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101 lines
3.3 KiB
101 lines
3.3 KiB
/* |
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* Copyright (c) 2015, The Linux Foundation. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without modification, are permitted |
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* provided that the following conditions are met: |
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* * Redistributions of source code must retain the above copyright notice, this list of |
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* conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above copyright notice, this list of |
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* conditions and the following disclaimer in the documentation and/or other materials provided |
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* with the distribution. |
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* * Neither the name of The Linux Foundation nor the names of its contributors may be used to |
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* endorse or promote products derived from this software without specific prior written |
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* permission. |
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* |
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef __SYS_H__ |
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#define __SYS_H__ |
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#include <sys/eventfd.h> |
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#include <dlfcn.h> |
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#include <unistd.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <poll.h> |
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#include <pthread.h> |
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#include <fstream> |
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#ifdef SDM_VIRTUAL_DRIVER |
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#include <virtual_driver.h> |
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#endif |
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namespace sdm { |
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class Sys { |
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public: |
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#ifndef SDM_VIRTUAL_DRIVER |
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typedef std::fstream fstream; |
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#else |
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typedef VirtualFStream fstream; |
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#endif |
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// Pointers to system calls which are either mapped to actual system call or virtual driver. |
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#ifdef TARGET_HEADLESS |
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typedef int (*ioctl)(int, unsigned long int, ...); // NOLINT |
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#else |
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typedef int (*ioctl)(int, int, ...); |
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#endif |
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typedef int (*access)(const char *, int); |
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typedef int (*open)(const char *, int, ...); |
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typedef int (*close)(int); |
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typedef int (*poll)(struct pollfd *, nfds_t, int); |
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typedef ssize_t (*pread)(int, void *, size_t, off_t); |
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typedef ssize_t (*pwrite)(int, const void *, size_t, off_t); |
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typedef int (*pthread_cancel)(pthread_t thread); |
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typedef int (*dup)(int fd); |
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typedef ssize_t (*read)(int, void *, size_t); |
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typedef ssize_t (*write)(int, const void *, size_t); |
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typedef int (*eventfd)(unsigned int, int); |
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static bool getline_(fstream &fs, std::string &line); // NOLINT |
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static ioctl ioctl_; |
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static access access_; |
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static open open_; |
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static close close_; |
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static poll poll_; |
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static pread pread_; |
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static pwrite pwrite_; |
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static pthread_cancel pthread_cancel_; |
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static dup dup_; |
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static read read_; |
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static write write_; |
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static eventfd eventfd_; |
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}; |
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class DynLib { |
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public: |
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~DynLib(); |
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bool Open(const char *lib_name); |
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bool Sym(const char *func_name, void **func_ptr); |
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const char * Error() { return ::dlerror(); } |
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operator bool() const { return lib_ != NULL; } |
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private: |
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void Close(); |
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void *lib_ = NULL; |
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}; |
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} // namespace sdm |
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#endif // __SYS_H__
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