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Changes so that the xShmOpen VFS method is no longer required. Its job can be done by the first call to xShmMap. Rename xShmClose to xShmUnmap.

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FossilOrigin-Name: f4780bde62c6c19146d2723c101540b8db898d38
This commit is contained in:
dan
2010-07-13 18:44:03 +00:00
parent 2103245e75
commit da9fe0c327
14 changed files with 241 additions and 286 deletions
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17
src/os.c
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@@ -100,9 +100,6 @@ int sqlite3OsSectorSize(sqlite3_file *id){
int sqlite3OsDeviceCharacteristics(sqlite3_file *id){
return id->pMethods->xDeviceCharacteristics(id);
}
int sqlite3OsShmOpen(sqlite3_file *id){
return id->pMethods->xShmOpen(id);
}
int sqlite3OsShmLock(sqlite3_file *id, int offset, int n, int flags){
return id->pMethods->xShmLock(id, offset, n, flags);
}
@@ -110,16 +107,16 @@ void sqlite3OsShmBarrier(sqlite3_file *id){
id->pMethods->xShmBarrier(id);
}
int sqlite3OsShmClose(sqlite3_file *id, int deleteFlag){
return id->pMethods->xShmClose(id, deleteFlag);
return id->pMethods->xShmUnmap(id, deleteFlag);
}
int sqlite3OsShmMap(
sqlite3_file *id,
int iPage,
int pgsz,
int isWrite,
void volatile **pp
sqlite3_file *id, /* Database file handle */
int iPage,
int pgsz,
int bExtend, /* True to extend file if necessary */
void volatile **pp /* OUT: Pointer to mapping */
){
return id->pMethods->xShmMap(id, iPage, pgsz, isWrite, pp);
return id->pMethods->xShmMap(id, iPage, pgsz, bExtend, pp);
}
/*