From: Oleg Nesterov <oleg@tv-sign.ru>
Replace open-coded thread_group_leader() calls.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
25-akpm/fs/binfmt_elf.c | 2 +-
25-akpm/fs/exec.c | 6 +++---
2 files changed, 4 insertions(+), 4 deletions(-)
diff -puN fs/binfmt_elf.c~dont-hide-thread_group_leader-from-grep fs/binfmt_elf.c
--- 25/fs/binfmt_elf.c~dont-hide-thread_group_leader-from-grep 2004-12-03 20:56:32.599804264 -0800
+++ 25-akpm/fs/binfmt_elf.c 2004-12-03 20:56:32.606803200 -0800
@@ -1201,7 +1201,7 @@ static void fill_prstatus(struct elf_prs
prstatus->pr_ppid = p->parent->pid;
prstatus->pr_pgrp = process_group(p);
prstatus->pr_sid = p->signal->session;
- if (p->pid == p->tgid) {
+ if (thread_group_leader(p)) {
/*
* This is the record for the group leader. Add in the
* cumulative times of previous dead threads. This total
diff -puN fs/exec.c~dont-hide-thread_group_leader-from-grep fs/exec.c
--- 25/fs/exec.c~dont-hide-thread_group_leader-from-grep 2004-12-03 20:56:32.601803960 -0800
+++ 25-akpm/fs/exec.c 2004-12-03 20:56:32.607803048 -0800
@@ -617,7 +617,7 @@ static inline int de_thread(struct task_
* Account for the thread group leader hanging around:
*/
count = 2;
- if (current->pid == current->tgid)
+ if (thread_group_leader(current))
count = 1;
while (atomic_read(&sig->count) > count) {
sig->group_exit_task = current;
@@ -636,7 +636,7 @@ static inline int de_thread(struct task_
* do is to wait for the thread group leader to become inactive,
* and to assume its PID:
*/
- if (current->pid != current->tgid) {
+ if (!thread_group_leader(current)) {
struct task_struct *leader = current->group_leader, *parent;
struct dentry *proc_dentry1, *proc_dentry2;
unsigned long exit_state, ptrace;
@@ -746,7 +746,7 @@ no_thread_group:
if (!thread_group_empty(current))
BUG();
- if (current->tgid != current->pid)
+ if (!thread_group_leader(current))
BUG();
return 0;
}
_