X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=common-src%2Famflock.h;fp=common-src%2Famflock.h;h=f9d33e136011e299072b99a98e4d89fb3dcccbc9;hb=94a044f90357edefa6f4ae9f0b1d5885b0e34aee;hp=0000000000000000000000000000000000000000;hpb=d3b2175e084f88c8736ad7073eacbf4670147aec;p=debian%2Famanda diff --git a/common-src/amflock.h b/common-src/amflock.h new file mode 100644 index 0000000..f9d33e1 --- /dev/null +++ b/common-src/amflock.h @@ -0,0 +1,53 @@ +/* + * Amanda, The Advanced Maryland Automatic Network Disk Archiver + * Copyright (c) 1991-1999 University of Maryland at College Park + * All Rights Reserved. + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of U.M. not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. U.M. makes no representations about the + * suitability of this software for any purpose. It is provided "as is" + * without express or implied warranty. + * + * U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M. + * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: the Amanda Development Team. Its members are listed in a + * file named AUTHORS, in the root directory of this distribution. + */ + +/* Moved from amanda.h and amflock.c by Dustin J. Mitchell */ + +/* Public interface */ + +/* + * Get a file lock (for read/write files). + */ +int amflock(int fd, char *resource); + +/* + * Get a file lock (for read-only files). + */ +int amroflock(int fd, char *resource); + +/* + * Release a file lock. + */ +int amfunlock(int fd, char *resource); + +/* Implementation interface */ +typedef int (*amflock_fn)(int, char *); +typedef struct amflock_impl_s { + amflock_fn amflock_impl; + amflock_fn amroflock_impl; + amflock_fn amfunlock_impl; + char *impl_name; +} amflock_impl_t;