jdk/src/share/demo/jvmti/hprof/hprof_ioname.c
author goetz
Thu, 21 Nov 2013 18:29:34 -0800
changeset 22852 1063026e8cee
parent 14342 8435a30053c1
permissions -rw-r--r--
8028471: PPC64 (part 215): opto: Extend ImplicitNullCheck optimization. Summary: Fixed Implicit NULL check optimization for AIX, where the page at address '0' is only write-protected. Reviewed-by: kvn

/*
 * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
 *
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 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - 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.
 *
 *   - Neither the name of Oracle nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT OWNER OR
 * CONTRIBUTORS 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
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 */

/*
 * This source code is provided to illustrate the usage of a given feature
 * or technique and has been deliberately simplified. Additional steps
 * required for a production-quality application, such as security checks,
 * input validation and proper error handling, might not be present in
 * this sample code.
 */


/* Used to store strings written out to the binary format (see hprof_io.c) */


/* Probably could have used the basic string table, however, some strings
 *   would only be in this table, so it was isolated as a separate table
 *   of strings.
 */

#include "hprof.h"
#include "hprof_ioname.h"

void
ioname_init(void)
{
    HPROF_ASSERT(gdata->ioname_table==NULL);
    gdata->ioname_table = table_initialize("IoNames", 512, 512, 511, 0);
}

IoNameIndex
ioname_find_or_create(const char *name, jboolean *pnew_entry)
{
    return table_find_or_create_entry(gdata->ioname_table,
                        (void*)name, (int)strlen(name)+1, pnew_entry, NULL);
}

void
ioname_cleanup(void)
{
    table_cleanup(gdata->ioname_table, NULL, NULL);
    gdata->ioname_table = NULL;
}