netdev - write() udp socket

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Sat, 23 Jul 2011 17:29:33 +0800
From:	"ZHOU Xiaobo" <xb.zhou@...com>
To:	"netdev" <netdev@...r.kernel.org>
Subject: write() udp socket

question No1:
When I call 
ssize_t write(int fd, const void *buf, size_t count);

on a nonblocking UDP socket, is the return value  always equal to 'count'?

question No2:
Can I write() a UDP socket in multiple threads without locking?

thanks

------------------
Sincerely yours
                         ZHOU Xiaobo