linux-master/kernel/signal.c

116 	 * is SIGKILL which can't be reported anyway but can be ignored
621  * Dequeue a signal and return the element to the caller, which is
871  * This function schedules sticky ptrace trap which is cleared on the next
957 			 * The first thread which returns from do_signal_stop()
1405 		 * we rely on SLAB_TYPESAFE_BY_RCU and sighand_ctor() which
1532  * for asyncio which uses SI_ASYNCIO assumes the layout is SIL_RT.
1989 	 * the same thread group as the target process, which avoids
2090 	 * write_lock() currently calls preempt_disable() which is the
2158  * If %true, @tsk reports to @tsk->parent which should be the ptracer.
2328 	 * which will be fulfilled after read_unlock() and the ptracer will be
2427  * Must be called with @current->sighand->siglock held, which is released
2549  * Must be called with @current->sighand->siglock held, which may be
2578  * which is always released before returning.
2965  * the shared signals in @which since we will not.
2967 static void retarget_shared_pending(struct task_struct *tsk, sigset_t *which)
2972 	sigandsets(&retarget, &tsk->signal->shared_pending.signal, which);
2999 	 * @tsk is about to have PF_EXITING set - lock out users which
3434  * copy_siginfo_to_user32, which is overriden for x32 and the coredump code.
3617  *  do_sigtimedwait - wait for queued signals specified in @which
3618  *  @which: queued signals to wait for
3622 static int do_sigtimedwait(const sigset_t *which, kernel_siginfo_t *info,
3627 	sigset_t mask = *which;
4056 	 * Nor can they impersonate a kill()/tgkill(), which adds source info.
4103 	 * Nor can they impersonate a kill()/tgkill(), which adds source info.