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threadpool: increase UV_THREADPOOL_SIZE limit

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Increase the UV_THREADPOOL_SIZE limit to 1024 and update the docs.

Fixes: https://github.com/libuv/libuv/pull/2296
PR-URL: https://github.com/libuv/libuv/pull/2314
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Saúl Ibarra Corretgé <saghul@gmail.com>
This commit is contained in:
Vlad A 2019-06-07 10:59:44 +02:00 committed by Ben Noordhuis
parent d89bd156cf
commit 9a10058e72
2 changed files with 4 additions and 2 deletions
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4
docs/src/threadpool.rst
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@ -10,7 +10,9 @@ operations, as well as getaddrinfo and getnameinfo requests.
Its default size is 4, but it can be changed at startup time by setting the
``UV_THREADPOOL_SIZE`` environment variable to any value (the absolute maximum
is 128).
is 1024).
.. versionchanged:: 1.29.2 the maximum UV_THREADPOOL_SIZE allowed was increased from 128 to 1024.
The threadpool is global and shared across all event loops. When a particular
function makes use of the threadpool (i.e. when using :c:func:`uv_queue_work`)

2
src/threadpool.c
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@ -27,7 +27,7 @@
#include <stdlib.h>
#define MAX_THREADPOOL_SIZE 128
#define MAX_THREADPOOL_SIZE 1024
static uv_once_t once = UV_ONCE_INIT;
static uv_cond_t cond;