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std::raise

STD：提高

Defined in header ​​
int raise( int sig ​​

向程序发送信号信号。控件指定的信号处理程序%28std::signal()调用函数%29。

如果用户定义的信号处理策略未使用std::signal()然而，它是实现定义的信号将被忽略还是默认处理程序将被调用。

参数

sig-the signal to be sent. It can be an implementation-defined value or one of the following values: SIGABRTSIGFPESIGILLSIGINTSIGSEGVSIGTERM defines signal types (macro constant)SIGABRTSIGFPESIGILLSIGINTSIGSEGVSIGTERMdefines signal types (macro constant)
SIGABRTSIGFPESIGILLSIGINTSIGSEGVSIGTERMdefines signal types (macro constant)

返回值

​0​一旦成功，失败就非零价值。

例

二次

#include <csignal>
#include <iostream>
 
void signal_handler(int signal)
{
    std::cout << "Received signal " << signal << '\n';
}
 
int main()
{
    // Install a signal handler
    std::signal(SIGTERM, signal_handler
 
    std::cout << "Sending signal " << SIGTERM << '\n';
    std::raise(SIGTERM
}

二次

可能的产出：

二次

Sending signal 15
Received signal 15

二次

另见

signalsets a signal handler for particular signal (function)

c提出的文件

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