thread/Util: un-inline the functions
Reduce header clutter.
This commit is contained in:
Max Kellermann
parent
3fea624cca
commit
5598826eaf
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@ -444,7 +444,7 @@ libutil_a_SOURCES = \
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# Multi-threading library
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libthread_a_SOURCES = \
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src/thread/Util.hxx \
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src/thread/Util.cxx src/thread/Util.hxx \
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src/thread/Name.hxx \
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src/thread/Slack.hxx \
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src/thread/Mutex.hxx \
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@ -0,0 +1,101 @@
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/*
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* Copyright (C) 2014-2016 Max Kellermann <max@duempel.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "Util.hxx"
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#include "util/Error.hxx"
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#ifdef __linux__
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#include <sched.h>
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#include <sys/syscall.h>
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#include <unistd.h>
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#elif defined(WIN32)
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#include <windows.h>
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#endif
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#ifdef __linux__
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static int
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ioprio_set(int which, int who, int ioprio)
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{
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return syscall(__NR_ioprio_set, which, who, ioprio);
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}
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static void
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ioprio_set_idle()
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{
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static constexpr int _IOPRIO_WHO_PROCESS = 1;
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static constexpr int _IOPRIO_CLASS_IDLE = 3;
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static constexpr int _IOPRIO_CLASS_SHIFT = 13;
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static constexpr int _IOPRIO_IDLE =
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(_IOPRIO_CLASS_IDLE << _IOPRIO_CLASS_SHIFT) | 7;
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ioprio_set(_IOPRIO_WHO_PROCESS, 0, _IOPRIO_IDLE);
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}
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#endif
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void
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SetThreadIdlePriority()
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{
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#ifdef __linux__
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#ifdef SCHED_IDLE
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static struct sched_param sched_param;
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sched_setscheduler(0, SCHED_IDLE, &sched_param);
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#endif
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ioprio_set_idle();
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#elif defined(WIN32)
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SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_IDLE);
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#endif
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};
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bool
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SetThreadRealtime(Error& error)
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{
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#ifdef __linux__
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struct sched_param sched_param;
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sched_param.sched_priority = 50;
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int policy = SCHED_FIFO;
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#ifdef SCHED_RESET_ON_FORK
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policy |= SCHED_RESET_ON_FORK;
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#endif
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if(sched_setscheduler(0, policy, &sched_param)==0) {
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return true;
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} else {
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error.FormatErrno("sched_setscheduler failed");
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return false;
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}
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#else
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return true; // on non-linux systems, we pretend it worked
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#endif // __linux__
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};
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@ -1,5 +1,5 @@
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/*
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* Copyright (C) 2014 Max Kellermann <max@duempel.org>
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* Copyright (C) 2014-2016 Max Kellermann <max@duempel.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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@ -30,83 +30,20 @@
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#ifndef THREAD_UTIL_HXX
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#define THREAD_UTIL_HXX
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#include "util/Error.hxx"
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#ifdef __linux__
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#include <sched.h>
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#include <sys/syscall.h>
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#include <unistd.h>
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#elif defined(WIN32)
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#include <windows.h>
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#endif
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#ifdef __linux__
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static int
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ioprio_set(int which, int who, int ioprio)
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{
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return syscall(__NR_ioprio_set, which, who, ioprio);
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}
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static void
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ioprio_set_idle()
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{
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static constexpr int _IOPRIO_WHO_PROCESS = 1;
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static constexpr int _IOPRIO_CLASS_IDLE = 3;
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static constexpr int _IOPRIO_CLASS_SHIFT = 13;
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static constexpr int _IOPRIO_IDLE =
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(_IOPRIO_CLASS_IDLE << _IOPRIO_CLASS_SHIFT) | 7;
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ioprio_set(_IOPRIO_WHO_PROCESS, 0, _IOPRIO_IDLE);
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}
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#endif
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class Error;
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/**
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* Lower the current thread's priority to "idle" (very low).
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*/
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static inline void
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SetThreadIdlePriority()
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{
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#ifdef __linux__
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#ifdef SCHED_IDLE
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static struct sched_param sched_param;
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sched_setscheduler(0, SCHED_IDLE, &sched_param);
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#endif
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ioprio_set_idle();
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#elif defined(WIN32)
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SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_IDLE);
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#endif
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};
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void
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SetThreadIdlePriority();
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/**
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* Raise the current thread's priority to "real-time" (very high).
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* @param[out] error Receives error information on failure
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* @return true on success (always true on non-linux systems)
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*/
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static inline bool
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SetThreadRealtime(Error& error)
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{
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#ifdef __linux__
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struct sched_param sched_param;
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sched_param.sched_priority = 50;
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int policy = SCHED_FIFO;
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#ifdef SCHED_RESET_ON_FORK
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policy |= SCHED_RESET_ON_FORK;
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#endif
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if(sched_setscheduler(0, policy, &sched_param)==0) {
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return true;
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} else {
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error.FormatErrno("sched_setscheduler failed");
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return false;
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}
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#else
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return true; // on non-linux systems, we pretend it worked
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#endif // __linux__
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};
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bool
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SetThreadRealtime(Error &error);
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#endif
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