Exemplo n.º 1
0
int
pbs_rescrelease(int c, pbs_resource_t rh)
{
	struct batch_reply *reply;
	int	rc;

	/* initialize the thread context data, if not already initialized */
	if (pbs_client_thread_init_thread_context() != 0)
		return pbs_errno;

	/* lock pthread mutex here for this connection */
	/* blocking call, waits for mutex release */
	if (pbs_client_thread_lock_connection(c) != 0)
		return pbs_errno;

	if ((rc = PBS_resc(c, PBS_BATCH_ReleaseResc, (char **)0, 0, rh)) != 0) {
		(void)pbs_client_thread_unlock_connection(c);
		return (rc);
	}

	/* now get reply */

	reply = PBSD_rdrpy(c);

	PBSD_FreeReply(reply);

	rc = connection[c].ch_errno;

	/* unlock the thread lock and update the thread context data */
	if (pbs_client_thread_unlock_connection(c) != 0)
		return pbs_errno;

	return (rc);
}
Exemplo n.º 2
0
int
__pbs_orderjob(int c, char *job1, char *job2, char *extend)
{
	struct batch_reply *reply;
	int rc;
	int sock;


	if ((job1 == NULL) || (*job1 == '\0') ||
		(job2 == NULL) || (*job2 == '\0'))
		return (pbs_errno = PBSE_IVALREQ);

	sock = connection[c].ch_socket;

	/* initialize the thread context data, if not already initialized */
	if (pbs_client_thread_init_thread_context() != 0)
		return pbs_errno;

	/* lock pthread mutex here for this connection */
	/* blocking call, waits for mutex release */
	if (pbs_client_thread_lock_connection(c) != 0)
		return pbs_errno;

	/* setup DIS support routines for following DIS calls */

	DIS_tcp_setup(sock);

	if ((rc = encode_DIS_ReqHdr(sock, PBS_BATCH_OrderJob, pbs_current_user)) ||
		(rc = encode_DIS_MoveJob(sock, job1, job2)) ||
		(rc = encode_DIS_ReqExtend(sock, extend))) {
		connection[c].ch_errtxt = strdup(dis_emsg[rc]);
		if (connection[c].ch_errtxt == NULL) {
			pbs_errno = PBSE_SYSTEM;
		} else {
			pbs_errno = PBSE_PROTOCOL;
		}
		(void)pbs_client_thread_unlock_connection(c);
		return pbs_errno;
	}
	if (DIS_tcp_wflush(sock)) {
		pbs_errno = PBSE_PROTOCOL;
		(void)pbs_client_thread_unlock_connection(c);
		return pbs_errno;
	}

	/* read reply */

	reply = PBSD_rdrpy(c);

	PBSD_FreeReply(reply);

	rc = connection[c].ch_errno;

	/* unlock the thread lock and update the thread context data */
	if (pbs_client_thread_unlock_connection(c) != 0)
		return pbs_errno;

	return rc;
}
Exemplo n.º 3
0
/**
 * @brief
 *	-wrapper function for pbs_submit where submission takes credentials.
 *
 * @param[in] c - communication handle
 * @param[in] attrib - pointer to attr list
 * @param[in] script - script to be submitted
 * @param[in] destination - host where submission happens
 * @param[in] extend - extend string for encoding req
 * @param[in] credtype - credential type
 * @param[in] credlen - credential length
 * @param[in] credbuf - buffer to hold cred info
 *
 * @return 	string
 * @retval	jobid	success
 * @retval	NULL	error
 *
 */
char *
pbs_submit_with_cred(int c, struct attropl  *attrib, char *script,
			char *destination, char  *extend, int credtype,
			size_t credlen, char  *credbuf)
{
	char					*ret;
	struct pbs_client_thread_context	*ptr;
	struct cred_info			*cred_info;

	/* initialize the thread context data, if not already initialized */
	if (pbs_client_thread_init_thread_context() != 0)
		return NULL;

	/* lock pthread mutex here for this connection */
	/* blocking call, waits for mutex release */
	if (pbs_client_thread_lock_connection(c) != 0)
		return NULL;

	ptr = (struct pbs_client_thread_context *)
		pbs_client_thread_get_context_data();
	if (!ptr) {
		pbs_errno = PBSE_INTERNAL;
		(void)pbs_client_thread_unlock_connection(c);
		return NULL;
	}

	if (!ptr->th_cred_info) {
		cred_info = malloc(sizeof(struct cred_info));
		if (!cred_info) {
			pbs_errno = PBSE_INTERNAL;
			(void)pbs_client_thread_unlock_connection(c);
			return NULL;
		}
		ptr->th_cred_info = (void *) cred_info;
	} else
		cred_info = (struct cred_info *) ptr->th_cred_info;

	/* copy credentials to static variables */
	cred_info->cred_buf = credbuf;
	cred_info->cred_len = credlen;
	cred_info->cred_type = credtype;

	/* pbs_submit takes credentials from static variables */
	ret = pbs_submit(c, attrib, script, destination, extend);

	cred_info->cred_buf = NULL;
	cred_info->cred_len = 0;
	cred_info->cred_type = 0;

	/* unlock the thread lock and update the thread context data */
	if (pbs_client_thread_unlock_connection(c) != 0)
		return NULL;

	return ret;
}
Exemplo n.º 4
0
int
pbs_rescreserve(int c, char **rl, int num_resc, pbs_resource_t *prh)
{
	int	rc;
	struct batch_reply *reply;


	/* initialize the thread context data, if not already initialized */
	if (pbs_client_thread_init_thread_context() != 0)
		return pbs_errno;

	/* lock pthread mutex here for this connection */
	/* blocking call, waits for mutex release */
	if (pbs_client_thread_lock_connection(c) != 0)
		return pbs_errno;

	if (rl == NULL) {
		pbs_errno = connection[c].ch_errno = PBSE_RMNOPARAM;
		(void)pbs_client_thread_unlock_connection(c);
		return pbs_errno;
	}
	if (prh == NULL) {
		pbs_errno = connection[c].ch_errno = PBSE_RMBADPARAM;
		(void)pbs_client_thread_unlock_connection(c);
		return pbs_errno;
	}
	/* send request */

	if ((rc = PBS_resc(c, PBS_BATCH_ReserveResc, rl, num_resc, *prh)) != 0) {
		(void)pbs_client_thread_unlock_connection(c);
		return (rc);
	}

	/*
	 * now get reply, if reservation successful, the reservation handle,
	 * pbs_resource_t, is in the  aux field
	 */

	reply = PBSD_rdrpy(c);

	if (((rc = connection[c].ch_errno) == PBSE_NONE) ||
		(rc == PBSE_RMPART)) {
		*prh = reply->brp_auxcode;
	}
	PBSD_FreeReply(reply);

	/* unlock the thread lock and update the thread context data */
	if (pbs_client_thread_unlock_connection(c) != 0)
		return pbs_errno;

	return (rc);
}
Exemplo n.º 5
0
int
PBSD_ucred(int c, char *user, int type, char *buf, int len)
{
	int			rc;
	struct batch_reply	*reply = NULL;
	int			sock;

	sock = connection[c].ch_socket;

	/* initialize the thread context data, if not already initialized */
	if (pbs_client_thread_init_thread_context() != 0)
		return pbs_errno;

	/* lock pthread mutex here for this connection */
	/* blocking call, waits for mutex release */
	if (pbs_client_thread_lock_connection(c) != 0)
		return pbs_errno;

	DIS_tcp_setup(sock);

	if ((rc =encode_DIS_ReqHdr(sock, PBS_BATCH_UserCred, pbs_current_user)) ||
		(rc = encode_DIS_UserCred(sock, user, type, buf, len)) ||
		(rc = encode_DIS_ReqExtend(sock, (char *)0))) {
		connection[c].ch_errtxt = strdup(dis_emsg[rc]);
		if (connection[c].ch_errtxt == NULL) {
			pbs_errno = PBSE_SYSTEM;
		} else {
			pbs_errno = PBSE_PROTOCOL;
		}
		(void)pbs_client_thread_unlock_connection(c);
		return pbs_errno;
	}
	if (DIS_tcp_wflush(sock)) {
		pbs_errno = PBSE_PROTOCOL;
		(void)pbs_client_thread_unlock_connection(c);
		return pbs_errno;
	}

	reply = PBSD_rdrpy(c);

	PBSD_FreeReply(reply);

	rc = connection[c].ch_errno;

	/* unlock the thread lock and update the thread context data */
	if (pbs_client_thread_unlock_connection(c) != 0)
		return pbs_errno;

	return rc;
}
Exemplo n.º 6
0
/**
 * @brief
 * 	-__pbs_statvnode() - returns information about virtual nodes (vnodes)
 *
 * @param[in] c - communication handle
 * @param[in] id - object id
 * @param[in] attrib - pointer to attribute list
 * @param[in] extend - extend string for encoding req
 *
 * @return	structure handle
 * @retval	pointer to batch_status struct		Success
 * @retval	NULL					error
 *
 */
struct batch_status *
__pbs_statvnode(int c, char *id, struct attrl *attrib, char *extend)
{
	int                   rc;
	struct batch_status  *ret = NULL;

	/* initialize the thread context data, if not already initialized */
	if (pbs_client_thread_init_thread_context() != 0)
		return NULL;

	/* first verify the attributes, if verification is enabled */
	rc = pbs_verify_attributes(c, PBS_BATCH_StatusNode,
		MGR_OBJ_NODE, MGR_CMD_NONE, (struct attropl *) attrib);
	if (rc)
		return NULL;

	if (pbs_client_thread_lock_connection(c) != 0)
		return NULL;

	ret = PBSD_status(c, PBS_BATCH_StatusNode, id, attrib, extend);

	/* unlock the thread lock and update the thread context data */
	if (pbs_client_thread_unlock_connection(c) != 0)
		return NULL;

	return ret;
}
Exemplo n.º 7
0
/**
 * @brief
 *	-send manager request and read reply.
 *
 * @param[in] c - communication handle
 * @param[in] function - req type
 * @param[in] command - command
 * @param[in] objtype - object type
 * @param[in] objname - object name
 * @param[in] aoplp - attribute list
 * @param[in] extend - extend string for req
 *
 * @return	int
 * @retval	0	success
 * @retval	!0	error
 *
 */ 
int
PBSD_manager(int c, int function, int command, int objtype, char *objname, struct attropl *aoplp, char *extend)
{
	int i;
	struct batch_reply *reply;
	int rc;

	/* initialize the thread context data, if not initialized */
	if (pbs_client_thread_init_thread_context() != 0)
		return pbs_errno;

	/* verify the object name if creating a new one */
	if (command == MGR_CMD_CREATE)
		if (pbs_verify_object_name(objtype, objname) != 0)
			return pbs_errno;

	/* now verify the attributes, if verification is enabled */
	if ((pbs_verify_attributes(c, function, objtype,
		command, aoplp)) != 0)
		return pbs_errno;

	/* lock pthread mutex here for this connection */
	/* blocking call, waits for mutex release */
	if (pbs_client_thread_lock_connection(c) != 0)
		return pbs_errno;

	/* send the manage request */
	i = PBSD_mgr_put(c, function, command, objtype, objname, aoplp, extend, 0, NULL);
	if (i) {
		(void)pbs_client_thread_unlock_connection(c);
		return i;
	}

	/* read reply from stream into presentation element */

	reply = PBSD_rdrpy(c);

	PBSD_FreeReply(reply);

	rc = connection[c].ch_errno;

	/* unlock the thread lock and update the thread context data */
	if (pbs_client_thread_unlock_connection(c) != 0)
		return pbs_errno;

	return rc;
}
Exemplo n.º 8
0
/**
 * @brief
 *	Return the status of a hook.
 *
 * @param[in] c - communication handle
 * @param[in] id - object name
 * @param[in] attrib - pointer to attrl structure(list)
 * @param[in] extend - extend string for req
 *
 * @return	structure handle
 * @retval	pointer to attr list	success
 * @retval	NULL			error
 *
 */
struct batch_status *
__pbs_stathook(int c, char *id, struct attrl *attrib, char *extend)
{
	struct batch_status *ret = NULL;
	int                  rc;
	int		    hook_obj;

	if (extend != NULL) {
		if (strcmp(extend, PBS_HOOK) == 0) {
			hook_obj = MGR_OBJ_PBS_HOOK;
		} else if (strcmp(extend, SITE_HOOK) == 0) {
			hook_obj = MGR_OBJ_SITE_HOOK;
		} else {
			return NULL;	/* bad extend value */
		}
	} else {
		hook_obj = MGR_OBJ_SITE_HOOK;
	}

	/* initialize the thread context data, if not already initialized */
	if (pbs_client_thread_init_thread_context() != 0)
		return NULL;

	/* first verify the attributes, if verification is enabled */
	rc = pbs_verify_attributes(c, PBS_BATCH_StatusHook,
		hook_obj, MGR_CMD_NONE, (struct attropl *) attrib);
	if (rc)
		return NULL;

	if (pbs_client_thread_lock_connection(c) != 0)
		return NULL;

	ret = PBSD_status(c, PBS_BATCH_StatusHook, id, attrib, extend);

	/* unlock the thread lock and update the thread context data */
	if (pbs_client_thread_unlock_connection(c) != 0)
		return NULL;

	return ret;
}
Exemplo n.º 9
0
/**
 * @brief
 *	Passes submit reservation request to PBSD_submit_resv( )
 *
 * @param[in]   c - socket on which connected
 * @param[in]   attrib - the list of attributes for batch request
 * @parma[in]   extend - extension of batch request
 *
 * @return char*
 * @retval SUCCESS returns the reservation ID
 * @retval ERROR NULL
 */
char *
__pbs_submit_resv(int c, struct attropl *attrib, char *extend)
{
	struct attropl *pal;
	int rc;
	char *ret;

	for (pal = attrib; pal; pal = pal->next)
		pal->op = SET;		/* force operator to SET */

	/* initialize the thread context data, if not already initialized */
	if (pbs_client_thread_init_thread_context() != 0)
		return (char *)NULL;

	/* first verify the attributes, if verification is enabled */
	rc = pbs_verify_attributes(c, PBS_BATCH_SubmitResv,
		MGR_OBJ_RESV, MGR_CMD_NONE, attrib);
	if (rc)
		return (char *)NULL;

	/* lock pthread mutex here for this connection */
	/* blocking call, waits for mutex release */
	if (pbs_client_thread_lock_connection(c) != 0)
		return (char *)NULL;

	/* initiate the queueing of the reservation  */

	/* Queue job with null string for job id */
	ret = PBSD_submit_resv(c, "", attrib, extend);

	/* unlock the thread lock and update the thread context data */
	if (pbs_client_thread_unlock_connection(c) != 0)
		return (char *) NULL;

	return ret;
}
Exemplo n.º 10
0
int
__pbs_rerunjob(int c, char *jobid, char *extend)
{
	int	rc;
	struct batch_reply *reply;
	int	sock;
	time_t  old_tcp_timeout;

	if ((jobid == NULL) || (*jobid == '\0'))
		return (pbs_errno = PBSE_IVALREQ);

	sock = connection[c].ch_socket;

	/* initialize the thread context data, if not already initialized */
	if (pbs_client_thread_init_thread_context() != 0)
		return pbs_errno;

	/* lock pthread mutex here for this connection */
	/* blocking call, waits for mutex release */
	if (pbs_client_thread_lock_connection(c) != 0)
		return pbs_errno;

	/* setup DIS support routines for following DIS calls */

	DIS_tcp_setup(sock);

	if ((rc = encode_DIS_ReqHdr(sock, PBS_BATCH_Rerun, pbs_current_user)) ||
		(rc = encode_DIS_JobId(sock, jobid)) ||
		(rc = encode_DIS_ReqExtend(sock, extend))) {
		connection[c].ch_errtxt = strdup(dis_emsg[rc]);
		if (connection[c].ch_errtxt == NULL) {
			pbs_errno = PBSE_SYSTEM;
		} else {
			pbs_errno = PBSE_PROTOCOL;
		}
		(void)pbs_client_thread_unlock_connection(c);
		return pbs_errno;
	}

	/* write data */

	if (DIS_tcp_wflush(sock)) {
		pbs_errno = PBSE_PROTOCOL;
		(void)pbs_client_thread_unlock_connection(c);
		return pbs_errno;
	}

	/* Set timeout value to very long value as rerun request */
	/* goes from Server to Mom and may take a long time      */
	old_tcp_timeout = pbs_tcp_timeout;
	pbs_tcp_timeout = PBS_DIS_TCP_TIMEOUT_VLONG;

	/* read reply from stream into presentation element */

	reply = PBSD_rdrpy(c);

	/* reset timeout */
	pbs_tcp_timeout = old_tcp_timeout;


	PBSD_FreeReply(reply);

	rc = connection[c].ch_errno;

	/* unlock the thread lock and update the thread context data */
	if (pbs_client_thread_unlock_connection(c) != 0)
		return pbs_errno;

	return rc;
}
Exemplo n.º 11
0
/**
 * @brief
 *	-send async run job batch request.
 *
 * @param[in] c - connection handle
 * @param[in] jobid- job identifier
 * @param[in] location - string of vnodes/resources to be allocated to the job 
 * @param[in] extend - extend string for encoding req
 *
 * @return      int
 * @retval      0       success
 * @retval      !0      error
 *
 */
int
pbs_asyrunjob(int c, char *jobid, char *location, char *extend)
{
	int	rc;
	struct batch_reply   *reply;
	unsigned long resch = 0;
	int	sock;

	if ((jobid == (char *)0) || (*jobid == '\0'))
		return (pbs_errno = PBSE_IVALREQ);
	if (location == (char *)0)
		location = "";

	sock = connection[c].ch_socket;

	/* initialize the thread context data, if not already initialized */
	if (pbs_client_thread_init_thread_context() != 0)
		return pbs_errno;

	/* lock pthread mutex here for this connection */
	/* blocking call, waits for mutex release */
	if (pbs_client_thread_lock_connection(c) != 0)
		return pbs_errno;

	/* setup DIS support routines for following DIS calls */

	DIS_tcp_setup(sock);

	/* send run request */

	if ((rc = encode_DIS_ReqHdr(sock, PBS_BATCH_AsyrunJob,
		pbs_current_user)) ||
		(rc = encode_DIS_Run(sock, jobid, location, resch)) ||
		(rc = encode_DIS_ReqExtend(sock, extend))) {
		connection[c].ch_errtxt = strdup(dis_emsg[rc]);
		if (connection[c].ch_errtxt == NULL) {
			pbs_errno = PBSE_SYSTEM;
		} else {
			pbs_errno = PBSE_PROTOCOL;
		}
		(void)pbs_client_thread_unlock_connection(c);
		return pbs_errno;
	}

	if (DIS_tcp_wflush(sock)) {
		pbs_errno = PBSE_PROTOCOL;
		(void)pbs_client_thread_unlock_connection(c);
		return pbs_errno;
	}

	/* get reply */

	reply = PBSD_rdrpy(c);
	rc = connection[c].ch_errno;

	PBSD_FreeReply(reply);

	/* unlock the thread lock and update the thread context data */
	if (pbs_client_thread_unlock_connection(c) != 0)
		return pbs_errno;

	return rc;
}
Exemplo n.º 12
0
/**
 * @brief
 *	-submit job request
 *
 * @param[in] c - communication handle
 * @param[in] attrib - ponter to attr list
 * @param[in] script - job script
 * @param[in] destination - host where job submitted
 * @param[in] extend - buffer to hold cred info
 *
 * @return      string
 * @retval      jobid   success
 * @retval      NULL    error
 *
 */
char *
__pbs_submit(int c, struct attropl  *attrib, char *script, char *destination, char *extend)
{
	struct attropl		*pal;
	char			*return_jobid = NULL;
	int			rc;
	struct pbs_client_thread_context *ptr;
	struct cred_info	*cred_info = NULL;

	/* initialize the thread context data, if not already initialized */
	if (pbs_client_thread_init_thread_context() != 0)
		return return_jobid;

	ptr = (struct pbs_client_thread_context *)
		pbs_client_thread_get_context_data();
	if (!ptr) {
		pbs_errno = PBSE_INTERNAL;
		return return_jobid;
	}

	/* first verify the attributes, if verification is enabled */
	rc = pbs_verify_attributes(c, PBS_BATCH_QueueJob,
		MGR_OBJ_JOB, MGR_CMD_NONE, attrib);
	if (rc)
		return return_jobid;

	/* lock pthread mutex here for this connection */
	/* blocking call, waits for mutex release */
	if (pbs_client_thread_lock_connection(c) != 0)
		return return_jobid;

	/* first be sure that the script is readable if specified ... */

	if ((script != NULL) && (*script != '\0')) {
		if (access(script, R_OK) != 0) {
			pbs_errno = PBSE_BADSCRIPT;
			if ((connection[c].ch_errtxt = strdup("cannot access script file")) == NULL)
				pbs_errno = PBSE_SYSTEM;
			goto error;
		}
	}

	/* initiate the queueing of the job */

	for (pal = attrib; pal; pal = pal->next)
		pal->op = SET;		/* force operator to SET */

	/* Queue job with null string for job id */
	return_jobid = PBSD_queuejob(c, "", destination, attrib, extend, 0, NULL);
	if (return_jobid == NULL)
		goto error;

	/* send script across */

	if ((script != NULL) && (*script != '\0')) {
		if ((rc = PBSD_jscript(c, script, 0, NULL)) != 0) {
			if (rc == PBSE_JOBSCRIPTMAXSIZE)
				pbs_errno = rc;
			else
				pbs_errno = PBSE_BADSCRIPT;
			goto error;
		}
	}

	/* OK, the script got across, apparently, so we are */
	/* ready to commit 				    */

	cred_info = (struct cred_info *) ptr->th_cred_info;

	/* opaque information */
	if (cred_info && cred_info->cred_len > 0) {
		if (PBSD_jcred(c, cred_info->cred_type,
			cred_info->cred_buf,
			cred_info->cred_len, 0, NULL) != 0) {
			pbs_errno = PBSE_BADCRED;
			goto error;
		}
	}

	if (PBSD_commit(c, return_jobid, 0, NULL) != 0)
		goto error;

	/* unlock the thread lock and update the thread context data */
	if (pbs_client_thread_unlock_connection(c) != 0)
		return NULL;

	return return_jobid;
error:
	(void)pbs_client_thread_unlock_connection(c);
	return NULL;
}
Exemplo n.º 13
0
int
pbs_rescquery(int c, char **resclist, int num_resc,
	int *available, int *allocated, int *reserved, int *down)
{
	int i;
	struct batch_reply *reply;
	int rc = 0;

	/* initialize the thread context data, if not already initialized */
	if (pbs_client_thread_init_thread_context() != 0)
		return pbs_errno;

	/* lock pthread mutex here for this connection */
	/* blocking call, waits for mutex release */
	if (pbs_client_thread_lock_connection(c) != 0)
		return pbs_errno;

	if (resclist == 0) {
		pbs_errno = connection[c].ch_errno = PBSE_RMNOPARAM;
		(void)pbs_client_thread_unlock_connection(c);
		return pbs_errno;
	}

	/* send request */

	if ((rc = PBS_resc(c, PBS_BATCH_Rescq, resclist,
		num_resc, (pbs_resource_t)0)) != 0) {
		(void)pbs_client_thread_unlock_connection(c);
		return rc;
	}

	/* read in reply */

	reply = PBSD_rdrpy(c);
	if ((rc = connection[c].ch_errno) == PBSE_NONE &&
		reply->brp_choice == BATCH_REPLY_CHOICE_RescQuery) {
		struct	brp_rescq	*resq = &reply->brp_un.brp_rescq;

		if (resq == NULL || num_resc != resq->brq_number) {
			rc = pbs_errno = connection[c].ch_errno =
				PBSE_IRESVE;
			goto done;
		}

		/* copy in available and allocated numbers */

		for (i=0; i<num_resc; i++) {
			available[i] = resq->brq_avail[i];
			allocated[i] = resq->brq_alloc[i];
			reserved[i]  = resq->brq_resvd[i];
			down[i]	     = resq->brq_down[i];
		}
	}

done:
	PBSD_FreeReply(reply);

	/* unlock the thread lock and update the thread context data */
	if (pbs_client_thread_unlock_connection(c) != 0)
		return pbs_errno;

	return (rc);
}
Exemplo n.º 14
0
/**
 * @brief
 *	-send close connection batch request
 *
 * @param[in] connect - socket descriptor
 *
 * @return	int
 * @retval	0	success
 * @retval	-1	error
 *
 */
int
__pbs_disconnect(int connect)
{
	int  sock;
	char x;

	if (connect < 0 || NCONNECTS <= connect)
		return 0;

	if (!connection[connect].ch_inuse)
		return 0;

	/* initialize the thread context data, if not already initialized */
	if (pbs_client_thread_init_thread_context() != 0)
		return -1;

	/*
	 * Use only connection handle level lock since this is
	 * just communication with server
	 */
	if (pbs_client_thread_lock_connection(connect) != 0)
		return -1;

	/*
	 * check again to ensure that another racing thread
	 * had not already closed the connection
	 */
	if (!connection[connect].ch_inuse) {
		(void)pbs_client_thread_unlock_connection(connect);
		return 0;
	}

	/* send close-connection message */

	sock = connection[connect].ch_socket;

	DIS_tcp_setup(sock);
	if ((encode_DIS_ReqHdr(sock, PBS_BATCH_Disconnect,
		pbs_current_user) == 0) &&
		(DIS_tcp_wflush(sock) == 0)) {
		for (;;) {	/* wait for server to close connection */
#ifdef WIN32
			if (recv(sock, &x, 1, 0) < 1)
#else
			if (read(sock, &x, 1) < 1)
#endif
				break;
		}
	}

	CS_close_socket(sock);
	CLOSESOCKET(sock);

	if (connection[connect].ch_errtxt != NULL) {
		free(connection[connect].ch_errtxt);
		connection[connect].ch_errtxt = NULL;
	}
	connection[connect].ch_errno = 0;
	connection[connect].ch_inuse = 0;

	/* unlock the connection level lock */
	if (pbs_client_thread_unlock_connection(connect) != 0)
		return -1;

	/*
	 * this is only a per thread work, so outside lock and unlock
	 * connection needs the thread level connect context so this should be
	 * called after unlocking
	 */
	if (pbs_client_thread_destroy_connect_context(connect) != 0)
		return -1;

	return 0;
}