while compiling thread program on linux machine it gives “undefined reference ” error

Question

嗨，我已经在线程中编写了一个简单的程序来创建10个线程并正常执行它们，但是当我在linux机器上编译代码时，它给出了以下错误。. * / tmp / cc4swqyK.o：在main': threadcreate1.c:(.text+0x40): undefined reference to函数中main': threadcreate1.c:(.text+0x40): undefined reference to pthread_create的main': threadcreate1.c:(.text+0x40): undefined reference to threadcreate1.c :(。text + 0x78）：对pthread_join的未定义引用collect2：ld返回1退出状态*

Answer 1

Are you compiling it as 'gcc -lpthread fileName.c'

You will have to include the header file pthread.h

#include <pthread.h>

and when compiling, specify the library to link with using ' -l 'option of gcc.