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thread/Util: un-inline the functions

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Reduce header clutter.
This commit is contained in:
Max Kellermann
2016-09-04 15:11:56 +02:00
parent 3fea624cca
commit 5598826eaf
3 changed files with 108 additions and 70 deletions
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75
src/thread/Util.hxx
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@@ -1,5 +1,5 @@
/*
* Copyright (C) 2014 Max Kellermann <max@duempel.org>
* Copyright (C) 2014-2016 Max Kellermann <max@duempel.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -30,83 +30,20 @@
#ifndef THREAD_UTIL_HXX
#define THREAD_UTIL_HXX
#include "util/Error.hxx"
#ifdef __linux__
#include <sched.h>
#include <sys/syscall.h>
#include <unistd.h>
#elif defined(WIN32)
#include <windows.h>
#endif
#ifdef __linux__
static int
ioprio_set(int which, int who, int ioprio)
{
return syscall(__NR_ioprio_set, which, who, ioprio);
}
static void
ioprio_set_idle()
{
static constexpr int _IOPRIO_WHO_PROCESS = 1;
static constexpr int _IOPRIO_CLASS_IDLE = 3;
static constexpr int _IOPRIO_CLASS_SHIFT = 13;
static constexpr int _IOPRIO_IDLE =
(_IOPRIO_CLASS_IDLE << _IOPRIO_CLASS_SHIFT) | 7;
ioprio_set(_IOPRIO_WHO_PROCESS, 0, _IOPRIO_IDLE);
}
#endif
class Error;
/**
* Lower the current thread's priority to "idle" (very low).
*/
static inline void
SetThreadIdlePriority()
{
#ifdef __linux__
#ifdef SCHED_IDLE
static struct sched_param sched_param;
sched_setscheduler(0, SCHED_IDLE, &sched_param);
#endif
ioprio_set_idle();
#elif defined(WIN32)
SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_IDLE);
#endif
};
void
SetThreadIdlePriority();
/**
* Raise the current thread's priority to "real-time" (very high).
* @param[out] error Receives error information on failure
* @return true on success (always true on non-linux systems)
*/
static inline bool
SetThreadRealtime(Error& error)
{
#ifdef __linux__
struct sched_param sched_param;
sched_param.sched_priority = 50;
int policy = SCHED_FIFO;
#ifdef SCHED_RESET_ON_FORK
policy |= SCHED_RESET_ON_FORK;
#endif
if(sched_setscheduler(0, policy, &sched_param)==0) {
return true;
} else {
error.FormatErrno("sched_setscheduler failed");
return false;
}
#else
return true; // on non-linux systems, we pretend it worked
#endif // __linux__
};
bool
SetThreadRealtime(Error &error);
#endif