From a416ab17ecf9f2cb0f1e3f7bd645a8d1ce690ca2 Mon Sep 17 00:00:00 2001
From: rpj <rpj>
Date: Mon, 18 Feb 2002 03:16:52 +0000
Subject: Major reorganisation of source code; new routine and tests added.

---
 sched_get_priority_min.c | 69 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 sched_get_priority_min.c

(limited to 'sched_get_priority_min.c')

diff --git a/sched_get_priority_min.c b/sched_get_priority_min.c
new file mode 100644
index 0000000..2536ceb
--- /dev/null
+++ b/sched_get_priority_min.c
@@ -0,0 +1,69 @@
+/*
+ * sched_get_priority_min.c
+ * 
+ * Description:
+ * POSIX thread functions that deal with thread scheduling.
+ *
+ * --------------------------------------------------------------------------
+ *
+ *      Pthreads-win32 - POSIX Threads Library for Win32
+ *      Copyright(C) 1998 John E. Bossom
+ *      Copyright(C) 1999,2002 Pthreads-win32 contributors
+ * 
+ *      Contact Email: rpj@ise.canberra.edu.au
+ * 
+ *      The current list of contributors is contained
+ *      in the file CONTRIBUTORS included with the source
+ *      code distribution. The list can also be seen at the
+ *      following World Wide Web location:
+ *      http://sources.redhat.com/pthreads-win32/contributors.html
+ * 
+ *      This library is free software; you can redistribute it and/or
+ *      modify it under the terms of the GNU Lesser General Public
+ *      License as published by the Free Software Foundation; either
+ *      version 2 of the License, or (at your option) any later version.
+ * 
+ *      This library is distributed in the hope that it will be useful,
+ *      but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *      Lesser General Public License for more details.
+ * 
+ *      You should have received a copy of the GNU Lesser General Public
+ *      License along with this library in the file COPYING.LIB;
+ *      if not, write to the Free Software Foundation, Inc.,
+ *      59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include "pthread.h"
+#include "implement.h"
+#include "sched.h"
+
+/*
+ * On Windows98, THREAD_PRIORITY_LOWEST is (-2) and 
+ * THREAD_PRIORITY_HIGHEST is 2, and everything works just fine.
+ * 
+ * On WinCE 3.0, it so happen that THREAD_PRIORITY_LOWEST is 5
+ * and THREAD_PRIORITY_HIGHEST is 1 (yes, I know, it is funny:
+ * highest priority use smaller numbers) and the following happens:
+ * 
+ * sched_get_priority_min() returns 5
+ * sched_get_priority_max() returns 1
+ */
+
+
+int
+sched_get_priority_min(int policy)
+{
+  if (policy < SCHED_MIN || policy > SCHED_MAX)
+    {
+      return EINVAL;
+    }
+
+#if (THREAD_PRIORITY_LOWEST > THREAD_PRIORITY_NORMAL)
+  /* WinCE? */
+  return PTW32_MIN(THREAD_PRIORITY_IDLE, THREAD_PRIORITY_TIME_CRITICAL);
+#else
+  /* This is independent of scheduling policy in Win32. */
+  return PTW32_MIN(THREAD_PRIORITY_IDLE, THREAD_PRIORITY_TIME_CRITICAL);
+#endif
+}
-- 
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