编程学习

C Name Value Description EPERM 1 Operation not permitted ENOENT 2 No such file or directory ESRCH 3 No such process EINTR

flags标志含义： #define CSIGNAL 0x000000ff /* signal mask to be sent at exit */ #define CLONE_VM 0x00000100 /* set if VM shared between processes */ #define CLONE_FS 0x00000200 /* set if fs info shared