From: Pavel Emelyanov This makes the code more readable, due to less brackets and small letters in name. I also move it above the send_signal() as a preparation for the 3rd patch. Signed-off-by: Pavel Emelyanov Cc: Roland McGrath Cc: Oleg Nesterov Signed-off-by: Andrew Morton --- kernel/signal.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff -puN kernel/signal.c~turn-legacy_queue-macro-into-static-inline-function kernel/signal.c --- a/kernel/signal.c~turn-legacy_queue-macro-into-static-inline-function +++ a/kernel/signal.c @@ -657,6 +657,11 @@ static void handle_stop_signal(int sig, } } +static inline int legacy_queue(struct sigpending *signals, int sig) +{ + return (sig < SIGRTMIN) && sigismember(&signals->signal, sig); +} + static int send_signal(int sig, struct siginfo *info, struct task_struct *t, struct sigpending *signals) { @@ -721,9 +726,6 @@ out_set: return 0; } -#define LEGACY_QUEUE(sigptr, sig) \ - (((sig) < SIGRTMIN) && sigismember(&(sigptr)->signal, (sig))) - int print_fatal_signals; static void print_fatal_signal(struct pt_regs *regs, int signr) @@ -771,7 +773,7 @@ specific_send_sig_info(int sig, struct s /* Support queueing exactly one non-rt signal, so that we can get more detailed information about the cause of the signal. */ - if (LEGACY_QUEUE(&t->pending, sig)) + if (legacy_queue(&t->pending, sig)) goto out; ret = send_signal(sig, info, t, &t->pending); @@ -932,7 +934,7 @@ __group_send_sig_info(int sig, struct si if (sig_ignored(p, sig)) return ret; - if (LEGACY_QUEUE(&p->signal->shared_pending, sig)) + if (legacy_queue(&p->signal->shared_pending, sig)) /* This is a non-RT signal and we already have one queued. */ return ret; _