Add missing file

tests/main/task_end_dep.c

@@ -0,0 +1,130 @@
+/* StarPU --- Runtime system for heterogeneous multicore architectures.
+ *
+ * Copyright (C) 2018                                     CNRS
+ *
+ * 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.
+ */
+
+/* This checks that adding an end dependency for an already-terminated task
+ * works */
+
+#include <starpu.h>
+
+#define FPRINTF(ofile, fmt, ...) do { if (!getenv("STARPU_SSILENT")) {fprintf(ofile, fmt, ## __VA_ARGS__); }} while(0)
+
+#define INIT 12
+
+void cpu_codelet2(void *descr[], void *args)
+{
+	int *val = (int *)STARPU_VARIABLE_GET_PTR(descr[0]);
+	(void)args;
+	STARPU_ASSERT(*val == INIT);
+	starpu_sleep(0.1);
+	STARPU_ASSERT(*val == INIT);
+	*val *= 2;
+}
+
+struct starpu_codelet cl2 =
+{
+	.cpu_funcs = {cpu_codelet2},
+	.cpu_funcs_name = {"cpu_codelet2"},
+	.nbuffers = 1,
+	.modes = {STARPU_RW},
+	.name = "codelet2"
+};
+
+void cpu_codelet(void *descr[], void *args)
+{
+	(void)args;
+	int *val = (int *)STARPU_VARIABLE_GET_PTR(descr[0]);
+
+	STARPU_ASSERT(*val == 2*INIT);
+	starpu_sleep(0.1);
+	STARPU_ASSERT(*val == 2*INIT);
+	*val *= 2;
+}
+
+struct starpu_codelet cl =
+{
+	.cpu_funcs = {cpu_codelet},
+	.cpu_funcs_name = {"cpu_codelet"},
+	.nbuffers = 1,
+	.modes = {STARPU_RW},
+	.name = "codelet"
+};
+
+int main(void)
+{
+        int value=INIT;
+	int ret;
+	starpu_data_handle_t value_handle;
+	struct starpu_conf conf;
+	struct starpu_task *task, *task2;
+
+	starpu_conf_init(&conf);
+	conf.nmic = 0;
+	conf.nscc = 0;
+	conf.nmpi_ms = 0;
+
+        ret = starpu_init(&conf);
+	if (STARPU_UNLIKELY(ret == -ENODEV))
+	{
+		return 77;
+	}
+	STARPU_CHECK_RETURN_VALUE(ret, "starpu_init");
+
+	if (starpu_cpu_worker_get_count() < 1)
+	{
+		FPRINTF(stderr, "This application requires at least 1 cpu worker\n");
+		starpu_shutdown();
+		return 77;
+	}
+
+	starpu_variable_data_register(&value_handle, STARPU_MAIN_RAM, (uintptr_t)&value, sizeof(value));
+
+	task = starpu_task_build(&cl,
+				 STARPU_RW, value_handle,
+				 0);
+	STARPU_ASSERT(task);
+	task->detach = 0;
+
+	task2 = starpu_task_build(&cl2,
+				 STARPU_RW, value_handle,
+				 0);
+	STARPU_ASSERT(task2);
+	task2->detach = 0;
+	task2->destroy = 0;
+
+	ret = starpu_task_submit(task2);
+	STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_submit");
+	ret = starpu_task_wait(task2);
+	STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_wait");
+
+	starpu_task_declare_end_deps(task, 1, task2);
+	starpu_task_destroy(task2);
+
+	ret = starpu_task_submit(task);
+	STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_submit");
+
+	ret = starpu_task_wait(task);
+	STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_wait");
+
+	starpu_data_unregister(value_handle);
+
+	STARPU_ASSERT(value == 2*2*INIT);
+
+        starpu_shutdown();
+
+	FPRINTF(stderr, "Value = %d\n", value);
+
+	return ret;
+}