int
process_init(struct Process *proc, const char *filename, pid_t pid)
{
if (process_bare_init(proc, filename, pid, 0) < 0) {
fail:
fprintf(stderr, "failed to initialize process %d: %s\n",
pid, strerror(errno));
return -1;
}
if (os_process_init(proc) < 0) {
process_bare_destroy(proc, 0);
goto fail;
}
if (arch_process_init(proc) < 0) {
os_process_destroy(proc);
process_bare_destroy(proc, 0);
goto fail;
}
if (proc->leader != proc)
return 0;
if (process_init_main(proc) < 0) {
process_bare_destroy(proc, 0);
goto fail;
}
return 0;
}
/* process module init */
status_t process_init(kernel_args_t *kargs)
{
status_t err;
proc_id pid;
/* call arch-specific init */
err = arch_process_init(kargs);
if(err != NO_ERROR)
return err;
/* valid process ids and processes group ids starts from 1 */
next_process_id = 1;
/* data structures spinlock init */
spin_init(&processes_lock);
/* list init */
xlist_init(&processes_list);
/* tree init */
avl_tree_create( &processes_tree, compare_process_id,
sizeof(process_t),
offsetof(process_t, procs_tree_node) );
/* create kernel process */
pid = proc_create_kernel_process("kernel_process");
if(pid == INVALID_PROCESSID)
return ERR_MT_GENERAL;
return NO_ERROR;
}
