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| author | msmith <msmith@FreeBSD.org> | 1998-10-15 01:47:40 +0000 |
|---|---|---|
| committer | msmith <msmith@FreeBSD.org> | 1998-10-15 01:47:40 +0000 |
| commit | 59741c0a1610ce42adc937341ce3e0466ea3c3ce (patch) | |
| tree | 3fdef53bb519b9dcff0ca687bc3184f155a47bb5 /lib/libc | |
| parent | ec797a83354c9c374e6b3c59d8329e37c522ebf1 (diff) | |
| download | FreeBSD-src-59741c0a1610ce42adc937341ce3e0466ea3c3ce.zip FreeBSD-src-59741c0a1610ce42adc937341ce3e0466ea3c3ce.tar.gz | |
Conform to POSIX and close any copies of popen() descriptors inherited by a
popen()ed child.
PR: misc/7810
Submitted by: Wayne Scott <wscott@ichips.intel.com>
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/gen/popen.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/libc/gen/popen.c b/lib/libc/gen/popen.c index 8616671..bcbd164 100644 --- a/lib/libc/gen/popen.c +++ b/lib/libc/gen/popen.c @@ -65,6 +65,7 @@ popen(command, type) FILE *iop; int pdes[2], pid, twoway; char *argv[4]; + struct pid *p; /* * Lite2 introduced two-way popen() pipes using socketpair(). @@ -124,6 +125,9 @@ popen(command, type) } (void)close(pdes[1]); } + for (p = pidlist; p; p = p->next) { + (void)close(fileno(p->fp)); + } execve(_PATH_BSHELL, argv, environ); _exit(127); /* NOTREACHED */ |
