signal: Push pid type down into send_signal
This information is already available in the callers and by pushing it
down it makes the code a little clearer, and allows better group
signal behavior in fork.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
diff --git a/kernel/signal.c b/kernel/signal.c
index 2c09e61..8decc70 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1103,7 +1103,7 @@ static int __send_signal(int sig, struct siginfo *info, struct task_struct *t,
}
static int send_signal(int sig, struct siginfo *info, struct task_struct *t,
- int group)
+ enum pid_type type)
{
int from_ancestor_ns = 0;
@@ -1112,7 +1112,7 @@ static int send_signal(int sig, struct siginfo *info, struct task_struct *t,
!task_pid_nr_ns(current, task_active_pid_ns(t));
#endif
- return __send_signal(sig, info, t, group, from_ancestor_ns);
+ return __send_signal(sig, info, t, type != PIDTYPE_PID, from_ancestor_ns);
}
static void print_fatal_signal(int signr)
@@ -1151,13 +1151,13 @@ __setup("print-fatal-signals=", setup_print_fatal_signals);
int
__group_send_sig_info(int sig, struct siginfo *info, struct task_struct *p)
{
- return send_signal(sig, info, p, 1);
+ return send_signal(sig, info, p, PIDTYPE_TGID);
}
static int
specific_send_sig_info(int sig, struct siginfo *info, struct task_struct *t)
{
- return send_signal(sig, info, t, 0);
+ return send_signal(sig, info, t, PIDTYPE_PID);
}
int do_send_sig_info(int sig, struct siginfo *info, struct task_struct *p,
@@ -1167,7 +1167,7 @@ int do_send_sig_info(int sig, struct siginfo *info, struct task_struct *p,
int ret = -ESRCH;
if (lock_task_sighand(p, &flags)) {
- ret = send_signal(sig, info, p, type != PIDTYPE_PID);
+ ret = send_signal(sig, info, p, type);
unlock_task_sighand(p, &flags);
}
@@ -3966,7 +3966,7 @@ void kdb_send_sig(struct task_struct *t, int sig)
"the deadlock.\n");
return;
}
- ret = send_signal(sig, SEND_SIG_PRIV, t, false);
+ ret = send_signal(sig, SEND_SIG_PRIV, t, PIDTYPE_PID);
spin_unlock(&t->sighand->siglock);
if (ret)
kdb_printf("Fail to deliver Signal %d to process %d.\n",