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Pay attention to FORK_SHARECWD, FORK_SHAREFILES, and FORK_SHARESIGS.

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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
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18
sys/kern/kern_fork.c
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@ -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 * Copyright (c) 1982, 1986, 1989, 1991, 1993
@ -276,8 +276,15 @@ again:
if (p2->p_textvp) if (p2->p_textvp)
VREF(p2->p_textvp); VREF(p2->p_textvp);
p2->p_fd = fdcopy(p1); if (flags & FORK_SHAREFILES)
p2->p_cwdi = cwdinit(p1); 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, * If p_limit is still copy-on-write, bump refcnt,
@ -317,7 +324,10 @@ again:
/* /*
* Create signal actions for the child process. * 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 * This begins the section where we must prevent the parent