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27 commits

Author SHA1 Message Date
Kim Alvefur
8a2e65d5b7 util.poll: Rename things to clarify poll(2) limits 
With epoll(7), MAX_EVENTS controls how many events can be retrieved in one
epoll_wait call, while with poll(2) this MAX_WATCHED controls how many
sockets or other FDs can be watched at once.
 2023-11-27 08:19:52 +01:00
Kim Alvefur
da38e2af42 util.poll: Quadruple number of events retrieved at once from epoll 
Better performance under load maybe?

See b890ceb1c24f for previous increase
 2023-11-21 20:45:56 +01:00
Kim Alvefur
c8e2129a82 util.poll: Return early if given zero timeout and no pending events 
Should have been part of f33887f925e1 to ensure it won't skip processing
timers at all when very busy.
 2023-11-21 17:43:46 +01:00
Kim Alvefur
8136aa749a util: Add compat for prosody module name change to C sources 2023-03-17 18:03:07 +01:00
Kim Alvefur
bf35a39a15 util.poll: Include unistd.h only for epoll 
This defines close(), which is only used with epoll, hence we don't need
to include it when building in poll or select mode.
 2023-02-10 00:37:05 +01:00
Kim Alvefur
dff4beae02 util-src: Remove Lua 5.1 compat macros 
Part of #1600
 2022-07-01 21:21:21 +02:00
Kim Alvefur
af95bb77e6 util.poll: Add support for the poll() API 
Might be better than select(), more portable than epoll.
 2022-02-23 20:31:03 +01:00
Kim Alvefur
04aa101da3 util.poll: Expose API (epoll or select) used 
Could he handy to know for debugging or decisions
 2022-02-27 14:36:43 +01:00
Kim Alvefur
22d734e305 util.poll: Restructure to make adding additional system APIs easier 2022-02-23 20:30:22 +01:00
Kim Alvefur
625ec0a93f util-src: Use the luaL_pushfail API added in Lua 5.4 to highlight all failure conditions 
Actually just an alias of pushnil, but it does make it more obvious
where the failure conditions are, which is good for readability.
 2020-06-07 02:25:56 +02:00
Kim Alvefur
d8ab361f15 util.poll: Add missing return statements in fallback mode 
These allowed modifying or deleting select() state for unregistered FDs.
During normal usage this should never happen. Modifying one that isn't
set might cause weirdness but deleting an already deleted FD isn't a
problem.
 2019-07-28 16:17:23 +02:00
Kim Alvefur
b8f3a149da util.poll: Minimize scope of methods 
File scope is enough
 2019-04-13 23:55:34 +02:00
Kim Alvefur
2bb3772374 net.server_epoll: Special handling of signal interrupts 2018-10-12 03:22:09 +02:00
Kim Alvefur
afeb1f6f02 net.server_epoll: Ignore ENOENT when deregitering socket 
It should not really happen
 2018-10-12 03:21:11 +02:00
Kim Alvefur
bbf669b2c5 net.server_epoll: Graceful handling of registering already added socket 2018-10-12 03:20:09 +02:00
Kim Alvefur
f26390b484 util.poll: Fix inverted logic 2018-10-11 18:56:11 +02:00
Kim Alvefur
9547e0e66d util.poll: Handle failed epoll FD creation 2018-10-11 18:52:12 +02:00
Kim Alvefur
22e0c16d4c util.poll: Early return from __gc in case of no valid epoll FD 
This could happen if the epoll FD has already been closed or
the epoll_create call failed
 2018-10-11 18:50:04 +02:00
Kim Alvefur
28522988cc util.poll: Increase max epoll events per call 
This makes the struct roughly the same size in both epoll and select
mode (64bit).

There doesn’t seem to be much guidance on an appropriate size, it does
not seem to matter too much since if there are more events they will
simply show up in the next epoll_wait call. The number of exactly
concurrent events should be fairly low most of the time anyways.
 2018-10-08 15:33:15 +02:00
Kim Alvefur
4a73f5daef util.poll: Zero FD sets watched for errors on creation 2018-10-07 20:58:51 +02:00
Kim Alvefur
ceadb9c57c net.poll: Guard against negative or too large FDs 2018-10-07 18:44:46 +02:00
Kim Alvefur
31c8b1aca3 util.poll: Fix missing return for adding duplicate FD 2018-10-07 18:41:44 +02:00
Kim Alvefur
8126707125 util.poll: Tweak metatable name field 2018-10-06 18:32:57 +02:00
Kim Alvefur
d3c236c693 util.poll: Fix monitoring of socket exceptions in select mode 
Since state->err is a set of all watched FDs, this mistake caused all
sockets to appear to have errors.
 2018-10-06 17:19:50 +02:00
Kim Alvefur
110ce660d5 util.poll: Lua 5.1 compat 2018-09-15 01:17:53 +02:00
Kim Alvefur
1ad376770f util.poll: Remove 'inline' from function declaration 
Why does this fix building?
 2018-09-15 01:05:59 +02:00
Kim Alvefur
fa4507823f util.poll: Import poll library with epoll and select support 2018-05-16 23:56:34 +02:00