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Use a skip list instead of a splay tree for now to fix memory leakage

This commit is contained in:
Chris Young 2015-09-01 19:14:11 +01:00
parent 06221c2340
commit e0198789ae
1 changed files with 104 additions and 66 deletions
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170
amiga/font.c
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@ -53,8 +53,6 @@
#include "amiga/object.h"
#include "amiga/schedule.h"
#define NSA_USE_SPLAY_TREE LIB_IS_AT_LEAST((struct Library *)UtilityBase, 53, 5)
#define NSA_UNICODE_FONT PLOT_FONT_FAMILY_COUNT
#define NSA_NORMAL 0
@ -74,7 +72,7 @@
struct ami_font_node
{
#ifdef __amigaos4__
struct SplayNode *splay_node;
struct SkipNode skip_node;
#endif
struct OutlineFont *font;
char *bold;
@ -151,9 +149,10 @@ const uint16 sc_table[] = {
0, 0};
#ifdef __amigaos4__
struct SplayTree *ami_font_stree = NULL;
#endif
struct SkipList *ami_font_list = NULL;
#else
struct MinList *ami_font_list = NULL;
#endif
struct List ami_diskfontlib_list;
lwc_string *glypharray[0xffff + 1];
ULONG ami_devicedpi;
@ -166,7 +165,6 @@ static inline int32 ami_font_width_glyph(struct OutlineFont *ofont,
const uint16 *char1, const uint16 *char2, uint32 emwidth);
static struct OutlineFont *ami_open_outline_font(const plot_font_style_t *fstyle,
const uint16 *codepoint);
static void ami_font_cleanup(struct MinList *ami_font_list);
static inline ULONG ami_font_unicode_width(const char *string, ULONG length,
const plot_font_style_t *fstyle, ULONG x, ULONG y, bool aa);
@ -372,15 +370,14 @@ static inline bool amiga_nsfont_split(const plot_font_style_t *fstyle,
*/
static struct ami_font_node *ami_font_open(const char *font, bool critical)
{
struct nsObject *node;
struct ami_font_node *nodedata = NULL;
if(NSA_USE_SPLAY_TREE) {
nodedata = FindSplayNode(ami_font_stree, font);
} else {
node = (struct nsObject *)FindIName((struct List *)ami_font_list, font);
if(node) nodedata = node->objstruct;
}
#ifdef __amigaos4__
nodedata = (struct ami_font_node *)FindSkipNode(ami_font_list, (APTR)font);
#else
struct nsObject *node = (struct nsObject *)FindIName((struct List *)ami_font_list, font);
if(node) nodedata = node->objstruct;
#endif
if(nodedata) {
GetSysTime(&nodedata->lastused);
@ -389,11 +386,11 @@ static struct ami_font_node *ami_font_open(const char *font, bool critical)
LOG("Font cache miss: %s", font);
if(NSA_USE_SPLAY_TREE) {
nodedata = InsertSplayNode(ami_font_stree, font, sizeof(struct ami_font_node));
} else {
nodedata = AllocVecTagList(sizeof(struct ami_font_node), NULL);
}
#ifdef __amigaos4__
nodedata = (struct ami_font_node *)InsertSkipNode(ami_font_list, (APTR)font, sizeof(struct ami_font_node));
#else
nodedata = AllocVecTagList(sizeof(struct ami_font_node), NULL);
#endif
if(nodedata == NULL) {
warn_user("NoMemory", "");
@ -430,13 +427,13 @@ static struct ami_font_node *ami_font_open(const char *font, bool critical)
GetSysTime(&nodedata->lastused);
if(!NSA_USE_SPLAY_TREE) {
node = AddObject(ami_font_list, AMINS_FONT);
if(node) {
node->objstruct = nodedata;
node->dtz_Node.ln_Name = strdup(font);
}
#ifndef __amigaos4__
node = AddObject(ami_font_list, AMINS_FONT);
if(node) {
node->objstruct = nodedata;
node->dtz_Node.ln_Name = strdup(font);
}
#endif
return nodedata;
}
@ -916,52 +913,39 @@ void ami_font_savescanner(void)
ami_font_scan_save(nsoption_charp(font_unicode_file), glypharray);
}
#ifdef __amigaos4__
static LONG ami_font_cache_sort(struct Hook *hook, APTR key1, APTR key2)
{
return stricmp(key1, key2);
}
#endif
void ami_init_fonts(void)
#ifdef __amigaos4__
static void ami_font_cleanup(struct SkipList *skiplist)
{
/* Initialise Unicode font scanner */
ami_font_initscanner(false, true);
struct ami_font_node *node;
struct ami_font_node *nnode;
struct TimeVal curtime;
/* Initialise font caching etc lists */
if(NSA_USE_SPLAY_TREE) {
ami_font_cache_hook.h_Entry = (HOOKFUNC)ami_font_cache_sort;
ami_font_cache_hook.h_Data = 0;
ami_font_stree = CreateSplayTree(&ami_font_cache_hook);
} else {
ami_font_list = NewObjList();
}
node = (struct ami_font_node *)GetFirstSkipNode(skiplist);
if(node == NULL) return;
NewList(&ami_diskfontlib_list);
do {
nnode = (struct ami_font_node *)GetNextSkipNode(skiplist, (struct SkipNode *)node);
GetSysTime(&curtime);
SubTime(&curtime, &node->lastused);
if(curtime.Seconds > 300)
{
LOG("Freeing %s not used for %ld seconds", node->skip_node.sn_Key, curtime.Seconds);
ami_font_close(node);
RemoveSkipNode(skiplist, node->skip_node.sn_Key);
}
} while((node = nnode));
/* run first cleanup in ten minutes */
if(!NSA_USE_SPLAY_TREE)
ami_schedule(600000, (void *)ami_font_cleanup, ami_font_list);
/* reschedule to run in five minutes */
ami_schedule(300000, (void *)ami_font_cleanup, ami_font_list);
}
void ami_close_fonts(void)
{
LOG("Cleaning up font cache");
if(NSA_USE_SPLAY_TREE) {
DeleteSplayTree(ami_font_stree); /** TODO: CLOSEFONTS **/
ami_font_stree = NULL;
} else {
FreeObjList(ami_font_list);
ami_font_list = NULL;
}
ami_font_finiscanner();
}
void ami_font_close(struct ami_font_node *node)
{
/* Called from FreeObjList if node type is AMINS_FONT */
CloseOutlineFont(node->font, &ami_diskfontlib_list);
}
#else
static void ami_font_cleanup(struct MinList *ami_font_list)
{
struct nsObject *node;
@ -969,12 +953,6 @@ static void ami_font_cleanup(struct MinList *ami_font_list)
struct ami_font_node *fnode;
struct TimeVal curtime;
/** TODO **/
if(NSA_USE_SPLAY_TREE) {
return;
}
/****/
if(IsMinListEmpty(ami_font_list)) return;
node = (struct nsObject *)GetHead((struct List *)ami_font_list);
@ -995,6 +973,66 @@ static void ami_font_cleanup(struct MinList *ami_font_list)
/* reschedule to run in five minutes */
ami_schedule(300000, (void *)ami_font_cleanup, ami_font_list);
}
#endif
void ami_init_fonts(void)
{
/* Initialise Unicode font scanner */
ami_font_initscanner(false, true);
/* Initialise font caching etc lists */
#ifdef __amigaos4__
ami_font_cache_hook.h_Entry = (HOOKFUNC)ami_font_cache_sort;
ami_font_cache_hook.h_Data = 0;
ami_font_list = CreateSkipList(&ami_font_cache_hook, 8);
#else
ami_font_list = NewObjList();
#endif
NewList(&ami_diskfontlib_list);
/* run first cleanup in ten minutes */
ami_schedule(600000, (void *)ami_font_cleanup, ami_font_list);
}
#ifdef __amigaos4__
static void ami_font_del_skiplist(struct SkipList *skiplist)
{
struct SkipNode *node;
struct SkipNode *nnode;
node = GetFirstSkipNode(skiplist);
if(node == NULL) return;
do {
nnode = GetNextSkipNode(skiplist, node);
ami_font_close((struct ami_font_node *)node);
} while((node = nnode));
DeleteSkipList(skiplist);
}
#endif
void ami_close_fonts(void)
{
LOG("Cleaning up font cache");
ami_schedule(-1, (void *)ami_font_cleanup, ami_font_list);
#ifdef __amigaos4__
ami_font_del_skiplist(ami_font_list);
#else
FreeObjList(ami_font_list);
#endif
ami_font_list = NULL;
ami_font_finiscanner();
}
void ami_font_close(struct ami_font_node *node)
{
/* Called from FreeObjList if node type is AMINS_FONT */
CloseOutlineFont(node->font, &ami_diskfontlib_list);
}
void ami_font_setdevicedpi(int id)
{