StarPU Internal Handbook
tags.h
Go to the documentation of this file.
1 /* StarPU --- Runtime system for heterogeneous multicore architectures.
2  *
3  * Copyright (C) 2008-2021 Université de Bordeaux, CNRS (LaBRI UMR 5800), Inria
4  *
5  * StarPU is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU Lesser General Public License as published by
7  * the Free Software Foundation; either version 2.1 of the License, or (at
8  * your option) any later version.
9  *
10  * StarPU is distributed in the hope that it will be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13  *
14  * See the GNU Lesser General Public License in COPYING.LGPL for more details.
15  */
16 
17 #ifndef __TAGS_H__
18 #define __TAGS_H__
19 
22 #include <starpu.h>
23 #include <common/config.h>
24 #include <common/starpu_spinlock.h>
25 #include <core/dependencies/cg.h>
26 
27 #define _STARPU_TAG_SIZE (sizeof(starpu_tag_t)*8)
28 
30 {
39 // useless ...
40 // /** the task has been submitted to the scheduler */
41 // STARPU_SCHEDULED,
44 };
45 
46 struct _starpu_job;
47 
49 {
53  struct _starpu_spinlock lock;
55  starpu_tag_t id;
56  enum _starpu_tag_state state;
57 
58  struct _starpu_cg_list tag_successors;
59 
61  struct _starpu_job *job;
62 
63  unsigned is_assigned;
64  unsigned is_submitted;
65 };
66 
67 void _starpu_init_tags(void);
68 
69 void _starpu_notify_tag_dependencies(struct _starpu_tag *tag);
70 void _starpu_notify_job_start_tag_dependencies(struct _starpu_tag *tag, _starpu_notify_job_start_data *data);
71 
72 void _starpu_tag_declare(starpu_tag_t id, struct _starpu_job *job);
73 
76 
77 unsigned _starpu_submit_job_enforce_task_deps(struct _starpu_job *j);
78 
79 void _starpu_tag_clear(void);
80 
81 #endif // __TAGS_H__
Definition: cg.h:41
Definition: starpu_spinlock.h:82
Definition: jobs.h:79
struct _starpu_tag * tag
Definition: jobs.h:107
void _starpu_tag_set_ready(struct _starpu_tag *tag)
struct _starpu_spinlock lock
Definition: tags.h:53
_starpu_tag_state
Definition: tags.h:30
@ STARPU_DONE
Definition: tags.h:43
@ STARPU_READY
Definition: tags.h:38
@ STARPU_BLOCKED
Definition: tags.h:36
@ STARPU_INVALID_STATE
Definition: tags.h:32
@ STARPU_ASSOCIATED
Definition: tags.h:34
starpu_tag_t id
Definition: tags.h:55
struct _starpu_job * job
Definition: tags.h:61
Definition: tags.h:49