muduo源码注释非常详细
个人在阅读muduo源码时,做的注释,非常详细,可以配合我的博客一起阅读。
代码片段和文件信息
/* This source file must have a .cpp extension so that all C++ compilers
recognize the extension without flags. Borland does not know .cxx for
example. */
#ifndef __cplusplus
# error “A C compiler has been selected for C++.“
#endif
/* Version number components: V=Version R=Revision P=Patch
Version date components: YYYY=Year MM=Month DD=Day */
#if defined(__COMO__)
# define COMPILER_ID “Comeau“
/* __COMO_VERSION__ = VRR */
# define COMPILER_VERSION_MAJOR DEC(__COMO_VERSION__ / 100)
# define COMPILER_VERSION_MINOR DEC(__COMO_VERSION__ % 100)
#elif defined(__INTEL_COMPILER) || defined(__ICC)
# define COMPILER_ID “Intel“
# if defined(_MSC_VER)
# define SIMULATE_ID “MSVC“
# endif
/* __INTEL_COMPILER = VRP */
# define COMPILER_VERSION_MAJOR DEC(__INTEL_COMPILER/100)
# define COMPILER_VERSION_MINOR DEC(__INTEL_COMPILER/10 % 10)
# if defined(__INTEL_COMPILER_UPDATE)
# define COMPILER_VERSION_PATCH DEC(__INTEL_COMPILER_UPDATE)
# else
# define COMPILER_VERSION_PATCH DEC(__INTEL_COMPILER % 10)
# endif
# if defined(__INTEL_COMPILER_BUILD_DATE)
/* __INTEL_COMPILER_BUILD_DATE = YYYYMMDD */
# define COMPILER_VERSION_TWEAK DEC(__INTEL_COMPILER_BUILD_DATE)
# endif
# if defined(_MSC_VER)
/* _MSC_VER = VVRR */
# define SIMULATE_VERSION_MAJOR DEC(_MSC_VER / 100)
# define SIMULATE_VERSION_MINOR DEC(_MSC_VER % 100)
# endif
#elif defined(__PATHCC__)
# define COMPILER_ID “PathScale“
# define COMPILER_VERSION_MAJOR DEC(__PATHCC__)
# define COMPILER_VERSION_MINOR DEC(__PATHCC_MINOR__)
# if defined(__PATHCC_PATCHLEVEL__)
# define COMPILER_VERSION_PATCH DEC(__PATHCC_PATCHLEVEL__)
# endif
#elif defined(__BORLANDC__) && defined(__CODEGEARC_VERSION__)
# define COMPILER_ID “Embarcadero“
# define COMPILER_VERSION_MAJOR HEX(__CODEGEARC_VERSION__>>24 & 0x00FF)
# define COMPILER_VERSION_MINOR HEX(__CODEGEARC_VERSION__>>16 & 0x00FF)
# define COMPILER_VERSION_PATCH DEC(__CODEGEARC_VERSION__ & 0xFFFF)
#elif defined(__BORLANDC__)
# define COMPILER_ID “Borland“
/* __BORLANDC__ = 0xVRR */
# define COMPILER_VERSION_MAJOR HEX(__BORLANDC__>>8)
# define COMPILER_VERSION_MINOR HEX(__BORLANDC__ & 0xFF)
#elif defined(__WATCOMC__) && __WATCOMC__ < 1200
# define COMPILER_ID “Watcom“
/* __WATCOMC__ = VVRR */
# define COMPILER_VERSION_MAJOR DEC(__WATCOMC__ / 100)
# define COMPILER_VERSION_MINOR DEC((__WATCOMC__ / 10) % 10)
# if (__WATCOMC__ % 10) > 0
# define COMPILER_VERSION_PATCH DEC(__WATCOMC__ % 10)
# endif
#elif defined(__WATCOMC__)
# define COMPILER_ID “OpenWatcom“
/* __WATCOMC__ = VVRP + 1100 */
# define COMPILER_VERSION_MAJOR DEC((__WATCOMC__ - 1100) / 100)
# define COMPILER_VERSION_MINOR DEC((__WATCOMC__ / 10) % 10)
# if (__WATCOMC__ % 10) > 0
# define COMPILER_VERSION_PATCH DEC(__WATCOMC__ % 10)
# endif
#elif defined(__SUNPRO_CC)
# define COMPILER_ID “SunPro“
# if __SUNPRO_CC >= 0x5100
/* __SUNPRO_CC = 0xVRRP */
# define COMPILER_VERSION_MAJOR HEX(__SUNPRO_CC>>12)
# define COMPILER_VERSION_MINOR HEX(__SUNPRO_CC>>4 & 0xFF)
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