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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2002-2003, Network Appliance, Inc. All rights reserved.
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
*
* HEADER: dat_osd.h
*
* PURPOSE: Operating System Dependent layer
* Description:
* Provide OS dependent data structures & functions with
* a canonical DAT interface. Designed to be portable
* and hide OS specific quirks of common functions.
*
* $Id: dat_osd.h,v 1.14 2003/07/31 14:04:19 jlentini Exp $
*/
#ifndef _DAT_OSD_H_
#define _DAT_OSD_H_
#pragma ident "%Z%%M% %I% %E% SMI"
#include <dat/udat.h>
#include <assert.h>
#include <ctype.h>
#include <dlfcn.h>
#include <errno.h>
#include <pthread.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <unistd.h>
#include <sys/time.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
*
* Debugging
*
*/
#define dat_os_assert(expr) assert(expr)
typedef int DAT_OS_DBG_TYPE_VAL;
typedef enum
{
DAT_OS_DBG_TYPE_ERROR = 0x1,
DAT_OS_DBG_TYPE_GENERIC = 0x2,
DAT_OS_DBG_TYPE_SR = 0x4,
DAT_OS_DBG_TYPE_DR = 0x8,
DAT_OS_DBG_TYPE_PROVIDER_API = 0x10,
DAT_OS_DBG_TYPE_CONSUMER_API = 0x20,
DAT_OS_DBG_TYPE_ALL = 0xff
} DAT_OS_DBG_TYPE;
extern void
dat_os_dbg_init(void);
extern void
dat_os_dbg_print(
DAT_OS_DBG_TYPE_VAL type,
const char *fmt,
...);
/*
*
* Utility Functions
*
*/
#define DAT_ERROR(Type, SubType) ((DAT_RETURN)(DAT_CLASS_ERROR | Type | \
SubType))
typedef size_t DAT_OS_SIZE;
typedef void * DAT_OS_LIBRARY_HANDLE;
extern DAT_RETURN
dat_os_library_load(
const char *library_path,
DAT_OS_LIBRARY_HANDLE *library_handle_ptr);
extern DAT_RETURN
dat_os_library_unload(
const DAT_OS_LIBRARY_HANDLE library_handle);
/*
* void *dat_os_library_sym(DAT_OS_LIBRARY_HANDLE library_handle, char *sym)
*/
#define dat_os_library_sym(libhndl, sym) dlsym((libhndl), (sym))
/* char *dat_os_getenv(const char *name) */
#define dat_os_getenv(name) getenv((name))
/* long int dat_os_strtol(const char *nptr, char **endptr, int base) */
#define dat_os_strtol(nptr, endptr, base) strtol((nptr), (endptr), (base))
/* DAT_OS_SIZE dat_os_strlen(const char *s) */
#define dat_os_strlen(s) strlen((s))
/* int dat_os_strncmp(const char *s1, const char *s2, DAT_OS_SIZE n) */
#define dat_os_strncmp(s1, s2, n) strncmp((s1), (s2), (n))
/* void * dat_os_strncpy(char *dest, const char *src, DAT_OS_SIZE len) */
#define dat_os_strncpy(dest, src, len) strncpy((dest), (src), (len))
/* DAT_BOOLEAN dat_os_isblank(int c) */
#define dat_os_isblank(c) ((DAT_BOOLEAN)((' ' == (c)) || ('\t' == (c))) \
? DAT_TRUE : DAT_FALSE)
/* DAT_BOOLEAN dat_os_isdigit(int c) */
#define dat_os_isdigit(c) ((DAT_BOOLEAN)(isdigit((c)) ? DAT_TRUE : \
DAT_FALSE))
/* void dat_os_usleep(unsigned long usec) */
#define dat_os_usleep(usec) usleep((usec))
/*
*
* Memory Functions
*
*/
/* void *dat_os_alloc(int size) */
#define dat_os_alloc(size) malloc((size))
/* void dat_os_free(void *ptr, int size) */
#define dat_os_free(ptr, size) free((ptr))
/* void *dat_os_memset(void *loc, int c, DAT_OS_SIZE size) */
#define dat_os_memset(loc, c, size) memset((loc), (c), (size))
/*
*
* File I/O
*
*/
typedef FILE DAT_OS_FILE;
typedef fpos_t DAT_OS_FILE_POS;
/*
* DAT_OS_FILE *dat_os_fopen(const char *path)
* always open files in read only mode
*/
#define dat_os_fopen(path) ((DAT_OS_FILE *)fopen((path), "rF"))
/* DAT_RETURN dat_os_fgetpos(DAT_OS_FILE *file, DAT_OS_FILE_POS *pos) */
#define dat_os_fgetpos(file, pos) ((DAT_RETURN)( \
(0 == fgetpos((file), (pos))) ? DAT_SUCCESS : \
DAT_INTERNAL_ERROR))
/* DAT_RETURN dat_os_fsetpos(DAT_OS_FILE *file, DAT_OS_FILE_POS *pos) */
#define dat_os_fsetpos(file, pos) ((DAT_RETURN)( \
(0 == fsetpos((file), (pos))) ? DAT_SUCCESS : \
DAT_INTERNAL_ERROR))
/*
* dat_os_fgetc() returns EOF on error or end of file.
* int dat_os_fgetc(DAT_OS_FILE *file)
*/
#define dat_os_fgetc(file) fgetc((file))
/* int dat_os_fputc(DAT_OS_FILE *file, int c) */
#define dat_os_fputc(file, c) fputc((c), (file))
/* int dat_os_fungetc(DAT_OS_FILE *file) */
#define dat_os_fungetc(file) fseek((file), -1, SEEK_CUR)
/*
* dat_os_fread returns the number of bytes read from the file.
* DAT_OS_SIZE dat_os_fread(DAT_OS_FILE *file, char *buf, DAT_OS_SIZE len)
*/
#define dat_os_fread(file, buf, len) fread((buf), sizeof (char), \
(len), (file))
/* DAT_RETURN dat_os_fclose(DAT_OS_FILE *file) */
#define dat_os_fclose(file) ((0 == fclose(file)) ? DAT_SUCCESS : \
DAT_INTERNAL_ERROR)
/*
*
* Locks
*
*/
typedef pthread_mutex_t DAT_OS_LOCK;
/* lock functions */
/*
* DAT_RETURN dat_os_lock_init(IN DAT_OS_LOCK *m)
*/
#define dat_os_lock_init(m) ((0 == pthread_mutex_init((m), NULL)) ? \
DAT_SUCCESS : DAT_INTERNAL_ERROR)
/* DAT_RETURN dat_os_lock(IN DAT_OS_LOCK *m) */
#define dat_os_lock(m) ((DAT_RETURN)( \
(0 == pthread_mutex_lock((m))) ? \
DAT_SUCCESS : DAT_INTERNAL_ERROR))
/* DAT_RETURN dat_os_unlock(IN DAT_OS_LOCK *m) */
#define dat_os_unlock(m) ((DAT_RETURN)( \
(0 == pthread_mutex_unlock((m))) ? \
DAT_SUCCESS : DAT_INTERNAL_ERROR))
/* DAT_RETURN dat_os_lock_destroy(IN DAT_OS_LOCK *m) */
#define dat_os_lock_destroy(m) ((DAT_RETURN)( \
(0 == pthread_mutex_destroy((m))) ? \
DAT_SUCCESS : DAT_INTERNAL_ERROR))
/*
* Simple macro to verify a handle is bad. Conditions:
* - pointer is NULL
* - pointer is not word aligned
*/
#define DAT_BAD_HANDLE(h) (((h) == NULL) || ((unsigned long)(h) & 3))
#ifdef __cplusplus
}
#endif
#endif /* _DAT_OSD_H_ */
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