C++ (Cpp) init_new_thread_signals示例

示例#1

文件： exec_kern.c 项目： 3sOx/asuswrt-merlin

static int exec_tramp(void *sig_stack)
{
	init_new_thread_stack(sig_stack, NULL);
	init_new_thread_signals();
	os_stop_process(os_getpid());
	return(0);
}

示例#2

文件： process.c 项目： OpenHMR/Open-HMR600

static int userspace_tramp(void *arg)
{
	init_new_thread_signals(0);
	enable_timer();
	ptrace(PTRACE_TRACEME, 0, 0, 0);
	os_stop_process(os_getpid());
	return(0);
}

示例#3

文件： process_kern.c 项目： FatSunHYS/OSCourseDesign

int start_uml_skas(void)
{
	if(proc_mm)
		userspace_pid[0] = start_userspace(0);

	init_new_thread_signals();

	init_task.thread.request.u.thread.proc = start_kernel_proc;
	init_task.thread.request.u.thread.arg = NULL;
	return(start_idle_thread(task_stack_page(&init_task),
				 &init_task.thread.mode.skas.switch_buf,
				 &init_task.thread.mode.skas.fork_buf));
}

示例#4

文件： process.c 项目： 3sOx/asuswrt-merlin

int start_uml_skas(void)
{
	stack_protections((unsigned long) &cpu0_irqstack);
	set_sigstack(cpu0_irqstack, THREAD_SIZE);
	if(proc_mm)
		userspace_pid[0] = start_userspace(0);

	init_new_thread_signals();

	init_task.thread.request.u.thread.proc = start_kernel_proc;
	init_task.thread.request.u.thread.arg = NULL;
	return(start_idle_thread(task_stack_page(&init_task),
				 &init_task.thread.mode.skas.switch_buf));
}

示例#5

文件： process.c 项目： Benz0X/bdroid

int __init start_uml(void)
{
    stack_protections((unsigned long) &cpu0_irqstack);
    set_sigstack(cpu0_irqstack, THREAD_SIZE);
    if (proc_mm) {
        userspace_pid[0] = start_userspace(0);
        if (userspace_pid[0] < 0) {
            printf("start_uml - start_userspace returned %d\n",
                   userspace_pid[0]);
            exit(1);
        }
    }

    init_new_thread_signals();

    init_task.thread.request.u.thread.proc = start_kernel_proc;
    init_task.thread.request.u.thread.arg = NULL;
    return start_idle_thread(task_stack_page(&init_task),
                             &init_task.thread.switch_buf);
}

示例#6

文件： process_kern.c 项目： GodFox/magx_kernel_xpixl

static void new_thread_handler(int sig)
{
	unsigned long disable;
	int (*fn)(void *);
	void *arg;

	fn = current->thread.request.u.thread.proc;
	arg = current->thread.request.u.thread.arg;

	UPT_SC(&current->thread.regs.regs) = (void *) (&sig + 1);
	disable = (1 << (SIGVTALRM - 1)) | (1 << (SIGALRM - 1)) |
		(1 << (SIGIO - 1)) | (1 << (SIGPROF - 1));
	SC_SIGMASK(UPT_SC(&current->thread.regs.regs)) &= ~disable;

	suspend_new_thread(current->thread.mode.tt.switch_pipe[0]);

	force_flush_all();
	if(current->thread.prev_sched != NULL)
		schedule_tail(current->thread.prev_sched);
	current->thread.prev_sched = NULL;

	init_new_thread_signals(1);
	enable_timer();
	free_page(current->thread.temp_stack);
	set_cmdline("(kernel thread)");

	change_sig(SIGUSR1, 1);
	change_sig(SIGVTALRM, 1);
	change_sig(SIGPROF, 1);
	local_irq_enable();
	if(!run_kernel_thread(fn, arg, &current->thread.exec_buf))
		do_exit(0);

	/* XXX No set_user_mode here because a newly execed process will
	 * immediately segfault on its non-existent IP, coming straight back
	 * to the signal handler, which will call set_user_mode on its way
	 * out.  This should probably change since it's confusing.
	 */
}