mirror of
https://github.com/ish-app/ish.git
synced 2026-01-18 13:57:29 +00:00
60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
#include <signal.h>
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#include <string.h>
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#include <sys/stat.h>
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#include "kernel/init.h"
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#include "kernel/calls.h"
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#include "fs/tty.h"
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int mount_root(const struct fs_ops *fs, const char *source) {
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char source_realpath[MAX_PATH + 1];
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if (realpath(source, source_realpath) == NULL)
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return err_map(errno);
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mounts = malloc(sizeof(struct mount));
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mounts->point = "";
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mounts->source = strdup(source_realpath);
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mounts->fs = fs;
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mounts->next = NULL;
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mounts->data = NULL;
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return 0;
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}
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static void nop_handler() {}
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// this function parses command line arguments and initializes global
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// data structures. thanks programming discussions discord server for the name.
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// https://discord.gg/9zT7NHP
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int create_init_process(const char *program, char *const argv[], char *const envp[]) {
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signal(SIGUSR1, nop_handler);
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current = process_create();
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current->cpu.mem = mem_new();
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current->parent = current;
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current->ppid = 1;
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current->uid = current->gid = 0;
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current->root = generic_open("/", O_RDONLY_, 0);
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current->pwd = generic_dup(current->root);
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current->umask = 0022;
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current->thread = pthread_self();
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sys_setsid();
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return sys_execve(program, argv, envp);
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}
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int create_stdio(struct tty_driver driver) {
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// I can't wait for when init and udev works and I don't need to do this
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tty_drivers[TTY_VIRTUAL] = driver;
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// FIXME use generic_open (or something) to avoid this mess
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struct fd *fd = adhoc_fd_create();
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fd->stat->rdev = dev_make(4, 0);
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fd->stat->mode = S_IFCHR | S_IRUSR;
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int err = dev_open(4, 0, DEV_CHAR, fd);
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if (err < 0)
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return err;
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current->files[0] = fd;
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current->files[1] = generic_dup(fd);
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current->files[2] = generic_dup(fd);
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return 0;
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}
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