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SIG_DFL

西格[医]DFL、SIG[医]IGN

Defined in header ​​
#define SIG_DFL /*implementation defined*/​​
#define SIG_IGN /*implementation defined*/​​

大SIG_DFL和SIG_IGN宏展开为不等于任何函数的地址的整数表达式。宏定义了用于std::signal()功能。

ConstantExplanation
SIG_DFLdefault signal handling
SIG_IGNsignal is ignored

另见

c SIG文件[医]DFL、SIG[医]IGN

*。

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