int do_work_pending()

in kernel/process.c [162:188]

• 21 lines of code
• 5 McCabe index (conditional complexity)

int do_work_pending(struct pt_regs *regs, u32 thread_info_flags)
{
	if (!(thread_info_flags & _TIF_WORK_MASK)) {
		return 0;
	}  /* shortcut -- no work to be done */

	local_irq_enable();

	if (thread_info_flags & _TIF_NEED_RESCHED) {
		schedule();
		return 1;
	}

	if (thread_info_flags & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL)) {
		do_signal(regs);
		return 1;
	}

	if (thread_info_flags & _TIF_NOTIFY_RESUME) {
		tracehook_notify_resume(regs);
		return 1;
	}

	/* Should not even reach here */
	panic("%s: bad thread_info flags 0x%08x\n", __func__,
		thread_info_flags);
}