Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Pay attention to FORK_SHARECWD, FORK_SHAREFILES, and FORK_SHARESIGS.

Browse Source
This commit is contained in:
thorpej 1999-04-30 21:39:51 +00:00
parent 2835fc6e46
commit b699afcb5b
1 changed files with 14 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
sys/kern/kern_fork.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: kern_fork.c,v 1.56 1999/04/30 21:23:49 thorpej Exp $ */
/* $NetBSD: kern_fork.c,v 1.57 1999/04/30 21:39:51 thorpej Exp $ */
/*
* Copyright (c) 1982, 1986, 1989, 1991, 1993
@ -276,8 +276,15 @@ again:
if (p2->p_textvp)
VREF(p2->p_textvp);
p2->p_fd = fdcopy(p1);
p2->p_cwdi = cwdinit(p1);
if (flags & FORK_SHAREFILES)
fdshare(p1, p2);
else
p2->p_fd = fdcopy(p1);
if (flags & FORK_SHARECWD)
cwdshare(p1, p2);
else
p2->p_cwdi = cwdinit(p1);
/*
* If p_limit is still copy-on-write, bump refcnt,
@ -317,7 +324,10 @@ again:
/*
* Create signal actions for the child process.
*/
p2->p_sigacts = sigactsinit(p1);
if (flags & FORK_SHARESIGS)
sigactsshare(p1, p2);
else
p2->p_sigacts = sigactsinit(p1);
/*
* This begins the section where we must prevent the parent