examples/sched_ctx/prio.c: test for prio scheduler

examples/sched_ctx/prio.c

@@ -0,0 +1,60 @@
+/* StarPU --- Runtime system for heterogeneous multicore architectures.
+ *
+ * Copyright (C) 2013  Centre National de la Recherche Scientifique
+ *
+ * StarPU 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 2.1 of the License, or (at
+ * your option) any later version.
+ *
+ * StarPU 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 in COPYING.LGPL for more details.
+ */
+
+#include <starpu.h>
+
+#define FPRINTF(ofile, fmt, ...) do { if (!getenv("STARPU_SSILENT")) {fprintf(ofile, fmt, ## __VA_ARGS__); }} while(0)
+
+int main(int argc, char **argv)
+{
+	int ret;
+
+	ret = starpu_init(NULL);
+	if (ret == -ENODEV) return 77;
+	STARPU_CHECK_RETURN_VALUE(ret, "starpu_init");
+
+	unsigned sched_ctx1 = starpu_sched_ctx_create(NULL, -1, "ctx1", STARPU_SCHED_CTX_POLICY_NAME, "prio", 0);
+
+	fprintf(stderr, "min prio %d\n", starpu_sched_ctx_get_min_priority(sched_ctx1));
+	fprintf(stderr, "max prio %d\n", starpu_sched_ctx_get_max_priority(sched_ctx1));
+
+	unsigned sched_ctx2 = starpu_sched_ctx_create(NULL, -1, "ctx2",
+						      STARPU_SCHED_CTX_POLICY_NAME, "prio",
+						      STARPU_SCHED_CTX_POLICY_MIN_PRIO, -12,
+						      STARPU_SCHED_CTX_POLICY_MAX_PRIO, 32,
+						      0);
+
+	FPRINTF(stderr, "min prio %d\n", starpu_sched_ctx_get_min_priority(sched_ctx2));
+	FPRINTF(stderr, "max prio %d\n", starpu_sched_ctx_get_max_priority(sched_ctx2));
+
+	if (starpu_sched_ctx_get_min_priority(sched_ctx2) != -12)
+	{
+		FPRINTF(stderr, "Error with min priority: %d != %d\n", starpu_sched_ctx_get_min_priority(sched_ctx2), -12);
+		ret = 1;
+	}
+	if (starpu_sched_ctx_get_max_priority(sched_ctx2) != 32)
+	{
+		FPRINTF(stderr, "Error with max priority: %d != %d\n", starpu_sched_ctx_get_max_priority(sched_ctx2), 32);
+		ret = 1;
+	}
+
+	starpu_sched_ctx_delete(sched_ctx1);
+	starpu_sched_ctx_delete(sched_ctx2);
+
+	starpu_shutdown();
+
+	return ret;
+}