| 0,0 → 1,98 |
|---|
| /* |
| * 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_PSTHREAD_H_ |
| #define LIBC_PSTHREAD_H_ |
| |
| #include <libarch/psthread.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 PSTHREAD_SERIALIZED 1 |
| |
| typedef enum { |
| PS_TO_MANAGER, |
| PS_FROM_MANAGER, |
| PS_PREEMPT, |
| PS_FROM_DEAD |
| } pschange_type; |
| |
| typedef sysarg_t pstid_t; |
| |
| struct psthread_data { |
| link_t link; |
| context_t ctx; |
| void *stack; |
| void *arg; |
| int (*func)(void *); |
| tcb_t *tcb; |
| |
| struct psthread_data *waiter; |
| int finished; |
| int retval; |
| int flags; |
| }; |
| typedef struct psthread_data psthread_data_t; |
| |
| extern int context_save(context_t *c); |
| extern void context_restore(context_t *c) __attribute__ ((noreturn)); |
| |
| pstid_t psthread_create(int (*func)(void *), void *arg); |
| int psthread_join(pstid_t psthrid); |
| psthread_data_t * psthread_setup(void); |
| void psthread_teardown(psthread_data_t *pt); |
| int psthread_schedule_next_adv(pschange_type ctype); |
| void psthread_add_ready(pstid_t ptid); |
| void psthread_add_manager(pstid_t psthrid); |
| void psthread_remove_manager(void); |
| pstid_t psthread_get_id(void); |
| void psthread_inc_sercount(void); |
| void psthread_dec_sercount(void); |
| |
| static inline int psthread_schedule_next() { |
| return psthread_schedule_next_adv(PS_PREEMPT); |
| } |
| |
| |
| #endif |
| |
| /** @} |
| */ |