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Merge #17604: util: make ScheduleBatchPriority advisory only

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d2a3a5cadb util: make ScheduleBatchPriority advisory only (fanquake)

Pull request description:

ACKs for top commit:
  laanwj:
    ACK d2a3a5cadb

Tree-SHA512: 14e44360bc6b0c0bfd794cb8a744af7d64fb01aa5602fdb392d6c54799a721ef04426e8379b157dd40f2a33c0b6a5248b09d59c865c453ff1f6e3abbafff524e
This commit is contained in:
Wladimir J. van der Laan 2019-11-28 12:49:19 +01:00
commit 23cecd6cd5
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GPG key ID: 1E4AED62986CD25D
2 changed files with 3 additions and 9 deletions
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8
src/util/system.cpp
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@ -1126,17 +1126,13 @@ fs::path AbsPathForConfigVal(const fs::path& path, bool net_specific)
return fs::absolute(path, GetDataDir(net_specific));
}
int ScheduleBatchPriority()
void ScheduleBatchPriority()
{
#ifdef SCHED_BATCH
const static sched_param param{};
if (int ret = pthread_setschedparam(pthread_self(), SCHED_BATCH, &param)) {
if (pthread_setschedparam(pthread_self(), SCHED_BATCH, &param) != 0) {
LogPrintf("Failed to pthread_setschedparam: %s\n", strerror(errno));
return ret;
}
return 0;
#else
return 1;
#endif
}

4
src/util/system.h
View file

@ -367,10 +367,8 @@ std::string CopyrightHolders(const std::string& strPrefix);
* On platforms that support it, tell the kernel the calling thread is
* CPU-intensive and non-interactive. See SCHED_BATCH in sched(7) for details.
*
* @return The return value of sched_setschedule(), or 1 on systems without
* sched_setschedule().
*/
int ScheduleBatchPriority();
void ScheduleBatchPriority();
namespace util {