[LIBC] mv pthreads/libdl to libc and rename dfs_lwip to dfs_net

components/libc/pthreads/sched.c

@@ -0,0 +1,56 @@
+/*
+ * File      : sched.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006 - 2010, RT-Thread Development Team
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
+
+#include <sched.h>
+
+int sched_yield(void)
+{
+    rt_thread_yield();
+
+    return 0;
+}
+RTM_EXPORT(sched_yield);
+
+int sched_get_priority_min(int policy)
+{
+    if (policy != SCHED_FIFO && policy != SCHED_RR)
+        return EINVAL;
+
+    return 0;
+}
+RTM_EXPORT(sched_get_priority_min);
+
+int sched_get_priority_max(int policy)
+{
+    if (policy != SCHED_FIFO && policy != SCHED_RR)
+        return EINVAL;
+
+    return RT_THREAD_PRIORITY_MAX - 1;
+}
+RTM_EXPORT(sched_get_priority_max);
+
+int sched_setscheduler(pid_t pid, int policy)
+{
+    return EOPNOTSUPP;
+}
+RTM_EXPORT(sched_setscheduler);