From bb3840e5b8d76924dc641e91fa662e876880d2f6 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Thu, 15 Aug 2013 20:48:05 +0200
Subject: [SERVER] Reduce priority (nice) of integrity check thread

---
 src/server/integrity.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src')

diff --git a/src/server/integrity.c b/src/server/integrity.c
index 82d493e..beec81d 100644
--- a/src/server/integrity.c
+++ b/src/server/integrity.c
@@ -11,8 +11,10 @@
 #include <fcntl.h>
 #include <stdio.h>
 #include <unistd.h>
+#include <sys/syscall.h>
 #include <string.h>
 #include <assert.h>
+#include <sys/resource.h>
 
 #define CHECK_QUEUE_SIZE 100
 
@@ -101,6 +103,11 @@ static void* integrity_main(void *data)
 	uint8_t *buffer = NULL;
 	size_t bufferSize = 0;
 	setThreadName( "image-check" );
+#if defined(linux) || defined(__linux)
+	// Setting nice of this thread - this is not POSIX conforming, so check if other platforms support this
+	pid_t tid = syscall( SYS_gettid );
+	setpriority( PRIO_PROCESS, tid, 10 );
+#endif
 	pthread_mutex_lock( &integrityQueueLock );
 	while ( !_shutdown ) {
 		for (i = queueLen - 1; i >= 0; --i) {
-- 
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