SYSCALL_DEFINE4

函数名称：SYSCALL_DEFINE4

函数原型：SYSCALL_DEFINE4(tee, int, fdin, int, fdout, size_t, len, unsigned int, flags)

返回类型：

参数：无

1801

如果此条件成立可能性小(为编译器优化)(flags & ~SPLICE_F_ALL)则返回:负EINVAL

1804

如果此条件成立可能性小(为编译器优化)(!len)则返回:0

1807

error等于负EBADF

1808

in等于fdget(fdin)

1809

如果file则

1810

如果f_mode按位与le is open for reading 则

1811

out等于fdget(fdout)

1812

如果file则

1813

如果f_mode按位与le is open for writing 则error等于This is a tee(1) implementation that works on pipes. It doesn't copy* any data, it simply references the 'in' pages on the 'out' pipe.* The 'flags' used are the SPLICE_F_* variants, currently the only* applicable one is SPLICE_F_NONBLOCK.

1816

1819

1822

返回:error

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码