diff options
| author | kib <kib@FreeBSD.org> | 2012-08-15 15:56:21 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2012-08-15 15:56:21 +0000 |
| commit | 604f552e40a9a201162d6c070fd96bc504b30ff3 (patch) | |
| tree | a9682200639371dd135caf82e8d5130aa117d0c2 /sys/kern/kern_thread.c | |
| parent | ba66fb6ab507c9347d6b74704834eddfad52ed48 (diff) | |
| download | FreeBSD-src-604f552e40a9a201162d6c070fd96bc504b30ff3.zip FreeBSD-src-604f552e40a9a201162d6c070fd96bc504b30ff3.tar.gz | |
Add a sysctl kern.pid_max, which limits the maximum pid the system is
allowed to allocate, and corresponding tunable with the same
name. Note that existing processes with higher pids are left intact.
MFC after: 1 week
Diffstat (limited to 'sys/kern/kern_thread.c')
| -rw-r--r-- | sys/kern/kern_thread.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/kern/kern_thread.c b/sys/kern/kern_thread.c index 69a416e..d21763c 100644 --- a/sys/kern/kern_thread.c +++ b/sys/kern/kern_thread.c @@ -269,7 +269,11 @@ threadinit(void) { mtx_init(&tid_lock, "TID lock", NULL, MTX_DEF); - /* leave one number for thread0 */ + + /* + * pid_max cannot be greater then PID_MAX. + * leave one number for thread0. + */ tid_unrhdr = new_unrhdr(PID_MAX + 2, INT_MAX, &tid_lock); thread_zone = uma_zcreate("THREAD", sched_sizeof_thread(), |
