Linux C程序-阿里云

关于linux写时复制的一个疑问，C程序

linux写时复制的机制就是，当fork出一个子进程的时候，子进程并不立刻复制数据段，而是当子进程要修改数据时才分配相应内存给变量。按照这样的原理，我用C写了一个程序，声明一个全局变量并初始化，然后在进程里fork出一个进程，这时在父子进程输出全局变量的地址都是一样的，我在子进程修改变量值后，同样在...

64位linux 编译c程序链接到i386-linux-gnu

在自己的64位的linux上写的C程序，编译运行都很正常，生成的.d文件里面链接的库也是链接到x86_64-linux-gnu下的。程序拷贝到64位服务器上去运行也没有问题，但是如果重新make的话就会出错，.d文件里面链接的库都是链接到 i386-linux-gnu 下的，然后提示找不到这些头文件...

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【图解】Linux下C程序进程地址空间布局 .

作者：沧海猎人出处：http://blog.csdn.net/embedded_hunter 转载请注明出处嵌入式技术交流QQ群：179012822 我们在学习C程序开发时经常会遇到一些概念：代码段、数据段、BSS段（Blo...

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更新时间 2022-08-26 12:16:31

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