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"Stopped (tty input)\0"
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"Stopped (tty output)\0"
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"Urgent I/O condition\0"
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"CPU time limit exceeded\0"
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"File size limit exceeded\0"
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"Virtual timer expired\0"
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"Profiling timer expired\0"
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"Window changed\0"
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"I/O possible\0"
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"Power failure\0"
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"Bad system call";
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char *strsignal(int signum)
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{
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char *s = (char *)strings;
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signum = sigmap(signum);
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if ((unsigned)signum - 1 > 31) signum = 0;
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for (; signum--; s++) for (; *s; s++);
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return s;
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}
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