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sched_getcpu() and pthread_setaffinity_np() are non-portable

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Reported by Yuri Victorovich, on FreeBSD.

* configure.ac: Test for them.
* spot/mc/mc_instanciator.hh: Only use them if they are present.
* NEWS: Mention the fix.
This commit is contained in:
Alexandre Duret-Lutz 2021-11-22 10:23:14 +01:00
parent 5f49209caf
commit 2a408bbed1
3 changed files with 14 additions and 5 deletions
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9
spot/mc/mc_instanciator.hh
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@ -19,6 +19,8 @@
#pragma once
#include <spot/misc/common.hh>
#include <spot/misc/_config.h>
#include <string>
#include <thread>
#include <vector>
@ -31,7 +33,6 @@
#include <spot/mc/cndfs.hh>
#include <spot/mc/bloemen.hh>
#include <spot/mc/bloemen_ec.hh>
#include <spot/misc/common.hh>
#include <spot/misc/timer.hh>
namespace spot
@ -115,7 +116,7 @@ namespace spot
{
threads[i] = std::thread ([&swarmed, &iomutex, i, &barrier]
{
#if defined(unix) || defined(__unix__) || defined(__unix)
#ifdef SPOT_HAVE_SCHED_GETCPU
{
std::lock_guard<std::mutex> iolock(iomutex);
std::cout << "Thread #" << i
@ -129,8 +130,8 @@ namespace spot
swarmed[i]->run();
});
#if defined(unix) || defined(__unix__) || defined(__unix)
// Pins threads to a dedicated core.
#ifdef SPOT_PTHREAD_SETAFFINITY_NP
// Pin threads to a dedicated core.
cpu_set_t cpuset;
CPU_ZERO(&cpuset);
CPU_SET(i, &cpuset);