Date: Mon, 8 Feb 2010 15:50:51 +0000 (UTC) From: Jaakko Heinonen <jh@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r203667 - stable/8/usr.bin/truss Message-ID: <201002081550.o18FopI0087061@svn.freebsd.org>
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Author: jh Date: Mon Feb 8 15:50:51 2010 New Revision: 203667 URL: http://svn.freebsd.org/changeset/base/203667 Log: MFC r200752: Avoid sharing the file descriptor of the output file with traced processes by setting the FD_CLOEXEC flag for the output file. PR: bin/140493 Modified: stable/8/usr.bin/truss/main.c Directory Properties: stable/8/usr.bin/truss/ (props changed) Modified: stable/8/usr.bin/truss/main.c ============================================================================== --- stable/8/usr.bin/truss/main.c Mon Feb 8 15:48:18 2010 (r203666) +++ stable/8/usr.bin/truss/main.c Mon Feb 8 15:50:51 2010 (r203667) @@ -239,6 +239,12 @@ main(int ac, char **av) if ((trussinfo->outfile = fopen(fname, "w")) == NULL) errx(1, "cannot open %s", fname); } + /* + * Set FD_CLOEXEC, so that the output file is not shared with + * the traced process. + */ + if (fcntl(fileno(trussinfo->outfile), F_SETFD, FD_CLOEXEC) == -1) + warn("fcntl()"); /* * If truss starts the process itself, it will ignore some signals --
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