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author | mdodd <mdodd@FreeBSD.org> | 2002-08-04 01:07:02 +0000 |
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committer | mdodd <mdodd@FreeBSD.org> | 2002-08-04 01:07:02 +0000 |
commit | e327abdb5fe6f6022bec2eac7491975d34fa77d2 (patch) | |
tree | 0c828d394785fe576b10f2b478555ce28231defa /sys/kern/kern_fork.c | |
parent | 65f8611398fde0becef8e3b6adea757da2411823 (diff) | |
download | FreeBSD-src-e327abdb5fe6f6022bec2eac7491975d34fa77d2.zip FreeBSD-src-e327abdb5fe6f6022bec2eac7491975d34fa77d2.tar.gz |
Kernel modifications necessary to allow to follow fork()ed children.
PR: bin/25587 (in part)
MFC after: 3 weeks
Diffstat (limited to 'sys/kern/kern_fork.c')
-rw-r--r-- | sys/kern/kern_fork.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sys/kern/kern_fork.c b/sys/kern/kern_fork.c index bf09ff8..bf8f6fb 100644 --- a/sys/kern/kern_fork.c +++ b/sys/kern/kern_fork.c @@ -51,6 +51,7 @@ #include <sys/malloc.h> #include <sys/mutex.h> #include <sys/proc.h> +#include <sys/pioctl.h> #include <sys/resourcevar.h> #include <sys/syscall.h> #include <sys/vnode.h> @@ -758,6 +759,15 @@ again: PROC_UNLOCK(p2); /* + * If PF_FORK is set, the child process inherits the + * procfs ioctl flags from its parent. + */ + if (p1->p_pfsflags & PF_FORK) { + p2->p_stops = p1->p_stops; + p2->p_pfsflags = p1->p_pfsflags; + } + + /* * Return child proc pointer to parent. */ *procp = p2; |