diff options
Diffstat (limited to 'sysdeps/unix/bsd/unlockpt.c')
| -rw-r--r-- | sysdeps/unix/bsd/unlockpt.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/sysdeps/unix/bsd/unlockpt.c b/sysdeps/unix/bsd/unlockpt.c index b25231c865..de4db5a48e 100644 --- a/sysdeps/unix/bsd/unlockpt.c +++ b/sysdeps/unix/bsd/unlockpt.c @@ -17,25 +17,21 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#include <paths.h> #include <stdlib.h> +#include <string.h> #include <unistd.h> -#include "pty-internal.h" - -/* Given a fd on a master pseudoterminal, clear a kernel lock so that - the slave can be opened. This is to avoid a race between opening the - master and calling grantpt() to take possession of the slave. - - BSD doesn't have this lock, but what it does have is revoke(). */ +/* Unlock the slave pseudo terminal associated with the master pseudo + terminal specified by FD. */ int -unlockpt (fd) - int fd; +unlockpt (int fd) { - char buf[PTYNAMELEN]; + char buf[sizeof (_PATH_TTY) + 2]; - if (__ptsname_r (fd, buf, PTYNAMELEN)) + /* BSD doesn't have a lock, but it does have `revoke'. */ + if (__ptsname_r (fd, buf, sizeof (buf))) return -1; - return revoke (buf); } |