156 lines
5.1 KiB
C
156 lines
5.1 KiB
C
#ifndef _MTHREAD_H
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#define _MTHREAD_H
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#include <minix/config.h> /* MUST be first */
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#include <minix/ansi.h> /* MUST be second */
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#include <minix/const.h>
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#include <sys/types.h>
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#include <stdio.h>
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#include <ucontext.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <limits.h>
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#ifdef __NBSD_LIBC
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#include <sys/signal.h>
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#endif
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typedef int mthread_thread_t;
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typedef int mthread_once_t;
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typedef int mthread_key_t;
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typedef void * mthread_condattr_t;
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typedef void * mthread_mutexattr_t;
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struct __mthread_tcb;
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typedef struct {
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struct __mthread_tcb *mq_head;
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struct __mthread_tcb *mq_tail;
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} mthread_queue_t;
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struct __mthread_mutex {
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mthread_queue_t mm_queue; /* Queue of threads blocked on this mutex */
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mthread_thread_t mm_owner; /* Thread ID that currently owns mutex */
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#ifdef MTHREAD_STRICT
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struct __mthread_mutex *mm_prev;
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struct __mthread_mutex *mm_next;
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#endif
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unsigned int mm_magic;
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};
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typedef struct __mthread_mutex *mthread_mutex_t;
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struct __mthread_cond {
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struct __mthread_mutex *mc_mutex; /* Associate mutex with condition */
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#ifdef MTHREAD_STRICT
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struct __mthread_cond *mc_prev;
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struct __mthread_cond *mc_next;
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#endif
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unsigned int mc_magic;
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};
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typedef struct __mthread_cond *mthread_cond_t;
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struct __mthread_attr {
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size_t ma_stacksize;
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char *ma_stackaddr;
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int ma_detachstate;
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struct __mthread_attr *ma_prev;
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struct __mthread_attr *ma_next;
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};
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typedef struct __mthread_attr *mthread_attr_t;
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typedef struct {
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mthread_mutex_t mutex;
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mthread_cond_t cond;
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} mthread_event_t;
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typedef struct {
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unsigned int readers;
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mthread_thread_t writer;
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mthread_mutex_t queue;
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mthread_event_t drain;
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} mthread_rwlock_t;
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#define MTHREAD_CREATE_JOINABLE 001
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#define MTHREAD_CREATE_DETACHED 002
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#define MTHREAD_ONCE_INIT 0
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#define MTHREAD_STACK_MIN MINSIGSTKSZ
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#define MTHREAD_KEYS_MAX 128
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/* allocate.c */
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_PROTOTYPE( int mthread_create, (mthread_thread_t *thread,
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mthread_attr_t *tattr,
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void *(*proc)(void *), void *arg) );
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_PROTOTYPE( int mthread_detach, (mthread_thread_t thread) );
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_PROTOTYPE( int mthread_equal, (mthread_thread_t l, mthread_thread_t r) );
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_PROTOTYPE( void mthread_exit, (void *value) );
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_PROTOTYPE( int mthread_join, (mthread_thread_t thread, void **value) );
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_PROTOTYPE( int mthread_once, (mthread_once_t *once,
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void (*proc)(void)) );
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_PROTOTYPE( mthread_thread_t mthread_self, (void) );
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/* attribute.c */
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_PROTOTYPE( int mthread_attr_destroy, (mthread_attr_t *tattr) );
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_PROTOTYPE( int mthread_attr_getdetachstate, (mthread_attr_t *tattr,
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int *detachstate) );
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_PROTOTYPE( int mthread_attr_getstack, (mthread_attr_t *tattr,
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void **stackaddr,
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size_t *stacksize) );
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_PROTOTYPE( int mthread_attr_getstacksize, (mthread_attr_t *tattr,
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size_t *stacksize) );
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_PROTOTYPE( int mthread_attr_init, (mthread_attr_t *tattr) );
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_PROTOTYPE( int mthread_attr_setdetachstate, (mthread_attr_t *tattr,
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int detachstate) );
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_PROTOTYPE( int mthread_attr_setstack, (mthread_attr_t *tattr,
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void *stackaddr,
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size_t stacksize) );
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_PROTOTYPE( int mthread_attr_setstacksize, (mthread_attr_t *tattr,
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size_t stacksize) );
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/* condition.c */
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_PROTOTYPE( int mthread_cond_broadcast, (mthread_cond_t *cond) );
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_PROTOTYPE( int mthread_cond_destroy, (mthread_cond_t *cond) );
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_PROTOTYPE( int mthread_cond_init, (mthread_cond_t *cond,
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mthread_condattr_t *cattr) );
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_PROTOTYPE( int mthread_cond_signal, (mthread_cond_t *cond) );
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_PROTOTYPE( int mthread_cond_wait, (mthread_cond_t *cond,
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mthread_mutex_t *mutex) );
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/* key.c */
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_PROTOTYPE( int mthread_key_create, (mthread_key_t *key,
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void (*destructor)(void *)) );
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_PROTOTYPE( int mthread_key_delete, (mthread_key_t key) );
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_PROTOTYPE( void *mthread_getspecific, (mthread_key_t key) );
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_PROTOTYPE( int mthread_setspecific, (mthread_key_t key, void *value) );
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/* misc.c */
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_PROTOTYPE( void mthread_stats, (void) );
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_PROTOTYPE( void mthread_verify_f, (char *f, int l) );
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#define mthread_verify() mthread_verify_f(__FILE__, __LINE__)
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/* mutex.c */
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_PROTOTYPE( int mthread_mutex_destroy, (mthread_mutex_t *mutex) );
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_PROTOTYPE( int mthread_mutex_init, (mthread_mutex_t *mutex,
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mthread_mutexattr_t *mattr) );
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_PROTOTYPE( int mthread_mutex_lock, (mthread_mutex_t *mutex) );
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_PROTOTYPE( int mthread_mutex_trylock, (mthread_mutex_t *mutex) );
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_PROTOTYPE( int mthread_mutex_unlock, (mthread_mutex_t *mutex) );
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/* event.c */
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_PROTOTYPE( int mthread_event_destroy, (mthread_event_t *event) );
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_PROTOTYPE( int mthread_event_init, (mthread_event_t *event) );
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_PROTOTYPE( int mthread_event_wait, (mthread_event_t *event) );
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_PROTOTYPE( int mthread_event_fire, (mthread_event_t *event) );
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/* rwlock.c */
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_PROTOTYPE( int mthread_rwlock_destroy, (mthread_rwlock_t *rwlock) );
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_PROTOTYPE( int mthread_rwlock_init, (mthread_rwlock_t *rwlock) );
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_PROTOTYPE( int mthread_rwlock_rdlock, (mthread_rwlock_t *rwlock) );
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_PROTOTYPE( int mthread_rwlock_wrlock, (mthread_rwlock_t *rwlock) );
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_PROTOTYPE( int mthread_rwlock_unlock, (mthread_rwlock_t *rwlock) );
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/* schedule.c */
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_PROTOTYPE( void mthread_init, (void) );
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_PROTOTYPE( int mthread_yield, (void) );
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_PROTOTYPE( void mthread_yield_all, (void) );
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#endif
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