signal.c

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// SPDX-FileCopyrightText: 2017-2020 polsha3 <polsha3@gmail.com>
// SPDX-License-Identifier: LGPL-3.0-only
 
#include <rz_util.h>
 
#include <signal.h>
#include <stddef.h>
 
static struct {
    const char *name;
    int code;
} signals[] = {
    { "SIGINT", SIGINT },
    { "SIGILL", SIGILL },
    { "SIGABRT", SIGABRT },
    { "SIGFPE", SIGFPE },
    { "SIGSEGV", SIGSEGV },
    { "SIGTERM", SIGTERM },
#if __LINUX__
    { "SIGSTKFLT", SIGSTKFLT },
    { "SIGWINCH", SIGWINCH },
    { "SIGIO", SIGIO },
    { "SIGPWR", SIGPWR },
    { "SIGPOLL", SIGPOLL },
#endif
#if !__WINDOWS__
    { "SIGHUP", SIGHUP },
    { "SIGQUIT", SIGQUIT },
    { "SIGTRAP", SIGTRAP },
    { "SIGBUS", SIGBUS },
    { "SIGKILL", SIGKILL },
    { "SIGUSR1", SIGUSR1 },
    { "SIGUSR2", SIGUSR2 },
    { "SIGPIPE", SIGPIPE },
    { "SIGALRM", SIGALRM },
    { "SIGCHLD", SIGCHLD },
    { "SIGCONT", SIGCONT },
    { "SIGSTOP", SIGSTOP },
    { "SIGTSTP", SIGTSTP },
    { "SIGTTIN", SIGTTIN },
    { "SIGTTOU", SIGTTOU },
    { "SIGURG", SIGURG },
    { "SIGXCPU", SIGXCPU },
    { "SIGXFSZ", SIGXFSZ },
    { "SIGVTALRM", SIGVTALRM },
    { "SIGPROF", SIGPROF },
    { "SIGSYS", SIGSYS },
#endif
    { NULL }
};
 
RZ_API int rz_signal_from_string(const char *e) {
    int i;
    for (i = 1; signals[i].name; i++) {
        const char *str = signals[i].name;
        if (!strcmp(e, str)) {
            return signals[i].code;
        }
    }
    return atoi(e);
}
 
RZ_API const char *rz_signal_to_string(int code) {
    int i;
    for (i = 1; signals[i].name; i++) {
        if (signals[i].code == code) {
            return signals[i].name;
        }
    }
    return NULL;
}
 
#if HAVE_PTHREAD
RZ_API void rz_signal_sigmask(int how, const sigset_t *newmask, sigset_t *oldmask) {
    pthread_sigmask(how, newmask, oldmask);
}
#endif