0,0 → 1,99 |
/* |
* Copyright (c) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
|
/** @addtogroup libc |
* @{ |
*/ |
/** @file |
*/ |
|
#ifndef LIBC_FIBRIL_H_ |
#define LIBC_FIBRIL_H_ |
|
#include <libarch/fibril.h> |
#include <libadt/list.h> |
#include <libarch/thread.h> |
|
#ifndef context_set |
#define context_set(c, _pc, stack, size, ptls) \ |
(c)->pc = (sysarg_t) (_pc); \ |
(c)->sp = ((sysarg_t) (stack)) + (size) - SP_DELTA; \ |
(c)->tls = (sysarg_t) (ptls); |
#endif /* context_set */ |
|
#define FIBRIL_SERIALIZED 1 |
|
typedef enum { |
FIBRIL_SLEEP, |
FIBRIL_PREEMPT, |
FIBRIL_TO_MANAGER, |
FIBRIL_FROM_MANAGER, |
FIBRIL_FROM_DEAD |
} fibril_switch_type_t; |
|
typedef sysarg_t fid_t; |
|
struct fibril { |
link_t link; |
context_t ctx; |
void *stack; |
void *arg; |
int (*func)(void *); |
tcb_t *tcb; |
|
struct fibril *clean_after_me; |
struct fibril *joiner; |
int joinee_retval; |
int retval; |
int flags; |
}; |
typedef struct fibril fibril_t; |
|
extern int context_save(context_t *c); |
extern void context_restore(context_t *c) __attribute__ ((noreturn)); |
|
extern fid_t fibril_create(int (*func)(void *), void *arg); |
extern int fibril_join(fid_t fid); |
extern fibril_t *fibril_setup(void); |
extern void fibril_teardown(fibril_t *f); |
extern int fibril_schedule_next_adv(fibril_switch_type_t stype); |
extern void fibril_add_ready(fid_t fid); |
extern void fibril_add_manager(fid_t fid); |
extern void fibril_remove_manager(void); |
extern fid_t fibril_get_id(void); |
extern void fibril_inc_sercount(void); |
extern void fibril_dec_sercount(void); |
|
static inline int fibril_schedule_next(void) { |
return fibril_schedule_next_adv(FIBRIL_PREEMPT); |
} |
|
#endif |
|
/** @} |
*/ |