diff -r 666f914201fb -r 2fe1408b6811 epoc32/include/stdapis/glib-2.0/glowmem.h --- a/epoc32/include/stdapis/glib-2.0/glowmem.h Tue Nov 24 13:55:44 2009 +0000 +++ b/epoc32/include/stdapis/glib-2.0/glowmem.h Tue Mar 16 16:12:26 2010 +0000 @@ -1,1 +1,144 @@ -glowmem.h +/* +* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. + +* Redistribution and use in source and binary forms, with or without +* 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 Nokia Corporation 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 HOLDER 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 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +* +* Description: +* +*/ + +#ifndef __G_LOW_MEM_H__ +#define __G_LOW_MEM_H__ + +#include +#include + +/*-------------------------- Data Structure Decleration ----------------*/ +typedef struct _cleanUpStack cleanUpStack ; +typedef struct _mem_info mem_info ; + +struct _cleanUpStack +{ + void *ptr[1000]; + int top; +}; + +struct _mem_info +{ + int is_setjmp_called; + jmp_buf buf; + cleanUpStack stack; +}; + + +/*--------------------Function declerations------------------*/ +#ifdef __cplusplus +extern "C" +{ +#endif /* __cplusplus */ + +IMPORT_C mem_info * _get_thread_specific_data(); +IMPORT_C int _set_thread_specific_data(mem_info *m); +IMPORT_C int _push(cleanUpStack *cs,void *ptr); +IMPORT_C void *_pop(cleanUpStack *cs); +IMPORT_C void _findAndDestroy(cleanUpStack *cs,void *ptr); +IMPORT_C void _destroCleanUpStack(cleanUpStack *cs); +IMPORT_C void _clearCleanUpStack(cleanUpStack *cs); +IMPORT_C void * _pAlloc(size_t size); +IMPORT_C void _dummy1(); +IMPORT_C void _dummy2(); +IMPORT_C void _dummy3(); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +/*--------------------MACRO declerations------------------*/ + +#define SET_LOW_MEMORY_TRAP_VOID() \ +gboolean did_i_set = FALSE;\ +{\ + mem_info *m = _get_thread_specific_data();\ + if(m == NULL)\ + {\ + m = (mem_info *)_pAlloc(sizeof(mem_info));\ + if(!m)\ + return;\ + m->is_setjmp_called = FALSE;\ + _clearCleanUpStack(&(m->stack));\ + if(_set_thread_specific_data(m))\ + return;\ + }\ + if(!m->is_setjmp_called)\ + {\ + if(setjmp(m->buf) > 0)\ + {\ + m->is_setjmp_called = FALSE;\ + _destroCleanUpStack(&(m->stack));\ + return ;\ + }\ + m->is_setjmp_called = TRUE;\ + did_i_set = TRUE;\ + }\ +} + +#define SET_LOW_MEMORY_TRAP(failure_value) \ +gboolean did_i_set = FALSE;\ +{\ + mem_info *m = _get_thread_specific_data();\ + if(m == NULL)\ + {\ + m = (mem_info *)_pAlloc(sizeof(mem_info));\ + if(!m)\ + return failure_value;\ + m->is_setjmp_called = FALSE;\ + _clearCleanUpStack(&(m->stack));\ + if(_set_thread_specific_data(m))\ + return failure_value;\ + }\ + if(!m->is_setjmp_called)\ + {\ + if(setjmp(m->buf) > 0)\ + {\ + m->is_setjmp_called = FALSE;\ + _destroCleanUpStack(&(m->stack));\ + return failure_value;\ + }\ + m->is_setjmp_called = TRUE;\ + did_i_set = TRUE;\ + }\ +} + + +#define REMOVE_LOW_MEMORY_TRAP() {\ +if(did_i_set)\ + {\ + mem_info *m = _get_thread_specific_data();\ + if(m)\ + m->is_setjmp_called = FALSE;\ + _clearCleanUpStack(&(m->stack));\ + }\ +} + +#endif /* __G_LOW_MEM_H__ */ \ No newline at end of file