1 files changed, 101 insertions, 0 deletions
diff --git a/msm8909/sdm/include/utils/sys.h b/msm8909/sdm/include/utils/sys.h
new file mode 100644
index 00000000..6b40df45
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+++ b/msm8909/sdm/include/utils/sys.h
@@ -0,0 +1,101 @@
+/*
+* Copyright (c) 2015, The Linux Foundation. All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without modification, are permitted
+* provided that the following conditions are met:
+*    * Redistributions of source code must retain the above copyright notice, this list of
+*      conditions and the following disclaimer.
+*    * 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.
+*    * Neither the name of The Linux Foundation nor the names of its contributors may be used to
+*      endorse or promote products derived from this software without specific prior written
+*      permission.
+*
+* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER 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.
+*/
+
+#ifndef __SYS_H__
+#define __SYS_H__
+
+#include <sys/eventfd.h>
+#include <dlfcn.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <poll.h>
+#include <pthread.h>
+#include <fstream>
+
+#ifdef SDM_VIRTUAL_DRIVER
+#include <virtual_driver.h>
+#endif
+
+namespace sdm {
+
+class Sys {
+ public:
+#ifndef SDM_VIRTUAL_DRIVER
+  typedef std::fstream fstream;
+#else
+  typedef VirtualFStream fstream;
+#endif
+
+  // Pointers to system calls which are either mapped to actual system call or virtual driver.
+#ifdef TARGET_HEADLESS
+  typedef int (*ioctl)(int, unsigned long int, ...);  // NOLINT
+#else
+  typedef int (*ioctl)(int, int, ...);
+#endif
+  typedef int (*access)(const char *, int);
+  typedef int (*open)(const char *, int, ...);
+  typedef int (*close)(int);
+  typedef int (*poll)(struct pollfd *, nfds_t, int);
+  typedef ssize_t (*pread)(int, void *, size_t, off_t);
+  typedef ssize_t (*pwrite)(int, const void *, size_t, off_t);
+  typedef int (*pthread_cancel)(pthread_t thread);
+  typedef int (*dup)(int fd);
+  typedef ssize_t (*read)(int, void *, size_t);
+  typedef ssize_t (*write)(int, const void *, size_t);
+  typedef int (*eventfd)(unsigned int, int);
+
+  static bool getline_(fstream &fs, std::string &line);  // NOLINT
+
+  static ioctl ioctl_;
+  static access access_;
+  static open open_;
+  static close close_;
+  static poll poll_;
+  static pread pread_;
+  static pwrite pwrite_;
+  static pthread_cancel pthread_cancel_;
+  static dup dup_;
+  static read read_;
+  static write write_;
+  static eventfd eventfd_;
+};
+
+class DynLib {
+ public:
+  ~DynLib();
+  bool Open(const char *lib_name);
+  bool Sym(const char *func_name, void **func_ptr);
+  const char * Error() { return ::dlerror(); }
+  operator bool() const { return lib_ != NULL; }
+
+ private:
+  void Close();
+
+  void *lib_ = NULL;
+};
+
+}  // namespace sdm
+
+#endif  // __SYS_H__