Date: Thu, 3 Apr 2014 22:14:19 +0000 (UTC) From: Xin LI <delphij@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r264089 - head/sbin/casperd Message-ID: <201404032214.s33MEJgp021736@svn.freebsd.org>
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Author: delphij Date: Thu Apr 3 22:14:18 2014 New Revision: 264089 URL: http://svnweb.freebsd.org/changeset/base/264089 Log: Detach from controlling session of parent. This is similar to what is done in daemon(3), which we can not use directly in this context. Reviewed by: pjd MFC after: 2 weeks Modified: head/sbin/casperd/zygote.c Modified: head/sbin/casperd/zygote.c ============================================================================== --- head/sbin/casperd/zygote.c Thu Apr 3 21:39:59 2014 (r264088) +++ head/sbin/casperd/zygote.c Thu Apr 3 22:14:18 2014 (r264089) @@ -63,6 +63,9 @@ stdnull(void) if (fd == -1) errx(1, "Unable to open %s", _PATH_DEVNULL); + if (setsid() == -1) + errx(1, "Unable to detach from session"); + if (dup2(fd, STDIN_FILENO) == -1) errx(1, "Unable to cover stdin"); if (dup2(fd, STDOUT_FILENO) == -1)
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