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[C/C++] CLK_TCK 是虾米？

2008-05-24 14:03:43| 分类： lang_c/c++ | 标签： |举报 |字号大中小订阅

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我在 CentOS 上编译 lua posix 失败，原因是 CLK_TCK 不存在。
#define pushtime(L,x)           lua_pushnumber(L,((lua_Number)x)/CLK_TCK)

CLK_TCK 是啥呢？其实就是 CLOCKS_PER_SEC，不过 CLK_TCK 已然废弃，新的代码中不要使用就好。

http://msdn.microsoft.com/en-us/library/8001551c(VS.80).aspx
CLOCKS_PER_SEC, CLK_TCK
    The time in seconds is the value returned by the clock function, divided by CLOCKS_PER_SEC. CLK_TCK is equivalent, but considered obsolete.

http://www.chemie.fu-berlin.de/chemnet/use/info/libc/libc_17.html
int CLK_TCK
    This is an obsolete name for CLOCKS_PER_SEC.

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