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path: root/src/os_posix/os_thread.c
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/*-
 * Copyright (c) 2008-2014 WiredTiger, Inc.
 *	All rights reserved.
 *
 * See the file LICENSE for redistribution information.
 */

#include "wt_internal.h"

/*
 * __wt_thread_create --
 *	Create a new thread of control.
 */
int
__wt_thread_create(WT_SESSION_IMPL *session,
    wt_thread_t *tidret, void *(*func)(void *), void *arg)
{
	WT_DECL_RET;

	/* Spawn a new thread of control. */
	if ((ret = pthread_create(tidret, NULL, func, arg)) == 0)
		return (0);
	WT_RET_MSG(session, ret, "pthread_create");
}

/*
 * __wt_thread_join --
 *	Wait for a thread of control to exit.
 */
int
__wt_thread_join(WT_SESSION_IMPL *session, wt_thread_t tid)
{
	WT_DECL_RET;

	if ((ret = pthread_join(tid, NULL)) == 0)
		return (0);

	WT_RET_MSG(session, ret, "pthread_join");
}

/*
 * __wt_thread_id --
 *	Fill in a printable version of the process and thread IDs.
 */
void
__wt_thread_id(char *buf, size_t buflen)
{
	pthread_t self;

	/*
	 * POSIX 1003.1 allows pthread_t to be an opaque type, but on systems
	 * where it's a pointer, we'd rather print out the pointer and match
	 * gdb output. Since we don't yet run on any systems where pthread_t
	 * is not a pointer, do it that way for now.
	 */
	self = pthread_self();
	(void)snprintf(buf, buflen,
	    "%" PRIu64 ":%p", (uint64_t)getpid(), (void *)self);
}