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94 lines
1.9 KiB
94 lines
1.9 KiB
#include <litc.h>
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static void fexec(char * const args[])
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{
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printf("init exec: ");
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for (char * const * p = &args[0]; *p; p++)
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printf("%s ", *p);
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printf("\n");
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switch (fork()) {
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case -1:
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err(-1, "fork (%s)", args[0]);
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case 0:
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execv(args[0], args);
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err(-1, "exec (%s)", args[0]);
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default:
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{
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int status;
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if (wait(&status) == -1)
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err(-1, "wait");
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if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
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err(-1, "child failed (%s)", args[0]);
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}
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}
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}
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int main(int argc, char **argv)
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{
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int rshd = 0;
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int c;
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while ((c = getopt(argc, argv, "r")) != -1) {
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switch (c) {
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default:
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printf("bad option/arg\n");
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break;
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case 'r':
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rshd = 1;
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break;
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}
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}
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argc -= optind;
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argv += optind;
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if (argc > 0)
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printf("ignoring extra args\n");
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printf("init starting...\n");
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// create dev nodes
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mkdir("/dev", 0);
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int ret;
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ret = mknod("/dev/console", 0, MKDEV(1, 0));
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if (ret != 0 && errno != EEXIST)
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err(-1, "mknod");
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ret = mknod("/dev/null", 0, MKDEV(4, 0));
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if (ret != 0 && errno != EEXIST)
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err(-1, "mknod");
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ret = mknod("/dev/rsd0c", 0, MKDEV(5, 0));
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if (ret != 0 && errno != EEXIST)
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err(-1, "mknod");
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ret = mknod("/dev/stats", 0, MKDEV(6, 0));
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if (ret != 0 && errno != EEXIST)
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err(-1, "mknod");
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ret = mknod("/dev/prof", 0, MKDEV(7, 0));
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if (ret != 0 && errno != EEXIST)
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err(-1, "mknod");
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char * const largs [] = {"/bin/bmgc", "-l", "512", NULL};
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fexec(largs);
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char * const hargs [] = {"/bin/bmgc", "-h", "470", NULL};
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fexec(hargs);
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if (rshd) {
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printf("starting rshd...\n");
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pid_t rpid = fork();
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if (rpid == 0) {
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char * const rargs [] = {"/bin/rshd", NULL};
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execv(rargs[0], rargs);
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err(-1, "execv");
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} else if (rpid == -1)
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perror("execv");
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}
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for (;;) {
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int pid = fork();
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if (!pid) {
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char * const args[] = {"/bin/lsh", NULL};
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execv(args[0], args);
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err(-1, "execv");
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}
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wait(NULL);
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printf("lsh terminated?\n");
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}
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return 0;
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}
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