From 339aa3ccd4a50de5e259078635ddbcd552fff22f Mon Sep 17 00:00:00 2001
From: Josh Blum <josh@joshknows.com>
Date: Wed, 16 Jun 2010 19:18:06 -0700
Subject: uhd: working windows implementation of thread priority setting, added
called to example apps
---
host/lib/thread_priority.cpp | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
(limited to 'host/lib')
diff --git a/host/lib/thread_priority.cpp b/host/lib/thread_priority.cpp
index ff3c1528b..afaa5e36e 100644
--- a/host/lib/thread_priority.cpp
+++ b/host/lib/thread_priority.cpp
@@ -76,9 +76,15 @@ static void check_priority_range(float priority){
if (SetPriorityClass(GetCurrentProcess(), pri_class) == 0)
throw std::runtime_error("error in SetPriorityClass");
+ //scale the priority value to the constants
+ int priorities[] = {
+ THREAD_PRIORITY_IDLE, THREAD_PRIORITY_LOWEST, THREAD_PRIORITY_BELOW_NORMAL, THREAD_PRIORITY_NORMAL,
+ THREAD_PRIORITY_ABOVE_NORMAL, THREAD_PRIORITY_HIGHEST, THREAD_PRIORITY_TIME_CRITICAL
+ };
+ size_t pri_index = size_t((priority+1.0)*6/2.0); // -1 -> 0, +1 -> 6
+
//set the thread priority on the thread
- int pri_int = int(pri*(THREAD_PRIORITY_TIME_CRITICAL - THREAD_PRIORITY_IDLE)) + THREAD_PRIORITY_IDLE;
- if (SetThreadPriority(GetCurrentThread(), pri_int) == 0)
+ if (SetThreadPriority(GetCurrentThread(), priorities[pri_index]) == 0)
throw std::runtime_error("error in SetThreadPriority");
}
--
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