LadybirdBrowser/ladybird
1
1
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2024-09-20 01:37:39 +03:00
Code Issues Packages Projects Releases Wiki Activity

Kernel: Fix poll() with timeout

Browse Source
This commit is contained in:
Robin Burchell 2019-05-18 03:59:48 +02:00 committed by Andreas Kling
parent b33cc7f772
commit 123283d840
Notes: sideshowbarker 2024-07-19 14:02:30 +09:00 
Author: https://github.com/rburchell
Commit: https://github.com/SerenityOS/serenity/commit/123283d840d
Pull-request: https://github.com/SerenityOS/serenity/pull/57
Reviewed-by: https://github.com/awesomekling ✅
1 changed files with 20 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
Kernel/Process.cpp
View File

@ -1854,9 +1854,27 @@ int Process::sys$poll(pollfd* fds, int nfds, int timeout)
current->m_select_write_fds.append(fds[i].fd);
}
// FIXME: this should set m_select_timeout, right?
if (timeout < 0)
if (timeout >= 0) {
// poll is in ms, we want s/us.
struct timeval tvtimeout;
tvtimeout.tv_sec = 0;
while (timeout >= 1000) {
tvtimeout.tv_sec += 1;
timeout -= 1000;
}
tvtimeout.tv_usec = timeout * 1000;
struct timeval now;
kgettimeofday(now);
AK::timeval_add(&now, &tvtimeout, &current->m_select_timeout);
current->m_select_has_timeout = true;
} else {
current->m_select_has_timeout = false;
}
if (current->m_select_has_timeout || timeout < 0) {
current->block(Thread::State::BlockedSelect);
}
int fds_with_revents = 0;