| 1,5 → 1,5 |
|---|
| /* |
| * Copyright (c) 2006 Ondrej Palkovsky |
| * Copyright (c) 2009 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| 32,63 → 32,54 |
|---|
| /** @file |
| */ |
| |
| #ifndef LIBC_FIBRIL_H_ |
| #define LIBC_FIBRIL_H_ |
| #ifndef LIBC_FIBRIL_SYNC_H_ |
| #define LIBC_FIBRIL_SYNC_H_ |
| |
| #include <libarch/fibril.h> |
| #include <async.h> |
| #include <fibril.h> |
| #include <adt/list.h> |
| #include <libarch/tls.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 */ |
| typedef struct { |
| int counter; |
| link_t waiters; |
| } fibril_mutex_t; |
| |
| #define FIBRIL_SERIALIZED 1 |
| #define FIBRIL_MUTEX_INITIALIZE(name) \ |
| fibril_mutex_t name = { \ |
| .counter = 1, \ |
| .waiters = { \ |
| .prev = &name.waiters, \ |
| .next = &name.waiters, \ |
| } \ |
| } |
| |
| typedef enum { |
| FIBRIL_PREEMPT, |
| FIBRIL_TO_MANAGER, |
| FIBRIL_FROM_MANAGER, |
| FIBRIL_FROM_DEAD |
| } fibril_switch_type_t; |
| typedef struct { |
| fibril_mutex_t fm; |
| } fibril_rwlock_t; |
| |
| typedef sysarg_t fid_t; |
| #define FIBRIL_RWLOCK_INITIALIZE(name) \ |
| fibril_rwlock_t name = { \ |
| .fm = { \ |
| .counter = 1, \ |
| .waiters = { \ |
| .prev = &name.fm.waiters, \ |
| .next = &name.fm.waiters, \ |
| } \ |
| } \ |
| } |
| |
| struct fibril { |
| link_t link; |
| context_t ctx; |
| void *stack; |
| void *arg; |
| int (*func)(void *); |
| tcb_t *tcb; |
| extern void fibril_mutex_initialize(fibril_mutex_t *); |
| extern void fibril_mutex_lock(fibril_mutex_t *); |
| extern bool fibril_mutex_trylock(fibril_mutex_t *); |
| extern void fibril_mutex_unlock(fibril_mutex_t *); |
| |
| struct fibril *clean_after_me; |
| int retval; |
| int flags; |
| }; |
| typedef struct fibril fibril_t; |
| extern void fibril_rwlock_initialize(fibril_rwlock_t *); |
| extern void fibril_rwlock_read_lock(fibril_rwlock_t *); |
| extern void fibril_rwlock_write_lock(fibril_rwlock_t *); |
| extern void fibril_rwlock_read_unlock(fibril_rwlock_t *); |
| extern void fibril_rwlock_write_unlock(fibril_rwlock_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 fibril_t *fibril_setup(void); |
| extern void fibril_teardown(fibril_t *f); |
| extern int fibril_switch(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_yield(void) { |
| return fibril_switch(FIBRIL_PREEMPT); |
| } |
| |
| #endif |
| |
| /** @} |