Enlightenment CVS committal
Author : raster
Project : e17
Module : libs/eet
Dir : e17/libs/eet/src/lib
Modified Files:
eet_lib.c
Log Message:
cacheburst works again
===================================================================
RCS file: /cvsroot/enlightenment/e17/libs/eet/src/lib/eet_lib.c,v
retrieving revision 1.48
retrieving revision 1.49
diff -u -3 -r1.48 -r1.49
--- eet_lib.c 3 Nov 2005 13:05:52 -0000 1.48
+++ eet_lib.c 3 Nov 2005 15:05:21 -0000 1.49
@@ -27,7 +27,8 @@
FILE *fp;
Eet_File_Mode mode;
- int writes_pending : 1;
+ unsigned char writes_pending : 1;
+ unsigned char delete_me_now : 1;
Eet_File_Header *header;
};
@@ -101,7 +102,10 @@
for (i = 0; i < cache_num; i++)
{
/* if matches real path - return it */
- if (eet_string_match(cache[i]->real_path, real_path)) return cache[i];
+ if (eet_string_match(cache[i]->real_path, real_path))
+ {
+ if (!cache[i]->delete_me_now) return cache[i];
+ }
}
/* not found */
return NULL;
@@ -339,6 +343,24 @@
ef->writes_pending = 0;
}
+int
+eet_init(void)
+{
+ return ++eet_initcount;
+}
+
+int
+eet_shutdown(void)
+{
+ if (--eet_initcount == 0)
+ {
+ eet_cacheburst(0);
+ _eet_memfile_shutdown();
+ }
+
+ return eet_initcount;
+}
+
void
eet_cacheburst(int on)
{
@@ -414,9 +436,21 @@
/* find the current file handle in cache*/
ef = NULL;
if (mode == EET_FILE_MODE_READ)
- ef = eet_cache_find(buf, eet_readers, eet_readers_num);
+ {
+ ef = eet_cache_find(buf, eet_writers, eet_writers_num);
+ if (ef)
+ {
+ eet_flush(ef);
+ ef->delete_me_now = 1;
+ }
+ ef = eet_cache_find(buf, eet_readers, eet_readers_num);
+ }
else if ((mode == EET_FILE_MODE_WRITE) || (mode ==
EET_FILE_MODE_READ_WRITE))
- ef = eet_cache_find(buf, eet_writers, eet_writers_num);
+ {
+ ef = eet_cache_find(buf, eet_readers, eet_readers_num);
+ if (ef) ef->delete_me_now = 1;
+ ef = eet_cache_find(buf, eet_writers, eet_writers_num);
+ }
/* we found one */
if (ef)
{
@@ -447,6 +481,7 @@
}
else
{
+ ef->delete_me_now = 1;
eet_close(ef);
return NULL;
}
@@ -454,6 +489,7 @@
/* if we can't open - bail out */
if (!ef->fp)
{
+ ef->delete_me_now = 1;
eet_close(ef);
return NULL;
}
@@ -494,12 +530,14 @@
/* we cant have <= 0 values here - invalid */
if ((num_entries <= 0) || (byte_entries <= 0))
{
+ ef->delete_me_now = 1;
eet_close(ef);
return NULL;
}
/* we can't have more entires than minimum bytes for those! invalid! */
if ((num_entries * 20) > byte_entries)
{
+ ef->delete_me_now = 1;
eet_close(ef);
return NULL;
}
@@ -507,6 +545,7 @@
dyn_buf = malloc(byte_entries);
if (!dyn_buf)
{
+ ef->delete_me_now = 1;
eet_close(ef);
return NULL;
}
@@ -514,6 +553,7 @@
ef->header = calloc(1, sizeof(Eet_File_Header));
if (!ef->header)
{
+ ef->delete_me_now = 1;
free(dyn_buf);
eet_close(ef);
return NULL;
@@ -523,6 +563,7 @@
ef->header->directory = calloc(1, sizeof(Eet_File_Directory));
if (!ef->header->directory)
{
+ ef->delete_me_now = 1;
free(dyn_buf);
eet_close(ef);
return NULL;
@@ -533,6 +574,7 @@
ef->header->directory->nodes = calloc(1, sizeof(Eet_File_Node *) * (1
<< ef->header->directory->size));
if (!ef->header->directory->nodes)
{
+ ef->delete_me_now = 1;
free(dyn_buf);
eet_close(ef);
return NULL;
@@ -541,6 +583,7 @@
count = fread(dyn_buf, byte_entries, 1, ef->fp);
if (count != 1)
{
+ ef->delete_me_now = 1;
free(dyn_buf);
eet_close(ef);
return NULL;
@@ -564,6 +607,7 @@
/* dynamic block buffer before we finished scanning dir entries */
if (p >= (dyn_buf + byte_entries))
{
+ ef->delete_me_now = 1;
free(dyn_buf);
eet_close(ef);
return NULL;
@@ -594,6 +638,7 @@
/* invalid name_size */
if (name_size <= 0)
{
+ ef->delete_me_now = 1;
free(dyn_buf);
eet_close(ef);
return NULL;
@@ -601,6 +646,7 @@
/* reading name would mean falling off end of dyn_buf - invalid */
if ((p + 16 + name_size) > (dyn_buf + byte_entries))
{
+ ef->delete_me_now = 1;
free(dyn_buf);
eet_close(ef);
return NULL;
@@ -609,6 +655,7 @@
name = malloc(name_size + 1);
if (!name)
{
+ ef->delete_me_now = 1;
free(dyn_buf);
eet_close(ef);
return NULL;
@@ -621,6 +668,7 @@
efn = calloc(1, sizeof(Eet_File_Node));
if (!efn)
{
+ ef->delete_me_now = 1;
free(dyn_buf);
eet_close(ef);
return NULL;
@@ -676,10 +724,13 @@
}
/* add to cache */
- if (ef->mode == EET_FILE_MODE_READ)
- eet_cache_add(ef, &eet_readers, &eet_readers_num, &eet_readers_alloc);
- else if ((ef->mode == EET_FILE_MODE_WRITE) || (ef->mode ==
EET_FILE_MODE_READ_WRITE))
- eet_cache_add(ef, &eet_writers, &eet_writers_num, &eet_writers_alloc);
+ if (ef->references == 1)
+ {
+ if (ef->mode == EET_FILE_MODE_READ)
+ eet_cache_add(ef, &eet_readers, &eet_readers_num, &eet_readers_alloc);
+ else if ((ef->mode == EET_FILE_MODE_WRITE) || (ef->mode ==
EET_FILE_MODE_READ_WRITE))
+ eet_cache_add(ef, &eet_writers, &eet_writers_num, &eet_writers_alloc);
+ }
return ef;
}
@@ -702,9 +753,12 @@
/* deref */
ef->references--;
/* if its still referenced - dont go any further */
- if (ef->references != 0) return;
+ if (ef->references > 0) return;
/* if we are in cacheburst mode - dont free it - leave it in cache */
- if (eet_cacheburst_mode) return;
+ if (eet_cacheburst_mode)
+ {
+ if (!ef->delete_me_now) return;
+ }
/* remove from cache */
if (ef->mode == EET_FILE_MODE_READ)
eet_cache_del(ef, &eet_readers, &eet_readers_num, &eet_readers_alloc);
@@ -1127,16 +1181,3 @@
return ret;
}
-
-int eet_init(void)
-{
- return ++eet_initcount;
-}
-
-int eet_shutdown(void)
-{
- if (--eet_initcount == 0)
- _eet_memfile_shutdown();
-
- return eet_initcount;
-}
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