glibc/sysdeps/unix/sysv/linux/unlockpt.c
Ulrich Drepper 6591c33562 Update.
1998-01-30 19:58  Ulrich Drepper  <drepper@cygnus.com>

	* include/cpio.h: Move to ...
	* posix/cpio.h: ...here.

	* locale/programs/ld-collate.c: Fix typo.

	* signal/signal.h: Declare _sys_siglist with NSIG+1 elements.

	* stdio-common/tiformat.c: Add checks for %#.0o and friends.

	* login/utmp_file.c (pututline_file): Don't always report success
	if similar entry is found.  Patch by Mark M. Kettenis.

1998-01-30 16:06  Philip Blundell  <pb@nexus.co.uk>

	* manual/Makefile: Don't try to install the info files if makeinfo
	is not available.

1998-01-30 12:05  Philip Blundell  <pb@nexus.co.uk>

	* sysdeps/unix/sysv/linux/bits/ioctls.h: Include a copy of the
	kernel's network ioctls, rather than using <linux/sockios.h> to
	get them.  This way we are sure of maintaining compatibility if
	the kernel interface should change.

1998-01-30 15:52  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/Dist: Add netrose/rose.h.

1998-01-25 19:54  Philip Blundell  <Philip.Blundell@pobox.com>

	* sysdeps/unix/sysv/linux/netrose/rose.h: New file.
	* sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Install it.

1998-01-27 22:29  Zack Weinberg  <zack@rabi.phys.columbia.edu>

	Implement System V pseudoterminal handling.

	* login/Makefile
	(routines): Add getpt, grantpt, unlockpt, ptsname.
	(libutil-routines): Remove pty. Add openpty, forkpty.
	(distribute): New internal header pty-internal.h.
	(others): Add the helper program, pt_chown.
	(install-others): Install it, in $(libexecdir), mode 4755.

	* login/pty-internal.h: New file.
	* login/openpty.c: New file.
	* login/forkpty.c: New file.
	* login/programs/pt_chown.c: New file.

	* libc.map: Add getpt, grantpt, unlockpt, ptsname, ptsname_r.
	* stdlib/stdlib.h: Prototype them.

	* config.make.in: Define $(libexecdir).
	* Makeconfig: Define $(inst_libexecdir).

	* sysdeps/generic/pty.c: Removed.
	* sysdeps/unix/sysv/linux/pty.c: Removed.

	* sysdeps/generic/getpt.c: Stub out.
	* sysdeps/generic/grantpt.c: Likewise.
	* sysdeps/generic/ptsname.c: Likewise.
	* sysdeps/generic/unlockpt.c: Likewise.

	* sysdeps/unix/grantpt.c: New file.
	* sysdeps/unix/bsd/getpt.c: New file.
	* sysdeps/unix/bsd/unlockpt.c: New file.
	* sysdeps/unix/sysv/linux/getpt.c: New file.
	* sysdeps/unix/sysv/linux/ptsname.c: New file.
	* sysdeps/unix/sysv/linux/unlockpt.c: New file.

1998-01-29 23:56  Ulrich Drepper  <drepper@cygnus.com>

	* localedata/locales/ru_RU: Fix YESEXPR.  Patch by lav@yars.free.net.

1998-01-29  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* nss/Makefile (tests): Add rule for test-netdb.c.

	* nss/test-netdb.c: New file.

1998-01-29 02:38  Ulrich Drepper  <drepper@cygnus.com>

	* elf/dl-open.c (_dl_open): Make sure the variable `reloc' is
	really kept as a variable.  Patch by Richard Henderson,
	reported by Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>.

	* elf/rtld.c (dl_main): Call _dl_init_paths before handling preloading.
	* elf/genrtldtbl.awk: Mark machine dependent directory of generated
	entries as not existing.

1998-01-26  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* stdio-common/vfprintf.c (process_arg): Fix printing of octal
	zero in alternate form with precision of zero, which must produce
	"0".  Add braces to avoid ambiguous `else'.

1998-01-26  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* nis/nss_compat/compat-grp.c: Fix memory leak and trailing null
	problem with strncpy.
	* nis/nss_compat/compat-pwd.c: Likewise.
	* nis/nss_compat/comapt-spwd.c: Likewise.

1998-01-28  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* assert/assert.h (assert_perror): Correct test for errnum.  Patch
	by uch@nop.or.jp. [PR libc/437]

1997-12-20  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* locales/pl_PL: Fix int_curr_symbol.

1998-01-26  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* nis/nis_cache.c: Include <unistd.h> for declaration of close.

1998-01-06  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* stdio-common/test-popen.c: Include <errno.h>.

	* sysdeps/unix/sysv/linux/if_index.c: Include <unistd.h> for
	close.

	* inet/getnetgrent_r.c: Include <errno.h>.

	* db2/db/db_conv.c: Include <string.h> for memcpy.

	* gmon/bb_exit_func.c: Include <string.h> instead of <strings.h>
	so that memcpy is declared.

	* iconv/iconv_open.c: Include <stdlib.h> for alloca.

	* misc/init-misc.c: Remove unneeded inclusion of <errno.h>.

1998-01-26  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* pwd/fgetpwent_r.c (__fgetpwent_r): Correctly handle buffer
	overflow while reading line with fgets.
	* grp/fgetgrent_r.c (__fgetgrent_r): Likewise.

1998-01-27 00:46  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/bits/types.h (__ipc_pid_t): Change to
	unsigned short, not short.
	Reported by Andreas Jaeger.

1998-01-06  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sysdeps/unix/sysv/linux/mips/syscalls.list: Correct typo
	(ccept->accept).

	* sysdeps/generic/inttypes.h: Fix spelling.

1998-01-04  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sysdeps/unix/sysv/linux/arm/Dist: Add bits/mman.h.

	* sysdeps/unix/sysv/linux/alpha/Dist: Add net/route.h.

1998-01-27 00:30  Ulrich Drepper  <drepper@cygnus.com>

	* stdio-common/printf.h (struct print_info): Add new bitfield is_char.
	* stdio-common/printf-parse.h (parse_one_spec): Fill in is_char
	field for hh modifier.
	* stdio-common/vfprint.c: Use is_char field and do not depend in
	is_short having the value 2.
	Bug reported by Andreas Jaeger.

1998-01-05  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* libio/freopen.c (freopen): Call _IO_old_freopen only if defined
	PIC && DO_VERSIONING.

1998-01-24  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Rules: Add rules for $(common-objpfx)dummy$o.
1998-01-30 11:44:34 +00:00

51 lines
1.6 KiB
C

/* Copyright (C) 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <sys/ioctl.h>
#include <termios.h>
#include <errno.h>
#include <stdlib.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. */
int
unlockpt (fd)
int fd __attribute__ ((unused));
{
#ifdef TIOCSPTLCK
int serrno = errno;
int unlock = 0;
if (ioctl (fd, TIOCSPTLCK, &unlock))
{
if(errno == EINVAL)
{
__set_errno (serrno);
return 0;
}
else
return -1;
}
#else
/* On pre-/dev/ptmx kernels this function should be a no-op. */
return 0;
#endif
}