diff options
Diffstat (limited to 'sysdeps/generic/utmp_file.c')
| -rw-r--r-- | sysdeps/generic/utmp_file.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/sysdeps/generic/utmp_file.c b/sysdeps/generic/utmp_file.c index ddf49467ef..74e91fb948 100644 --- a/sysdeps/generic/utmp_file.c +++ b/sysdeps/generic/utmp_file.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc. +/* Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com> and Paul Janzen <pcj@primenet.com>, 1996. @@ -114,6 +114,7 @@ setutent_file (void) if (file_fd < 0) { const char *file_name; + int result; file_name = TRANSFORM_UTMP_FILE_NAME (__libc_utmp_file_name); @@ -125,6 +126,16 @@ setutent_file (void) if (file_fd == -1) return 0; } + + /* We have to make sure the file is `closed on exec'. */ + result = __fcntl (file_fd, F_GETFD, 0); + if (result >= 0) + result = __fcntl (file_fd, F_SETFD, result | FD_CLOEXEC); + if (result == -1) + { + close (file_fd); + return 0; + } } __lseek (file_fd, 0, SEEK_SET); |