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| author | Eric W. Biederman <ebiederm@xmission.com> | 2018-07-13 19:26:27 -0500 |
|---|---|---|
| committer | Eric W. Biederman <ebiederm@xmission.com> | 2018-07-21 12:57:35 -0500 |
| commit | 5a883cee7442a5fd72e18eae895113fbd7b16110 (patch) | |
| tree | 27ee4c47374b76c2f73ecf0c2ca7d6bc844623bb /kernel | |
| parent | b213984bd3987e6f5bf96b7847d151b7b42e1efd (diff) | |
| download | linux-stable-5a883cee7442a5fd72e18eae895113fbd7b16110.tar.gz linux-stable-5a883cee7442a5fd72e18eae895113fbd7b16110.tar.bz2 linux-stable-5a883cee7442a5fd72e18eae895113fbd7b16110.zip | |
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 implementing
better handling of signales set to a group of processes in fork.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/signal.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index 8decc70c1dc2..1ef94303d87a 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -998,7 +998,7 @@ static inline void userns_fixup_signal_uid(struct siginfo *info, struct task_str #endif static int __send_signal(int sig, struct siginfo *info, struct task_struct *t, - int group, int from_ancestor_ns) + enum pid_type type, int from_ancestor_ns) { struct sigpending *pending; struct sigqueue *q; @@ -1012,7 +1012,7 @@ static int __send_signal(int sig, struct siginfo *info, struct task_struct *t, from_ancestor_ns || (info == SEND_SIG_FORCED))) goto ret; - pending = group ? &t->signal->shared_pending : &t->pending; + pending = (type != PIDTYPE_PID) ? &t->signal->shared_pending : &t->pending; /* * Short-circuit ignored signals and support queuing * exactly one non-rt signal, so that we can get more @@ -1096,9 +1096,9 @@ static int __send_signal(int sig, struct siginfo *info, struct task_struct *t, out_set: signalfd_notify(t, sig); sigaddset(&pending->signal, sig); - complete_signal(sig, t, group); + complete_signal(sig, t, type != PIDTYPE_PID); ret: - trace_signal_generate(sig, info, t, group, result); + trace_signal_generate(sig, info, t, type != PIDTYPE_PID, result); return ret; } @@ -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, type != PIDTYPE_PID, from_ancestor_ns); + return __send_signal(sig, info, t, type, from_ancestor_ns); } static void print_fatal_signal(int signr) @@ -1377,7 +1377,7 @@ int kill_pid_info_as_cred(int sig, struct siginfo *info, struct pid *pid, if (sig) { if (lock_task_sighand(p, &flags)) { - ret = __send_signal(sig, info, p, 1, 0); + ret = __send_signal(sig, info, p, PIDTYPE_TGID, 0); unlock_task_sighand(p, &flags); } else ret = -ESRCH; |