80 lines
1.5 KiB
C
80 lines
1.5 KiB
C
#include "main.h"
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#include "dwm.h"
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#include "logger.h"
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#include <locale.h>
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#include <signal.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/wait.h>
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#include <unistd.h>
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static char *program_exe = NULL;
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static void signal_callback(int signo);
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int main(int argc, char *argv[])
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{
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if (argc == 2 &&
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(strcmp(argv[1], "-v") == 0 || strcmp(argv[1], "--version") == 0))
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{
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fputs(PROGRAM_NAME"-"VERSION"\n", stderr);
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exit(EXIT_SUCCESS);
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}
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if (argc != 1 ||
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(argc == 2 &&
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(strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0)))
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{
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fputs("usage: "PROGRAM_NAME" [-v]\n", stderr);
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exit(EXIT_FAILURE);
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}
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if (!(program_exe = argv[0])) {
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fatal("no program executable name");
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}
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if (!setlocale(LC_CTYPE, "")) {
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warning("no locale support");
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}
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#ifdef __OpenBSD__
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if (pledge("stdio rpath proc exec", NULL) == -1) {
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fatal("pledge");
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}
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#endif // __OpenBSD__
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{
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struct sigaction action;
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memset(&action, 0, sizeof(action));
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action.sa_handler = signal_callback;
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if (sigaction(SIGCHLD, &action, NULL) != 0) {
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fatal_perror("can't install SIGCHLD handler");
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}
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}
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exit(dwm_main(PROGRAM_TITLE));
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}
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void signal_callback(const int signo)
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{
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switch (signo) {
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case SIGCHLD:
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// Clean up any zombies immediately.
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while (waitpid(-1, NULL, WNOHANG) > 0);
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break;
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}
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}
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void restart()
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{
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info("restarting");
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char *args[] = { program_exe, NULL };
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execvp(program_exe, args);
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fatal_perror("restart with `execvp' failed");
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}
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