1 //===- System.inc ---------------------------------------------------------===// 2 // 3 // The MCLinker Project 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 #include <string> 10 #include <sys/types.h> 11 #include <sys/stat.h> 12 #include <fcntl.h> 13 #include <cstdlib> 14 #include <cstring> 15 #include <windows.h> 16 17 namespace mcld{ 18 namespace sys{ 19 20 char* strerror(int errnum) 21 { 22 return std::strerror(errnum); 23 } 24 25 std::string getDefaultTargetTriple() 26 { 27 return MCLD_DEFAULT_TARGET_TRIPLE; 28 } 29 30 int GetPageSize() 31 { 32 static int _pagesize = 0; 33 if (! _pagesize) { 34 SYSTEM_INFO sysinfo; 35 GetSystemInfo (&sysinfo); 36 _pagesize = sysinfo.dwPageSize; 37 } 38 return _pagesize; 39 } 40 41 /// random - generate a random number. 42 long GetRandomNum() 43 { 44 return ::rand(); 45 } 46 47 /// srandom - set the initial seed value for future calls to random(). 48 void SetRandomSeed(unsigned pSeed) 49 { 50 ::srand(pSeed); 51 } 52 53 } // namespace of sys 54 } // namespace of mcld 55 56