哪个系统调用可以返回EINTR或EAGAIN错误codeS？ [英] Which system calls can return EINTR or EAGAIN error codes?

问题描述

下面哪个系统调用可以返回EINTR或EAGAIN / EWOULDBLOCK？

Which of the following system calls can return EINTR or EAGAIN/EWOULDBLOCK?

getsockname()
chdir()
bind()
fcntl()
listen()
setsid()
setsockopt()
socket()
stat()
unlink()
access()
accept()
open()
usleep()
dup2()
fork()
waitpid()
wait()
read()
write()

有些系统调用返回EINTR或EAGAIN出错（由手册页的API）。

Some of these system calls return EINTR or EAGAIN on error (by the API of man pages).

另外一些系统调用存在的API没有提及的EINTR / EAGAIN和返回然而这些。

Also some system calls exist that the API do not refer the EINTR/EAGAIN and however return these.

请帮忙。

推荐答案

我已经找到了答案。这个问题不应该被删除。作为一项规则只有系统调用这是慢返回EINTR。慢事情终端I / O和东西等待（选择，等待，睡眠，暂停等）。

I have found the answer. This question should not have been deleted. As a rule only syscalls which are "slow" return EINTR. Slow things are terminal I/O and things which wait (select, wait, sleep, pause, etc).

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