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author | San Mehat <san@google.com> | 2010-01-06 10:33:53 -0800 |
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committer | San Mehat <san@google.com> | 2010-01-06 10:55:29 -0800 |
commit | a19b250bd273455933ca3502cf2c2e0a803aff77 (patch) | |
tree | 52cc87754a056859bcf1fe6362a16dd594f3e392 /Loop.h | |
parent | 7b8f2db4b07deaaa2f6f5ffbee0386a394032b08 (diff) | |
download | system_vold-a19b250bd273455933ca3502cf2c2e0a803aff77.zip system_vold-a19b250bd273455933ca3502cf2c2e0a803aff77.tar.gz system_vold-a19b250bd273455933ca3502cf2c2e0a803aff77.tar.bz2 |
vold2: Initial support for Android Secure External Caches
Signed-off-by: San Mehat <san@google.com>
Diffstat (limited to 'Loop.h')
-rw-r--r-- | Loop.h | 36 |
1 files changed, 36 insertions, 0 deletions
@@ -0,0 +1,36 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef _LOOP_H +#define _LOOP_H + +#include <unistd.h> +#include <linux/loop.h> + +class Loop { +public: + static const int LOOP_MAX = 8; +public: + static int getNextAvailable(char *buffer, size_t len); + static int lookupActive(const char *loopFile, char *buffer, size_t len); + + static int create(const char *loopDevice, const char *loopFile); + static int destroyByDevice(const char *loopDevice); + static int destroyByFile(const char *loopFile); + static int createImageFile(const char *file, size_t sizeMb); +}; + +#endif |