mirror of
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66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
/* Copyright (C) 2008-2009 Sun Microsystems, Inc
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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/**
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@file storage/perfschema/pfs_global.cc
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Miscellaneous global dependencies (implementation).
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*/
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#include "my_global.h"
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#include "my_sys.h"
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#include "pfs_global.h"
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#include <stdlib.h>
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#include <string.h>
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bool pfs_initialized= false;
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/**
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Memory allocation for the performance schema.
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The memory used internally in the performance schema implementation
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is allocated once during startup, and considered static thereafter.
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*/
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void *pfs_malloc(size_t size, myf flags)
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{
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DBUG_ASSERT(! pfs_initialized);
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DBUG_ASSERT(size > 0);
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void *ptr= malloc(size);
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if (ptr && (flags & MY_ZEROFILL))
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memset(ptr, 0, size);
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return ptr;
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}
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void pfs_free(void *ptr)
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{
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if (ptr != NULL)
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free(ptr);
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}
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void pfs_print_error(const char *format, ...)
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{
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va_list args;
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va_start(args, format);
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/*
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Printing to anything else, like the error log, would generate even more
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recursive calls to the performance schema implementation
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(file io is instrumented), so that could lead to catastrophic results.
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Printing to something safe, and low level: stderr only.
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*/
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vfprintf(stderr, format, args);
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va_end(args);
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fflush(stderr);
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}
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