Submitted by: john birrel

Obtained from: uthread package

thrreads definitions

1 files changed, 276 insertions, 0 deletions

diff --git a/include/pthread.h b/include/pthread.h
new file mode 100644
index 0000000..5665609
--- /dev/null
+++ b/include/pthread.h
@@ -0,0 +1,276 @@
+/*
+ * Copyright (c) 1993, 1994 by Chris Provenzano, proven@mit.edu
+ * Copyright (c) 1995 by John Birrell <jb@cimlogic.com.au>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *  This product includes software developed by Chris Provenzano.
+ * 4. The name of Chris Provenzano may not be used to endorse or promote 
+ *	  products derived from this software without specific prior written
+ *	  permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``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 CHRIS PROVENZANO 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.
+ *
+ */
+#ifndef _PTHREAD_H_
+#define _PTHREAD_H_
+
+/*
+ * Header files.
+ */
+#include <sys/cdefs.h>
+#include <sys/types.h>
+#include <sys/time.h>
+
+/*
+ * Forward thread structure definition. This is opaque to the user.
+ */
+struct pthread;
+
+/*
+ * Queue definitions.
+ */
+struct pthread_queue {
+	struct pthread	*q_next;
+	struct pthread	*q_last;
+	void		*q_data;
+};
+
+/*
+ * Static queue initialization values. 
+ */
+#define PTHREAD_QUEUE_INITIALIZER { NULL, NULL, NULL }
+
+/* 
+ * Mutex definitions.
+ */
+enum pthread_mutextype {
+	MUTEX_TYPE_FAST		= 1,
+	MUTEX_TYPE_COUNTING_FAST	= 2,	/* Recursive */
+	MUTEX_TYPE_MAX
+};
+
+union pthread_mutex_data {
+	void	*m_ptr;
+	int	m_count;
+};
+
+struct pthread_mutex {
+	enum pthread_mutextype		m_type;
+	struct pthread_queue		m_queue;
+	struct pthread			*m_owner;
+	union pthread_mutex_data	m_data;
+	long				m_flags;
+};
+
+/*
+ * Flags for mutexes. 
+ */
+#define MUTEX_FLAGS_PRIVATE	0x01
+#define MUTEX_FLAGS_INITED	0x02
+#define MUTEX_FLAGS_BUSY	0x04
+
+/*
+ * Static mutex initialization values. 
+ */
+#define PTHREAD_MUTEX_INITIALIZER   \
+	{ MUTEX_TYPE_FAST, PTHREAD_QUEUE_INITIALIZER, \
+	NULL, { NULL }, MUTEX_FLAGS_INITED }
+
+struct pthread_mutex_attr {
+	enum pthread_mutextype	m_type;
+	long			m_flags;
+};
+
+/* 
+ * Condition variable definitions.
+ */
+enum pthread_cond_type {
+	COND_TYPE_FAST,
+	COND_TYPE_MAX
+};
+
+struct pthread_cond {
+	enum pthread_cond_type	c_type;
+	struct pthread_queue	c_queue;
+	void			*c_data;
+	long			c_flags;
+};
+
+struct pthread_cond_attr {
+	enum pthread_cond_type	c_type;
+	long			c_flags;
+};
+
+/*
+ * Flags for condition variables.
+ */
+#define COND_FLAGS_PRIVATE	0x01
+#define COND_FLAGS_INITED	0x02
+#define COND_FLAGS_BUSY		0x04
+
+/*
+ * Static cond initialization values. 
+ */
+#define PTHREAD_COND_INITIALIZER    \
+	{ COND_TYPE_FAST, PTHREAD_QUEUE_INITIALIZER, NULL, COND_FLAGS_INITED }
+
+/*
+ * Cleanup definitions.
+ */
+struct pthread_cleanup {
+	struct pthread_cleanup	*next;
+	void			(*routine) ();
+	void			*routine_arg;
+};
+
+/*
+ * Scheduling definitions.
+ */
+enum schedparam_policy {
+	SCHED_RR,
+	SCHED_IO,
+	SCHED_FIFO,
+	SCHED_OTHER
+};
+
+struct pthread_attr {
+	enum schedparam_policy	schedparam_policy;
+	int			prio;
+	int			suspend;
+	int			flags;
+	void			*arg_attr;
+	void			(*cleanup_attr) ();
+	void			*stackaddr_attr;
+	size_t			stacksize_attr;
+};
+
+struct sched_param {
+	int	prio;
+	void	*no_data;
+};
+
+/*
+ * Once definitions.
+ */
+struct pthread_once {
+	int			state;
+	struct pthread_mutex	mutex;
+};
+
+/*
+ * Flags for once initialization.
+ */
+#define PTHREAD_NEEDS_INIT  0
+#define PTHREAD_DONE_INIT   1
+
+/*
+ * Static once initialization values. 
+ */
+#define PTHREAD_ONCE_INIT   { PTHREAD_NEEDS_INIT, PTHREAD_MUTEX_INITIALIZER }
+
+/*
+ * Type definitions.
+ */
+typedef int     pthread_key_t;
+typedef struct	pthread			*pthread_t;
+typedef struct	pthread_attr		pthread_attr_t;
+typedef struct	pthread_cond		pthread_cond_t;
+typedef struct	pthread_cond_attr	pthread_condattr_t;
+typedef struct	pthread_mutex		pthread_mutex_t;
+typedef struct	pthread_mutex_attr	pthread_mutexattr_t;
+typedef struct	pthread_once		pthread_once_t;
+typedef void	*pthread_addr_t;
+typedef void	*(*pthread_startroutine_t) (void *);
+
+/*
+ * Default attribute arguments.
+ */
+#define pthread_condattr_default    NULL
+#define pthread_mutexattr_default   NULL
+#ifndef PTHREAD_KERNEL
+#define pthread_attr_default        NULL
+#endif
+
+/*
+ * Thread function prototype definitions:
+ */
+__BEGIN_DECLS
+int  pthread_create __P((pthread_t *, const pthread_attr_t *,
+     void *(*start_routine) (void *), void *));
+void pthread_exit __P((void *));
+pthread_t pthread_self __P((void));
+int  pthread_equal __P((pthread_t, pthread_t));
+int  pthread_getprio __P((pthread_t));
+int  pthread_setprio __P((pthread_t, int));
+int  pthread_join __P((pthread_t, void **));
+int  pthread_detach __P((pthread_t *));
+int  pthread_resume __P((pthread_t));
+int  pthread_suspend __P((pthread_t));
+void pthread_yield __P((void));
+int  pthread_setschedparam __P((pthread_t pthread, int policy,
+     struct sched_param * param));
+int  pthread_getschedparam __P((pthread_t pthread, int *policy,
+     struct sched_param * param));
+int  pthread_kill __P((struct pthread *, int));
+int  pthread_cleanup_push __P((void (*routine) (void *), void *routine_arg));
+void pthread_cleanup_pop __P((int execute));
+int  pthread_cond_init __P((pthread_cond_t *, const pthread_condattr_t *));
+int  pthread_cond_timedwait __P((pthread_cond_t *, pthread_mutex_t *,
+     const struct timespec * abstime));
+int  pthread_cond_wait __P((pthread_cond_t *, pthread_mutex_t *));
+int  pthread_cond_signal __P((pthread_cond_t *));
+int  pthread_cond_broadcast __P((pthread_cond_t *));
+int  pthread_cond_destroy __P((pthread_cond_t *));
+int  pthread_mutex_init __P((pthread_mutex_t *, const pthread_mutexattr_t *));
+int  pthread_mutex_lock __P((pthread_mutex_t *));
+int  pthread_mutex_unlock __P((pthread_mutex_t *));
+int  pthread_mutex_trylock __P((pthread_mutex_t *));
+int  pthread_mutex_destroy __P((pthread_mutex_t *));
+int  pthread_attr_init __P((pthread_attr_t *));
+int  pthread_attr_destroy __P((pthread_attr_t *));
+int  pthread_attr_setstacksize __P((pthread_attr_t *, size_t));
+int  pthread_attr_getstacksize __P((pthread_attr_t *, size_t *));
+int  pthread_attr_setstackaddr __P((pthread_attr_t *, void *));
+int  pthread_attr_getstackaddr __P((pthread_attr_t *, void **));
+int  pthread_attr_setdetachstate __P((pthread_attr_t *, int));
+int  pthread_attr_getdetachstate __P((pthread_attr_t *, int *));
+int  pthread_attr_setscope __P((pthread_attr_t *, int));
+int  pthread_attr_getscope __P((pthread_attr_t *, int *));
+int  pthread_attr_setinheritsched __P((pthread_attr_t *, int));
+int  pthread_attr_getinheritsched __P((pthread_attr_t *, int *));
+int  pthread_attr_setschedpolicy __P((pthread_attr_t *, int));
+int  pthread_attr_getschedpolicy __P((pthread_attr_t *, int *));
+int  pthread_attr_setschedparam __P((pthread_attr_t *, struct sched_param *));
+int  pthread_attr_getschedparam __P((pthread_attr_t *, struct sched_param *));
+int  pthread_attr_setfloatstate __P((pthread_attr_t *, int));
+int  pthread_attr_getfloatstate __P((pthread_attr_t *, int *));
+int  pthread_attr_setcleanup __P((pthread_attr_t *, void (*routine) (void *), void *));
+int  pthread_attr_setcreatesuspend __P((pthread_attr_t *));
+int  pthread_once __P((pthread_once_t *, void (*init_routine) (void)));
+int  pthread_keycreate __P((pthread_key_t *, void (*routine) (void *)));
+int  pthread_setspecific __P((pthread_key_t, const void *));
+int  pthread_getspecific __P((pthread_key_t, void **));
+int  pthread_key_delete __P((pthread_key_t));
+__END_DECLS
+
+#endif