mirror of
https://github.com/zeromq/libzmq.git
synced 2024-12-26 06:41:03 +08:00
Problem: API poller cannot be set independently from I/O thread poller, poll I/O thread poller broken on Windows
Solution: change platform definitions to separate API poller from I/O thread poller, disallow configuring poll I/O thread poller on Windows
This commit is contained in:
Simon Giesecke
parent
ee85957dc4
commit
d326434b37
@ -94,7 +94,10 @@ if (WITH_MILITANT)
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add_definitions(-DZMQ_ACT_MILITANT)
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endif()
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set (POLLER "" CACHE STRING "Choose polling system. valid values are
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set (API_POLLER "" CACHE STRING "Choose polling system for zmq_poll(er)_*. valid values are
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poll or select [default=poll unless POLLER=select]")
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set (POLLER "" CACHE STRING "Choose polling system for I/O threads. valid values are
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kqueue, epoll, devpoll, pollset, poll or select [default=autodetect]")
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include (CheckFunctionExists)
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@ -117,7 +120,7 @@ if (POLLER STREQUAL "")
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set (POLLER "epoll")
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check_function_exists (epoll_create1 HAVE_EPOLL_CLOEXEC)
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if (HAVE_EPOLL_CLOEXEC)
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set (ZMQ_USE_EPOLL_CLOEXEC 1)
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set (ZMQ_IOTHREAD_POLLER_USE_EPOLL_CLOEXEC 1)
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endif ()
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endif ()
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endif ()
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@ -172,13 +175,25 @@ if (POLLER STREQUAL "kqueue"
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OR POLLER STREQUAL "pollset"
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OR POLLER STREQUAL "poll"
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OR POLLER STREQUAL "select")
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message (STATUS "Detected ${POLLER} polling method")
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message (STATUS "Using polling method in I/O threads: ${POLLER}")
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string (TOUPPER ${POLLER} UPPER_POLLER)
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set (ZMQ_USE_${UPPER_POLLER} 1)
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set (ZMQ_IOTHREAD_POLLER_USE_${UPPER_POLLER} 1)
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else ()
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message (FATAL_ERROR "Invalid polling method")
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endif ()
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if (API_POLLER STREQUAL "")
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if (POLLER STREQUAL "select")
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set (API_POLLER "select")
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else()
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set (API_POLLER "poll")
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endif()
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endif()
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message (STATUS "Using polling method in zmq_poll(er)_* API: ${API_POLLER}")
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string (TOUPPER ${API_POLLER} UPPER_API_POLLER)
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set (ZMQ_POLL_BASED_ON_${UPPER_API_POLLER} 1)
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include (TestZMQVersion)
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if (NOT CMAKE_CROSSCOMPILING)
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include (ZMQSourceRunChecks)
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62
acinclude.m4
62
acinclude.m4
@ -1052,7 +1052,12 @@ AC_DEFUN([LIBZMQ_CHECK_POLLER], [{
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# Allow user to override poller autodetection
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AC_ARG_WITH([poller],
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[AS_HELP_STRING([--with-poller],
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[choose polling system manually. Valid values are 'kqueue', 'epoll', 'devpoll', 'pollset', 'poll', 'select', or 'auto'. [default=auto]])])
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[choose I/O thread polling system manually. Valid values are 'kqueue', 'epoll', 'devpoll', 'pollset', 'poll', 'select', or 'auto'. [default=auto]])])
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# Allow user to override poller autodetection
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AC_ARG_WITH([api_poller],
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[AS_HELP_STRING([--with-api-poller],
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[choose zmq_poll(er)_* API polling system manually. Valid values are 'poll', 'select', or 'auto'. [default=auto]])])
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if test "x$with_poller" == "x"; then
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pollers=auto
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@ -1065,14 +1070,14 @@ AC_DEFUN([LIBZMQ_CHECK_POLLER], [{
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fi
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# try to find suitable polling system. the order of testing is:
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AC_MSG_NOTICE([Choosing polling system from '$pollers'...])
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AC_MSG_NOTICE([Choosing I/O thread polling system from '$pollers'...])
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poller_found=0
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for poller in $pollers; do
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case "$poller" in
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kqueue)
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LIBZMQ_CHECK_POLLER_KQUEUE([
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AC_MSG_NOTICE([Using 'kqueue' polling system])
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AC_DEFINE(ZMQ_USE_KQUEUE, 1, [Use 'kqueue' polling system])
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AC_MSG_NOTICE([Using 'kqueue' I/O thread polling system])
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AC_DEFINE(ZMQ_IOTHREAD_POLLER_USE_KQUEUE, 1, [Use 'kqueue' I/O thread polling system])
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poller_found=1
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])
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;;
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@ -1084,17 +1089,17 @@ AC_DEFUN([LIBZMQ_CHECK_POLLER], [{
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# that ZMQ has from Linux systems. Unless you undertake
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# to fix the integration, do not disable this exception
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# and use select() or poll() on Solarish OSes for now.
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AC_MSG_NOTICE([NOT using 'epoll' polling system on '$host_os']) ;;
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AC_MSG_NOTICE([NOT using 'epoll' I/O thread polling system on '$host_os']) ;;
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*)
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LIBZMQ_CHECK_POLLER_EPOLL_CLOEXEC([
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AC_MSG_NOTICE([Using 'epoll' polling system with CLOEXEC])
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AC_DEFINE(ZMQ_USE_EPOLL, 1, [Use 'epoll' polling system])
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AC_DEFINE(ZMQ_USE_EPOLL_CLOEXEC, 1, [Use 'epoll' polling system with CLOEXEC])
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AC_MSG_NOTICE([Using 'epoll' I/O thread polling system with CLOEXEC])
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AC_DEFINE(ZMQ_IOTHREAD_POLLER_USE_EPOLL, 1, [Use 'epoll' I/O thread polling system])
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AC_DEFINE(ZMQ_IOTHREAD_POLLER_USE_EPOLL_CLOEXEC, 1, [Use 'epoll' I/O thread polling system with CLOEXEC])
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poller_found=1
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],[
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LIBZMQ_CHECK_POLLER_EPOLL([
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AC_MSG_NOTICE([Using 'epoll' polling system with CLOEXEC])
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AC_DEFINE(ZMQ_USE_EPOLL, 1, [Use 'epoll' polling system])
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AC_MSG_NOTICE([Using 'epoll' I/O thread polling system with CLOEXEC])
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AC_DEFINE(ZMQ_IOTHREAD_POLLER_USE_EPOLL, 1, [Use 'epoll' I/O thread polling system])
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poller_found=1
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])
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])
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@ -1103,29 +1108,29 @@ AC_DEFUN([LIBZMQ_CHECK_POLLER], [{
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;;
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devpoll)
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LIBZMQ_CHECK_POLLER_DEVPOLL([
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AC_MSG_NOTICE([Using 'devpoll' polling system])
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AC_DEFINE(ZMQ_USE_DEVPOLL, 1, [Use 'devpoll' polling system])
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AC_MSG_NOTICE([Using 'devpoll' I/O thread polling system])
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AC_DEFINE(ZMQ_IOTHREAD_POLLER_USE_DEVPOLL, 1, [Use 'devpoll' I/O thread polling system])
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poller_found=1
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])
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;;
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pollset)
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LIBZMQ_CHECK_POLLER_POLLSET([
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AC_MSG_NOTICE([Using 'pollset' polling system])
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AC_DEFINE(ZMQ_USE_POLLSET, 1, [Use 'pollset' polling system])
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AC_MSG_NOTICE([Using 'pollset' I/O thread polling system])
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AC_DEFINE(ZMQ_IOTHREAD_POLLER_USE_POLLSET, 1, [Use 'pollset' I/O thread polling system])
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poller_found=1
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])
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;;
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poll)
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LIBZMQ_CHECK_POLLER_POLL([
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AC_MSG_NOTICE([Using 'poll' polling system])
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AC_DEFINE(ZMQ_USE_POLL, 1, [Use 'poll' polling system])
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AC_MSG_NOTICE([Using 'poll' I/O thread polling system])
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AC_DEFINE(ZMQ_IOTHREAD_POLLER_USE_POLL, 1, [Use 'poll' I/O thread polling system])
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poller_found=1
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])
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;;
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select)
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LIBZMQ_CHECK_POLLER_SELECT([
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AC_MSG_NOTICE([Using 'select' polling system])
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AC_DEFINE(ZMQ_USE_SELECT, 1, [Use 'select' polling system])
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AC_MSG_NOTICE([Using 'select' I/O thread polling system])
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AC_DEFINE(ZMQ_IOTHREAD_POLLER_USE_SELECT, 1, [Use 'select' I/O thread polling system])
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poller_found=1
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])
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;;
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@ -1135,4 +1140,25 @@ AC_DEFUN([LIBZMQ_CHECK_POLLER], [{
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if test $poller_found -eq 0; then
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AC_MSG_ERROR([None of '$pollers' are valid pollers on this platform])
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fi
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if test "x$with_api_poller" == "x"; then
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with_api_poller=auto
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fi
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if test "x$with_api_poller" == "xauto"; then
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if test $poller == "select"; then
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api_poller=select
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else
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api_poller=poll
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fi
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else
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api_poller=$with_api_poller
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fi
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if test "$api_poller" == "select"; then
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AC_MSG_NOTICE([Using 'select' zmq_poll(er)_* API polling system])
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AC_DEFINE(ZMQ_POLL_BASED_ON_SELECT, 1, [Use 'select' zmq_poll(er)_* API polling system])
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elif test "$api_poller" == "poll"; then
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AC_MSG_NOTICE([Using 'poll' zmq_poll(er)_* API polling system])
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AC_DEFINE(ZMQ_POLL_BASED_ON_POLL, 1, [Use 'poll' zmq_poll(er)_* API polling system])
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else
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AC_MSG_ERROR([Invalid API poller '$api_poller' specified])
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fi
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}])
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@ -1,12 +1,15 @@
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#ifndef __ZMQ_PLATFORM_HPP_INCLUDED__
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#define __ZMQ_PLATFORM_HPP_INCLUDED__
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#cmakedefine ZMQ_USE_KQUEUE
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#cmakedefine ZMQ_USE_EPOLL
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#cmakedefine ZMQ_USE_EPOLL_CLOEXEC
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#cmakedefine ZMQ_USE_DEVPOLL
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#cmakedefine ZMQ_USE_POLL
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#cmakedefine ZMQ_USE_SELECT
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#cmakedefine ZMQ_IOTHREAD_POLLER_USE_KQUEUE
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#cmakedefine ZMQ_IOTHREAD_POLLER_USE_EPOLL
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#cmakedefine ZMQ_IOTHREAD_POLLER_USE_EPOLL_CLOEXEC
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#cmakedefine ZMQ_IOTHREAD_POLLER_USE_DEVPOLL
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#cmakedefine ZMQ_IOTHREAD_POLLER_USE_POLL
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#cmakedefine ZMQ_IOTHREAD_POLLER_USE_SELECT
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#cmakedefine ZMQ_POLL_BASED_ON_SELECT
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#cmakedefine ZMQ_POLL_BASED_ON_POLL
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#cmakedefine ZMQ_FORCE_MUTEXES
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@ -29,7 +29,7 @@
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#include "precompiled.hpp"
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#include "devpoll.hpp"
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#if defined ZMQ_USE_DEVPOLL
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#if defined ZMQ_IOTHREAD_POLLER_USE_DEVPOLL
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#include <sys/devpoll.h>
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#include <sys/time.h>
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@ -32,7 +32,7 @@
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// poller.hpp decides which polling mechanism to use.
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#include "poller.hpp"
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#if defined ZMQ_USE_DEVPOLL
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#if defined ZMQ_IOTHREAD_POLLER_USE_DEVPOLL
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#include <vector>
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@ -29,7 +29,7 @@
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#include "precompiled.hpp"
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#include "epoll.hpp"
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#if defined ZMQ_USE_EPOLL
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#if defined ZMQ_IOTHREAD_POLLER_USE_EPOLL
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#include <sys/epoll.h>
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#include <stdlib.h>
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@ -32,7 +32,7 @@
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// poller.hpp decides which polling mechanism to use.
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#include "poller.hpp"
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#if defined ZMQ_USE_EPOLL
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#if defined ZMQ_IOTHREAD_POLLER_USE_EPOLL
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#include <vector>
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#include <sys/epoll.h>
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@ -29,7 +29,7 @@
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#include "precompiled.hpp"
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#include "kqueue.hpp"
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#if defined ZMQ_USE_KQUEUE
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#if defined ZMQ_IOTHREAD_POLLER_USE_KQUEUE
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#include <sys/time.h>
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#include <sys/types.h>
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@ -32,7 +32,7 @@
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// poller.hpp decides which polling mechanism to use.
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#include "poller.hpp"
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#if defined ZMQ_USE_KQUEUE
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#if defined ZMQ_IOTHREAD_POLLER_USE_KQUEUE
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#include <vector>
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#include <unistd.h>
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12
src/poll.cpp
12
src/poll.cpp
@ -29,13 +29,11 @@
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#include "precompiled.hpp"
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#include "poll.hpp"
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#if defined ZMQ_USE_POLL
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#if defined ZMQ_IOTHREAD_POLLER_USE_POLL
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#include <sys/types.h>
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#if !defined ZMQ_HAVE_WINDOWS
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#include <sys/time.h>
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#include <poll.h>
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#endif
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#include <algorithm>
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#include "poll.hpp"
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@ -43,10 +41,6 @@
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#include "config.hpp"
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#include "i_poll_events.hpp"
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#ifdef ZMQ_HAVE_WINDOWS
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typedef unsigned long nfds_t;
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#endif
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zmq::poll_t::poll_t (const zmq::thread_ctx_t &ctx_) :
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worker_poller_base_t (ctx_),
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retired (false)
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@ -161,14 +155,10 @@ void zmq::poll_t::loop ()
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// Wait for events.
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int rc = poll (&pollset[0], static_cast<nfds_t> (pollset.size ()),
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timeout ? timeout : -1);
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#ifdef ZMQ_HAVE_WINDOWS
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wsa_assert (rc != SOCKET_ERROR);
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#else
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if (rc == -1) {
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errno_assert (errno == EINTR);
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continue;
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}
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#endif
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// If there are no events (i.e. it's a timeout) there's no point
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// in checking the pollset.
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10
src/poll.hpp
10
src/poll.hpp
@ -32,11 +32,15 @@
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// poller.hpp decides which polling mechanism to use.
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#include "poller.hpp"
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#if defined ZMQ_USE_POLL
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#if defined ZMQ_IOTHREAD_POLLER_USE_POLL
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#if !defined ZMQ_HAVE_WINDOWS
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#include <poll.h>
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#if defined ZMQ_HAVE_WINDOWS
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#error \
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"poll is broken on Windows for the purpose of the I/O thread poller, use select instead; "\
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"see https://github.com/zeromq/libzmq/issues/3107"
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#endif
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#include <poll.h>
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#include <stddef.h>
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#include <vector>
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@ -30,35 +30,39 @@
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#ifndef __ZMQ_POLLER_HPP_INCLUDED__
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#define __ZMQ_POLLER_HPP_INCLUDED__
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#if defined ZMQ_USE_KQUEUE + defined ZMQ_USE_EPOLL + defined ZMQ_USE_DEVPOLL \
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+ defined ZMQ_USE_POLLSET + defined ZMQ_USE_POLL + defined ZMQ_USE_SELECT \
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#if defined ZMQ_IOTHREAD_POLLER_USE_KQUEUE \
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+ defined ZMQ_IOTHREAD_POLLER_USE_EPOLL \
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+ defined ZMQ_IOTHREAD_POLLER_USE_DEVPOLL \
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+ defined ZMQ_IOTHREAD_POLLER_USE_POLLSET \
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+ defined ZMQ_IOTHREAD_POLLER_POLL \
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+ defined ZMQ_IOTHREAD_POLLER_USE_SELECT \
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> 1
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#error More than one of the ZMQ_USE_* macros defined
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#error More than one of the ZMQ_IOTHREAD_POLLER_USE_* macros defined
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#endif
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#if defined ZMQ_USE_KQUEUE
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#if defined ZMQ_IOTHREAD_POLLER_USE_KQUEUE
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#include "kqueue.hpp"
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#elif defined ZMQ_USE_EPOLL
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#elif defined ZMQ_IOTHREAD_POLLER_USE_EPOLL
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#include "epoll.hpp"
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#elif defined ZMQ_USE_DEVPOLL
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#elif defined ZMQ_IOTHREAD_POLLER_USE_DEVPOLL
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#include "devpoll.hpp"
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#elif defined ZMQ_USE_POLLSET
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#elif defined ZMQ_IOTHREAD_POLLER_USE_POLLSET
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#include "pollset.hpp"
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#elif defined ZMQ_USE_POLL
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#elif defined ZMQ_IOTHREAD_POLLER_USE_POLL
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#include "poll.hpp"
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#elif defined ZMQ_USE_SELECT
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#elif defined ZMQ_IOTHREAD_POLLER_USE_SELECT
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#include "select.hpp"
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#elif defined ZMQ_HAVE_GNU
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#define ZMQ_USE_POLL
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#define ZMQ_IOTHREAD_POLLER_USE_POLL
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#include "poll.hpp"
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#else
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#error None of the ZMQ_USE_* macros defined
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#error None of the ZMQ_IOTHREAD_POLLER_USE_* macros defined
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#endif
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#if defined ZMQ_USE_SELECT
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#define ZMQ_POLL_BASED_ON_SELECT
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#else
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#define ZMQ_POLL_BASED_ON_POLL
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#if (defined ZMQ_POLL_BASED_ON_SELECT + defined ZMQ_POLL_BASED_ON_POLL) > 1
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#error More than one of the ZMQ_POLL_BASED_ON_* macros defined
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#elif (defined ZMQ_POLL_BASED_ON_SELECT + defined ZMQ_POLL_BASED_ON_POLL) == 0
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#error None of the ZMQ_POLL_BASED_ON_* macros defined
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#endif
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#endif
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@ -29,7 +29,7 @@
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#include "precompiled.hpp"
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#include "pollset.hpp"
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#if defined ZMQ_USE_POLLSET
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#if defined ZMQ_IOTHREAD_POLLER_USE_POLLSET
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#include <stdlib.h>
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#include <string.h>
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@ -32,7 +32,7 @@
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// poller.hpp decides which polling mechanism to use.
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#include "poller.hpp"
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#if defined ZMQ_USE_POLLSET
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#if defined ZMQ_IOTHREAD_POLLER_USE_POLLSET
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#include <sys/poll.h>
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#include <sys/pollset.h>
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@ -29,7 +29,7 @@
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#include "precompiled.hpp"
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#include "select.hpp"
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#if defined ZMQ_USE_SELECT
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#if defined ZMQ_IOTHREAD_POLLER_USE_SELECT
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#if defined ZMQ_HAVE_WINDOWS
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#elif defined ZMQ_HAVE_HPUX
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@ -32,7 +32,7 @@
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// poller.hpp decides which polling mechanism to use.
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#include "poller.hpp"
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#if defined ZMQ_USE_SELECT
|
||||
#if defined ZMQ_IOTHREAD_POLLER_USE_SELECT
|
||||
|
||||
#include <stddef.h>
|
||||
#include <vector>
|
||||
|
||||
@ -83,7 +83,7 @@ struct tcp_keepalive
|
||||
#include <process.h>
|
||||
#endif
|
||||
|
||||
#if defined ZMQ_USE_POLL
|
||||
#if defined ZMQ_IOTHREAD_POLLER_USE_POLL || defined ZMQ_POLL_BASED_ON_POLL
|
||||
static inline int poll (struct pollfd *pfd, unsigned long nfds, int timeout)
|
||||
{
|
||||
return WSAPoll (pfd, nfds, timeout);
|
||||
|
||||
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Reference in New Issue
Block a user