proxmox-mirrors/mirror_frr
1
0
Fork 0
mirror of https://git.proxmox.com/git/mirror_frr synced 2025-08-14 00:56:19 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

lib: allow infinite sleep in poll()

Browse Source 
If fd_poll() is called with no file descriptors, an incorrect check in
the function prelude causes it to return instantly; for a thread that
wishes to poll but has no file descriptors, this results in busy
waiting. Desired behavior is to block.

Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
This commit is contained in:
Quentin Young 2017-06-05 20:18:48 +00:00
parent 8899960086
commit 82fc5591f4
1 changed files with 0 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
lib/thread.c
View File

@ -647,9 +647,6 @@ static int
fd_poll (struct thread_master *m, struct pollfd *pfds, nfds_t pfdsize,
nfds_t count, struct timeval *timer_wait)
{
if (count == 0)
return 0;
/* If timer_wait is null here, that means poll() should block indefinitely,
* unless the thread_master has overriden it by setting ->selectpoll_timeout.
* If the value is positive, it specifies the maximum number of milliseconds