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Commit 10b1c7ac authored by Richard Weinberger's avatar Richard Weinberger Committed by Richard Weinberger
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Clean up signal_delivered() 



 - Pass a ksignal struct to it
 - Remove unused regs parameter
 - Make it private as it's nowhere outside of kernel/signal.c is used

Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
parent df5601f9

include/linux/signal.h

+0 −1
Original line number Diff line number Diff line
@@ -282,7 +282,6 @@ struct ksignal { 


extern int get_signal_to_deliver(siginfo_t *info, struct k_sigaction *return_ka, struct pt_regs *regs, void *cookie);

extern void signal_setup_done(int failed, struct ksignal *ksig, int stepping);

extern void signal_delivered(int sig, siginfo_t *info, struct k_sigaction *ka, struct pt_regs *regs, int stepping);

extern void exit_signals(struct task_struct *tsk);

extern void kernel_sigaction(int, __sighandler_t);

kernel/signal.c

+8 −13
Original line number Diff line number Diff line
@@ -2353,19 +2353,15 @@ int get_signal_to_deliver(siginfo_t *info, struct k_sigaction *return_ka, 


/**

 * signal_delivered - 

 * @sig:		number of signal being delivered

 * @info:		siginfo_t of signal being delivered

 * @ka:			sigaction setting that chose the handler

 * @regs:		user register state

 * @ksig:		kernel signal struct

 * @stepping:		nonzero if debugger single-step or block-step in use

 *

 * This function should be called when a signal has successfully been

 * delivered. It updates the blocked signals accordingly (@ka->sa.sa_mask

 * delivered. It updates the blocked signals accordingly (@ksig->ka.sa.sa_mask

 * is always blocked, and the signal itself is blocked unless %SA_NODEFER

 * is set in @ka->sa.sa_flags.  Tracing is notified.

 * is set in @ksig->ka.sa.sa_flags.  Tracing is notified.

 */

void signal_delivered(int sig, siginfo_t *info, struct k_sigaction *ka,

			struct pt_regs *regs, int stepping)

static void signal_delivered(struct ksignal *ksig, int stepping)

{

	sigset_t blocked;
@@ -2375,9 +2371,9 @@ void signal_delivered(int sig, siginfo_t *info, struct k_sigaction *ka, 
	   simply clear the restore sigmask flag.  */

	clear_restore_sigmask();



	sigorsets(&blocked, &current->blocked, &ka->sa.sa_mask);

	if (!(ka->sa.sa_flags & SA_NODEFER))

		sigaddset(&blocked, sig);

	sigorsets(&blocked, &current->blocked, &ksig->ka.sa.sa_mask);

	if (!(ksig->ka.sa.sa_flags & SA_NODEFER))

		sigaddset(&blocked, ksig->sig);

	set_current_blocked(&blocked);

	tracehook_signal_handler(stepping);

}
@@ -2387,8 +2383,7 @@ void signal_setup_done(int failed, struct ksignal *ksig, int stepping) 
	if (failed)

		force_sigsegv(ksig->sig, current);

	else

		signal_delivered(ksig->sig, &ksig->info, &ksig->ka,

			signal_pt_regs(), stepping);

		signal_delivered(ksig, stepping);

}



/*