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signals: turn LEGACY_QUEUE macro into static inline function 

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 <xemul@openvz.org>
Cc: Roland McGrath <roland@redhat.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Pavel Emelyanov 2008-04-30 00:52:34 -07:00 committed by Linus Torvalds
parent e1401c6bbb
commit af7fff9c13
1 changed files with 7 additions and 5 deletions
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12
kernel/signal.c
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@ -657,6 +657,11 @@ static void handle_stop_signal(int sig, struct task_struct *p)
}
}
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 siginfo *info, struct task_struct *t)
/* 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 siginfo *info, struct task_struct *p)
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;