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Commit 2ce5da17 authored by Al Viro's avatar Al Viro
Browse files

new helper: signal_setup_done() 



usual "call force_sigsegv or signal_delivered" logics.  Takes
ksignal instead of separate siginfo/k_sigaction.

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent ca86b5dc

include/linux/signal.h

+1 −0
Original line number Diff line number Diff line
@@ -286,6 +286,7 @@ 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);

kernel/signal.c

+9 −0
Original line number Diff line number Diff line
@@ -2396,6 +2396,15 @@ void signal_delivered(int sig, siginfo_t *info, struct k_sigaction *ka, 
	tracehook_signal_handler(sig, info, ka, regs, stepping);

}



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);

}



/*

 * It could be that complete_signal() picked us to notify about the

 * group-wide signal. Other threads should be notified now to take