84 lines
1.9 KiB
C
84 lines
1.9 KiB
C
/* This file is part of ToaruOS and is released under the terms
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* of the NCSA / University of Illinois License - see LICENSE.md
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* Copyright (C) 2013-2014 Kevin Lange
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*/
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/* vim: tabstop=4 shiftwidth=4 noexpandtab
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*
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* init
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*
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* Provides the standard boot routines and
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* calls the user session (compositor / terminal)
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <syscall.h>
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#include <sys/wait.h>
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#define DEFAULT_HOSTNAME "toaru-test"
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void set_console() {
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int _stdin = open("/dev/null", O_RDONLY);
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int _stdout = open("/dev/ttyS0", O_WRONLY);
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int _stderr = open("/dev/ttyS0", O_WRONLY);
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if (_stdout < 0) {
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_stdout = open("/dev/null", O_WRONLY);
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_stderr = open("/dev/null", O_WRONLY);
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}
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}
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/* Set the hostname to whatever is in /etc/hostname */
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void set_hostname() {
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FILE * _host_file = fopen("/etc/hostname", "r");
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if (!_host_file) {
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/* No /etc/hostname, use the default */
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syscall_sethostname(DEFAULT_HOSTNAME);
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} else {
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char buf[256];
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fgets(buf, 255, _host_file);
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if (buf[strlen(buf)-1] == '\n') {
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buf[strlen(buf)-1] = '\0';
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}
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syscall_sethostname(buf);
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setenv("HOST", buf, 1);
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fclose(_host_file);
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}
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}
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int start_options(char * args[]) {
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int pid = fork();
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if (!pid) {
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int i = execvp(args[0], args);
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exit(0);
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} else {
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int pid = 0;
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do {
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pid = wait(NULL);
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} while ((pid > 0) || (pid == -1 && errno == EINTR));
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}
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}
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int main(int argc, char * argv[]) {
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/* stdin/out/err */
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set_console();
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/* Hostname */
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set_hostname();
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if (argc > 1) {
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char * args = NULL;
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if (argc > 2) {
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args = argv[2];
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}
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if (!strcmp(argv[1],"--single")) {
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return start_options((char *[]){"/bin/compositor","--","/bin/terminal","-Fl",args,NULL});
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} else if (!strcmp(argv[1], "--vga")) {
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return start_options((char *[]){"/bin/terminal-vga","-l",NULL});
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}
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}
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return start_options((char *[]){"/bin/compositor",NULL});
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}
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