X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=os%2Fwindows%2Fposix.c;h=bbd93e979522e098d9a438e0ccfdc10da0b89ec0;hp=3388127821acadc5d4053689f1246efd3be96af3;hb=24a2bb13ec8e449fd5e30967420894f88cdad11a;hpb=d23ae82785f99927331e358d2c0deac5e53f2df1

diff --git a/os/windows/posix.c b/os/windows/posix.c
index 33881278..bbd93e97 100755
--- a/os/windows/posix.c
+++ b/os/windows/posix.c
@@ -647,10 +647,19 @@ int setgid(gid_t gid)
 
 int nice(int incr)
 {
-	if (incr != 0) {
-		errno = EINVAL;
-		return -1;
-	}
+	DWORD prioclass = NORMAL_PRIORITY_CLASS;
+	
+	if (incr < -15)
+		prioclass = HIGH_PRIORITY_CLASS;
+	else if (incr < 0)
+		prioclass = ABOVE_NORMAL_PRIORITY_CLASS;
+	else if (incr > 15)
+		prioclass = IDLE_PRIORITY_CLASS;
+	else if (incr > 0)
+		prioclass = BELOW_NORMAL_PRIORITY_CLASS;
+	
+	if (!SetPriorityClass(GetCurrentProcess(), prioclass))
+		log_err("fio: SetPriorityClass failed\n");
 
 	return 0;
 }