[thirdparty/glibc.git] / sysdeps / mach / hurd / flock.c

/* Copyright (C) 1992-2018 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <errno.h>
#include <sys/file.h>
#include <hurd/fd.h>
#include <hurd/fs.h>

/* Apply or remove an advisory lock, according to OPERATION,
   on the file FD refers to.  */
int
__flock (int fd, int operation)
{
  error_t err;

  if (err = HURD_DPORT_USE (fd, __file_lock (port, operation)))
    return __hurd_dfail (fd, err);

  return 0;
}

weak_alias (__flock, flock)
Commit	Line	Data
688903eb	1	/* Copyright (C) 1992-2018 Free Software Foundation, Inc.
ebbad4cc	2	This file is part of the GNU C Library.
28f540f4	3
ebbad4cc	4	The GNU C Library is free software; you can redistribute it and/or
41bdb6e2 AJ	5	modify it under the terms of the GNU Lesser General Public
	6	License as published by the Free Software Foundation; either
	7	version 2.1 of the License, or (at your option) any later version.
28f540f4	8
ebbad4cc UD	9	The GNU C Library is distributed in the hope that it will be useful,
	10	but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
41bdb6e2	12	Lesser General Public License for more details.
28f540f4	13
41bdb6e2	14	You should have received a copy of the GNU Lesser General Public
59ba27a6 PE	15	License along with the GNU C Library; if not, see
59ba27a6 PE	16	<http://www.gnu.org/licenses/>. */
28f540f4	17
28f540f4 RM	18	#include <errno.h>
	19	#include <sys/file.h>
	20	#include <hurd/fd.h>
	21	#include <hurd/fs.h>
	22
	23	/* Apply or remove an advisory lock, according to OPERATION,
	24	on the file FD refers to. */
	25	int
bd2260a2	26	__flock (int fd, int operation)
28f540f4 RM	27	{
	28	error_t err;
	29
	30	if (err = HURD_DPORT_USE (fd, __file_lock (port, operation)))
	31	return __hurd_dfail (fd, err);
	32
	33	return 0;
	34	}
	35
	36	weak_alias (__flock, flock)