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[PATCH] setpgid: should work for sub-threads

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setsid() does not work unless the calling process is a
thread_group_leader().

'man setpgid' does not tell anything about that, so I consider this
behaviour is a bug.

Signed-off-by: Oren Laadan <orenl@cs.columbia.edu>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Oren Laadan 2006-01-08 01:03:58 -08:00 • committed by Linus Torvalds
parent ee0acf90d3
commit e19f247a3d
2 changed files with 8 additions and 10 deletions
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2
kernel/exit.c
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@ -257,7 +257,7 @@ static inline void reparent_to_init(void)
void __set_special_pids(pid_t session, pid_t pgrp)
{
struct task_struct *curr = current;
struct task_struct *curr = current->group_leader;
if (curr->signal->session != session) {
detach_pid(curr, PIDTYPE_SID);