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Diffstat (limited to 'scrypt-1.1.6/lib/util/memlimit.h')
-rw-r--r-- | scrypt-1.1.6/lib/util/memlimit.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/scrypt-1.1.6/lib/util/memlimit.h b/scrypt-1.1.6/lib/util/memlimit.h new file mode 100644 index 0000000..d3b4891 --- /dev/null +++ b/scrypt-1.1.6/lib/util/memlimit.h @@ -0,0 +1,42 @@ +/*- + * Copyright 2009 Colin Percival + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * This file was originally written by Colin Percival as part of the Tarsnap + * online backup system. + */ +#ifndef _MEMLIMIT_H_ +#define _MEMLIMIT_H_ + +#include <stddef.h> + +/** + * memtouse(maxmem, maxmemfrac, memlimit): + * Examine the system and return via memlimit the amount of RAM which should + * be used -- the specified fraction of the available RAM, but no more than + * maxmem, and no less than 1MiB. + */ +int memtouse(size_t, double, size_t *); + +#endif /* !_MEMLIMIT_H_ */ |