signal: Pass pid and pid type into send_sigqueue

Browse source

Make the code more maintainable by performing more of the signal
related work in send_sigqueue.

A quick inspection of do_timer_create will show that this code path
does not lookup a thread group by a thread's pid.  Making it safe
to find the task pointed to by it_pid with "pid_task(it_pid, type)";

This supports the changes needed in fork to tell if a signal was sent
to a single process or a group of processes.

Having the pid to task transition in signal.c will also make it easier
to sort out races with de_thread and and the thread group leader
exiting when it comes time to address that.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>

...

This commit is contained in:

Eric W. Biederman 2018-07-20 14:30:23 -05:00

parent 2118e1f53f

commit 24122c7f49

3 changed files with 14 additions and 15 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

2

include/linux/sched/signal.h

View file

14

kernel/signal.c

View file

13

kernel/time/posix-timers.c

View file