mirror of
https://github.com/bkaradzic/bx.git
synced 2026-02-17 20:52:37 +01:00
165 lines
3.6 KiB
C++
165 lines
3.6 KiB
C++
/*
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* Copyright 2010-2013 Branimir Karadzic. All rights reserved.
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* License: http://www.opensource.org/licenses/BSD-2-Clause
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*/
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#ifndef BX_OS_H_HEADER_GUARD
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#define BX_OS_H_HEADER_GUARD
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#include "bx.h"
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#if BX_PLATFORM_WINDOWS
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# include <windows.h>
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#elif BX_PLATFORM_ANDROID \
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|| BX_PLATFORM_EMSCRIPTEN \
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|| BX_PLATFORM_FREEBSD \
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|| BX_PLATFORM_IOS \
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|| BX_PLATFORM_LINUX \
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|| BX_PLATFORM_NACL \
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|| BX_PLATFORM_OSX
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# include <sched.h> // sched_yield
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# if BX_PLATFORM_FREEBSD || BX_PLATFORM_IOS || BX_PLATFORM_NACL || BX_PLATFORM_OSX
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# include <pthread.h> // mach_port_t
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# endif // BX_PLATFORM_IOS || BX_PLATFORM_OSX || BX_PLATFORM_NACL
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# if BX_PLATFORM_NACL
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# include <sys/nacl_syscalls.h> // nanosleep
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# else
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# include <time.h> // nanosleep
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# include <dlfcn.h> // dlopen, dlclose, dlsym
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# endif // BX_PLATFORM_NACL
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# if BX_PLATFORM_LINUX
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# include <unistd.h> // syscall
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# include <sys/syscall.h>
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# endif // BX_PLATFORM_LINUX
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# if BX_PLATFORM_ANDROID
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# include "debug.h" // getTid is not implemented...
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# endif // BX_PLATFORM_ANDROID
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#endif // BX_PLATFORM_
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#if BX_COMPILER_MSVC
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# include <direct.h> // _getcwd
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#else
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# include <unistd.h> // getcwd
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#endif // BX_COMPILER_MSVC
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namespace bx
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{
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inline void sleep(uint32_t _ms)
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{
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#if BX_PLATFORM_WINDOWS || BX_PLATFORM_XBOX360
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::Sleep(_ms);
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#else
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timespec req = {(time_t)_ms/1000, (long)((_ms%1000)*1000000)};
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timespec rem = {0, 0};
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::nanosleep(&req, &rem);
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#endif // BX_PLATFORM_
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}
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inline void yield()
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{
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#if BX_PLATFORM_WINDOWS
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::SwitchToThread();
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#elif BX_PLATFORM_XBOX360
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::Sleep(0);
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#else
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::sched_yield();
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#endif // BX_PLATFORM_
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}
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inline uint32_t getTid()
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{
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#if BX_PLATFORM_WINDOWS
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return ::GetCurrentThreadId();
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#elif BX_PLATFORM_LINUX
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return (pid_t)::syscall(SYS_gettid);
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#elif BX_PLATFORM_IOS || BX_PLATFORM_OSX
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return (mach_port_t)::pthread_mach_thread_np(pthread_self() );
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#elif BX_PLATFORM_FREEBSD || BX_PLATFORM_NACL
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// Casting __nc_basic_thread_data*... need better way to do this.
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return *(uint32_t*)::pthread_self();
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#else
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//# pragma message "not implemented."
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debugOutput("getTid is not implemented"); debugBreak();
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return 0;
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#endif //
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}
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inline void* dlopen(const char* _filePath)
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{
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#if BX_PLATFORM_WINDOWS
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return (void*)::LoadLibraryA(_filePath);
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#elif BX_PLATFORM_NACL || BX_PLATFORM_EMSCRIPTEN
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BX_UNUSED(_filePath);
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return NULL;
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#else
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return ::dlopen(_filePath, RTLD_LOCAL|RTLD_LAZY);
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#endif // BX_PLATFORM_
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}
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inline void dlclose(void* _handle)
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{
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#if BX_PLATFORM_WINDOWS
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::FreeLibrary( (HMODULE)_handle);
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#elif BX_PLATFORM_NACL || BX_PLATFORM_EMSCRIPTEN
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BX_UNUSED(_handle);
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#else
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::dlclose(_handle);
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#endif // BX_PLATFORM_
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}
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inline void* dlsym(void* _handle, const char* _symbol)
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{
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#if BX_PLATFORM_WINDOWS
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return (void*)::GetProcAddress( (HMODULE)_handle, _symbol);
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#elif BX_PLATFORM_NACL || BX_PLATFORM_EMSCRIPTEN
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BX_UNUSED(_handle, _symbol);
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return NULL;
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#else
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return ::dlsym(_handle, _symbol);
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#endif // BX_PLATFORM_
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}
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inline void setenv(const char* _name, const char* _value)
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{
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#if BX_PLATFORM_WINDOWS
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::SetEnvironmentVariableA(_name, _value);
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#else
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::setenv(_name, _value, 1);
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#endif // BX_PLATFORM_
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}
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inline void unsetenv(const char* _name)
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{
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#if BX_PLATFORM_WINDOWS
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::SetEnvironmentVariableA(_name, NULL);
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#else
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::unsetenv(_name);
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#endif // BX_PLATFORM_
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}
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inline int chdir(const char* _path)
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{
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#if BX_COMPILER_MSVC
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return ::_chdir(_path);
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#else
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return ::chdir(_path);
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#endif // BX_COMPILER_
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}
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inline char* pwd(char* _buffer, uint32_t _size)
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{
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#if BX_COMPILER_MSVC
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return ::_getcwd(_buffer, (int)_size);
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#else
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return ::getcwd(_buffer, _size);
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#endif // BX_COMPILER_
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}
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} // namespace bx
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#endif // BX_OS_H_HEADER_GUARD
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