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| author |   millert <millert@openbsd.org> | 2003-09-23 20:26:18 +0000 |
|---|---|---|
| committer | millert <millert@openbsd.org> | 2003-09-23 20:26:18 +0000 |
| commit | b50d4f7758f916bbc5b673072bf0cf0bc7dbb615 (patch) | |
| tree | 98323696ad87f4b4a56b4947aff42b6d11a1b533 /sys/kern/kern_fork.c | |
| parent | don't print trailing \0; bug #709; Robert.Dahlem@siemens.com (diff) | |
| download | wireguard-openbsd-b50d4f7758f916bbc5b673072bf0cf0bc7dbb615.tar.xz wireguard-openbsd-b50d4f7758f916bbc5b673072bf0cf0bc7dbb615.zip | |
Limit "proc: table is full" messages to once every 10 seconds which helps when there is a fork bomb going on. From NetBSD (jdolecek)
Diffstat (limited to 'sys/kern/kern_fork.c')
| -rw-r--r-- | sys/kern/kern_fork.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/sys/kern/kern_fork.c b/sys/kern/kern_fork.c index abfa1106bd6..f137d22b431 100644 --- a/sys/kern/kern_fork.c +++ b/sys/kern/kern_fork.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_fork.c,v 1.62 2003/07/02 00:07:42 avsm Exp $ */ +/* $OpenBSD: kern_fork.c,v 1.63 2003/09/23 20:26:18 millert Exp $ */ /* $NetBSD: kern_fork.c,v 1.29 1996/02/09 18:59:34 christos Exp $ */ /* @@ -123,6 +123,9 @@ sys_rfork(struct proc *p, void *v, register_t *retval) return (fork1(p, SIGCHLD, flags, NULL, 0, NULL, NULL, retval)); } +/* print the 'table full' message once per 10 seconds */ +struct timeval fork_tfmrate = { 10, 0 }; + int fork1(struct proc *p1, int exitsig, int flags, void *stack, size_t stacksize, void (*func)(void *), void *arg, register_t *retval) @@ -144,7 +147,10 @@ fork1(struct proc *p1, int exitsig, int flags, void *stack, size_t stacksize, */ uid = p1->p_cred->p_ruid; if ((nprocs >= maxproc - 5 && uid != 0) || nprocs >= maxproc) { - tablefull("proc"); + static struct timeval lasttfm; + + if (ratecheck(&lasttfm, &fork_tfmrate)) + tablefull("proc"); return (EAGAIN); } nprocs++; |