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authorEric W. Biederman <ebiederm@xmission.com>2018-07-13 18:40:57 -0500
committerEric W. Biederman <ebiederm@xmission.com>2018-07-21 12:57:35 -0500
commit0102498083d58d8b17759642c602b525215e1a54 (patch)
treec415fcfa60f8bad834f2649bdf0fbeff155f868d /kernel/signal.c
parent24122c7f4969adeeaeca3fb1656a31569e9aa59b (diff)
signal: Pass pid type into group_send_sig_info
This passes the information we already have at the call sight into group_send_sig_info. Ultimatelly allowing for to better handle signals sent to a group of processes. Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Diffstat (limited to 'kernel/signal.c')
-rw-r--r--kernel/signal.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index 40feb14e276d..c7527338fe9d 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1274,7 +1274,8 @@ struct sighand_struct *__lock_task_sighand(struct task_struct *tsk,
/*
* send signal info to all the members of a group
*/
-int group_send_sig_info(int sig, struct siginfo *info, struct task_struct *p)
+int group_send_sig_info(int sig, struct siginfo *info, struct task_struct *p,
+ enum pid_type type)
{
int ret;
@@ -1301,7 +1302,7 @@ int __kill_pgrp_info(int sig, struct siginfo *info, struct pid *pgrp)
success = 0;
retval = -ESRCH;
do_each_pid_task(pgrp, PIDTYPE_PGID, p) {
- int err = group_send_sig_info(sig, info, p);
+ int err = group_send_sig_info(sig, info, p, PIDTYPE_PGID);
success |= !err;
retval = err;
} while_each_pid_task(pgrp, PIDTYPE_PGID, p);
@@ -1317,7 +1318,7 @@ int kill_pid_info(int sig, struct siginfo *info, struct pid *pid)
rcu_read_lock();
p = pid_task(pid, PIDTYPE_PID);
if (p)
- error = group_send_sig_info(sig, info, p);
+ error = group_send_sig_info(sig, info, p, PIDTYPE_TGID);
rcu_read_unlock();
if (likely(!p || error != -ESRCH))
return error;
@@ -1420,7 +1421,8 @@ static int kill_something_info(int sig, struct siginfo *info, pid_t pid)
for_each_process(p) {
if (task_pid_vnr(p) > 1 &&
!same_thread_group(p, current)) {
- int err = group_send_sig_info(sig, info, p);
+ int err = group_send_sig_info(sig, info, p,
+ PIDTYPE_MAX);
++count;
if (err != -EPERM)
retval = err;