signal_name.c

signal_name.c

#include <signal.h>
const char *getsignalname(int n) {
    static const char *names[NSIG];
    static bool firstrun = true;

    if (firstrun) {
        firstrun = false;
        names[SIGIOT   ] = "SIGIOT";
        names[SIGBUS   ] = "SIGBUS";
        names[SIGSTKFLT] = "SIGSTKFLT";
        names[SIGURG   ] = "SIGURG";
        names[SIGXCPU  ] = "SIGXCPU";
        names[SIGXFSZ  ] = "SIGXFSZ";
        names[SIGVTALRM] = "SIGVTALRM";
        names[SIGPROF  ] = "SIGPROF";
        names[SIGWINCH ] = "SIGWINCH";
        names[SIGIO    ] = "SIGIO";
        names[SIGPWR   ] = "SIGPWR";
        names[SIGSYS   ] = "SIGSYS";
        // mainstream names:

        names[SIGHUP   ] = "SIGHUP";
        names[SIGINT   ] = "SIGINT";
        names[SIGQUIT  ] = "SIGQUIT";
        names[SIGILL   ] = "SIGILL";
        names[SIGTRAP  ] = "SIGTRAP";
        names[SIGABRT  ] = "SIGABRT";
        names[SIGFPE   ] = "SIGFPE";
        names[SIGKILL  ] = "SIGKILL";
        names[SIGUSR1  ] = "SIGUSR1";
        names[SIGSEGV  ] = "SIGSEGV";
        names[SIGUSR2  ] = "SIGUSR2";
        names[SIGPIPE  ] = "SIGPIPE";
        names[SIGALRM  ] = "SIGALRM";
        names[SIGTERM  ] = "SIGTERM";
        names[SIGCHLD  ] = "SIGCHLD";
        names[SIGCONT  ] = "SIGCONT";
        names[SIGSTOP  ] = "SIGSTOP";
        names[SIGTSTP  ] = "SIGTSTP";
        names[SIGTTIN  ] = "SIGTTIN";
        names[SIGTTOU  ] = "SIGTTOU";
    }
    return n>=0 && n<NSIG ? names[n] : "n/a";
}