90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
/*
|
|
* chopstx.h - Threads and only threads.
|
|
*
|
|
* Copyright (C) 2013 Flying Stone Technology
|
|
* Author: NIIBE Yutaka <gniibe@fsij.org>
|
|
*
|
|
* This file is a part of Chopstx, a thread library for embedded.
|
|
*
|
|
* Chopstx 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 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* Chopstx 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, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* A special exception to the GNU GPL may be applied for a specific
|
|
* case. See the file EXCEPTION for full details.
|
|
*
|
|
*/
|
|
|
|
typedef uint32_t chopstx_t;
|
|
struct struct_attr { uint32_t prio; uint32_t addr; size_t size; };
|
|
typedef struct struct_attr chopstx_attr_t;
|
|
|
|
void chopstx_attr_init (chopstx_attr_t *attr);
|
|
|
|
/* NOTE: This signature is different to PTHREAD's one. */
|
|
void chopstx_attr_setschedparam (chopstx_attr_t *attr, uint8_t prio);
|
|
|
|
void chopstx_attr_setstack (chopstx_attr_t *attr, uint32_t addr,
|
|
size_t size);
|
|
|
|
void chopstx_create (chopstx_t *thd, const chopstx_attr_t *attr,
|
|
void *(thread_entry) (void *), void *);
|
|
|
|
void chopstx_usleep (uint32_t useconds);
|
|
|
|
struct chx_spinlock {
|
|
/* nothing for uniprocessor. */
|
|
};
|
|
|
|
typedef uint16_t chopstx_prio_t;
|
|
typedef struct chx_mtx {
|
|
struct {
|
|
struct chx_thread *next, *prev;
|
|
} q;
|
|
struct chx_spinlock lock;
|
|
struct chx_thread *owner;
|
|
struct chx_mtx *list;
|
|
} chopstx_mutex_t;
|
|
|
|
/* NOTE: This signature is different to PTHREAD's one. */
|
|
void chopstx_mutex_init (chopstx_mutex_t *mutex);
|
|
|
|
void chopstx_mutex_lock (chopstx_mutex_t *mutex);
|
|
|
|
void chopstx_mutex_unlock (chopstx_mutex_t *mutex);
|
|
|
|
typedef struct chx_cond {
|
|
struct {
|
|
struct chx_thread *next, *prev;
|
|
} q;
|
|
struct chx_spinlock lock;
|
|
} chopstx_cond_t;
|
|
|
|
/* NOTE: This signature is different to PTHREAD's one. */
|
|
void chopstx_cond_init (chopstx_cond_t *cond);
|
|
|
|
void chopstx_cond_wait (chopstx_cond_t *cond, chopstx_mutex_t *mutex);
|
|
void chopstx_cond_signal (chopstx_cond_t *cond);
|
|
void chopstx_cond_broadcast (chopstx_cond_t *cond);
|
|
|
|
typedef struct chx_intr {
|
|
struct chx_intr *next;
|
|
struct chx_spinlock lock;
|
|
struct chx_thread *t;
|
|
uint8_t irq_num;
|
|
uint8_t ready;
|
|
} chopstix_intr_t;
|
|
|
|
void chopstx_intr_register (chopstix_intr_t *intr, uint8_t irq_num);
|
|
|
|
void chopstx_wait_intr (chopstix_intr_t *intr);
|