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/*___INFO__MARK_BEGIN__*/
/*************************************************************************
*
* The Contents of this file are made available subject to the terms of
* the Sun Industry Standards Source License Version 1.2
*
* Sun Microsystems Inc., March, 2001
*
*
* Sun Industry Standards Source License Version 1.2
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.2 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://gridengine.sunsource.net/Gridengine_SISSL_license.html
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2001 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
************************************************************************/
/*___INFO__MARK_END__*/
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <sys/time.h>
#include <stdlib.h>
#include "comm/lists/cl_util.h"
#include "comm/cl_fd_list.h"
#include "comm/cl_commlib.h"
int cl_fd_list_setup(cl_raw_list_t** list_p, char* list_name) {
return cl_raw_list_setup(list_p, list_name, 1);
}
int cl_fd_list_cleanup(cl_raw_list_t **list_p) {
cl_fd_list_elem_t* elem = NULL;
elem = cl_fd_list_get_first_elem(*list_p);
if (elem != NULL) {
CL_LOG(CL_LOG_WARNING, "The list was NOT empty. Unregister all external file descriptors before cleanup next time, please");
}
while(elem){
cl_fd_list_unregister_fd(*list_p, elem, 1);
elem = cl_fd_list_get_next_elem(elem);
}
return cl_raw_list_cleanup(list_p);
}
int cl_fd_list_register_fd(cl_raw_list_t* list_p, cl_com_fd_data_t* fd, int lock_list) {
int ret_val;
cl_fd_list_elem_t* new_elem = NULL;
if (fd == NULL || list_p == NULL) {
return CL_RETVAL_PARAMS;
}
/* lock the list */
if (lock_list == 1) {
if ((ret_val = cl_raw_list_lock(list_p)) != CL_RETVAL_OK) {
return ret_val;
}
}
/* add a new elemt to the list */
new_elem = (cl_fd_list_elem_t*) malloc(sizeof(cl_fd_list_elem_t));
if (new_elem == NULL) {
if (lock_list == 1) {
cl_raw_list_unlock(list_p);
}
return CL_RETVAL_MALLOC;
}
new_elem->data = fd;
new_elem->raw_elem = cl_raw_list_append_elem(list_p, (void*) new_elem);
if (new_elem->raw_elem == NULL) {
sge_free(&new_elem);
if (lock_list == 1) {
cl_raw_list_unlock(list_p);
}
return CL_RETVAL_MALLOC;
}
/* unlock the list */
if (lock_list == 1) {
if ((ret_val = cl_raw_list_unlock(list_p)) != CL_RETVAL_OK) {
return ret_val;
}
}
return CL_RETVAL_OK;
}
int cl_fd_list_unregister_fd(cl_raw_list_t* list_p, cl_fd_list_elem_t* elem, int lock_list) {
int ret_val = CL_RETVAL_OK;
if (list_p == NULL || elem == NULL) {
return CL_RETVAL_PARAMS;
}
if (lock_list != 0) {
/* lock list */
if ((ret_val = cl_raw_list_lock(list_p)) != CL_RETVAL_OK) {
return ret_val;
}
}
cl_raw_list_remove_elem(list_p, elem->raw_elem);
sge_free(&(elem->data));
sge_free(&elem);
if (lock_list != 0) {
/* unlock list */
if ((ret_val = cl_raw_list_unlock(list_p)) != CL_RETVAL_OK) {
return ret_val;
}
}
return ret_val;
}
cl_fd_list_elem_t* cl_fd_list_get_first_elem(cl_raw_list_t* list_p) {
cl_raw_list_elem_t* raw_elem = cl_raw_list_get_first_elem(list_p);
if (raw_elem) {
return (cl_fd_list_elem_t*) raw_elem->data;
}
return NULL;
}
cl_fd_list_elem_t* cl_fd_list_get_least_elem(cl_raw_list_t* list_p) {
cl_raw_list_elem_t* raw_elem = cl_raw_list_get_least_elem(list_p);
if (raw_elem) {
return (cl_fd_list_elem_t*) raw_elem->data;
}
return NULL;
}
cl_fd_list_elem_t* cl_fd_list_get_next_elem(cl_fd_list_elem_t* elem) {
cl_raw_list_elem_t* next_raw_elem = NULL;
if (elem != NULL) {
cl_raw_list_elem_t* raw_elem = elem->raw_elem;
next_raw_elem = cl_raw_list_get_next_elem(raw_elem);
if (next_raw_elem) {
return (cl_fd_list_elem_t*) next_raw_elem->data;
}
}
return NULL;
}
cl_fd_list_elem_t* cl_fd_list_get_last_elem(cl_fd_list_elem_t* elem) {
cl_raw_list_elem_t* last_raw_elem = NULL;
if (elem != NULL) {
cl_raw_list_elem_t* raw_elem = elem->raw_elem;
last_raw_elem = cl_raw_list_get_last_elem(raw_elem);
if (last_raw_elem) {
return (cl_fd_list_elem_t*) last_raw_elem->data;
}
}
return NULL;
}
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