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Enhance ability to debug out-of-memory errors.

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FossilOrigin-Name: 6a9c4a3ebfb7cc0738ef6634440ccab44a21ff28
This commit is contained in:
mistachkin
2016-02-13 23:43:46 +00:00
parent e75a9eb9bb
commit fad3039c51
37 changed files with 282 additions and 260 deletions
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8
src/os.c
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@@ -68,7 +68,7 @@ int sqlite3_memdebug_vfs_oom_test = 1;
#define DO_OS_MALLOC_TEST(x) \
if (sqlite3_memdebug_vfs_oom_test && (!x || !sqlite3IsMemJournal(x))) { \
void *pTstAlloc = sqlite3Malloc(10); \
if (!pTstAlloc) return SQLITE_IOERR_NOMEM; \
if (!pTstAlloc) return SQLITE_IOERR_NOMEM_BKPT; \
sqlite3_free(pTstAlloc); \
}
#else
@@ -287,7 +287,7 @@ int sqlite3OsOpenMalloc(
int flags,
int *pOutFlags
){
int rc = SQLITE_NOMEM;
int rc;
sqlite3_file *pFile;
pFile = (sqlite3_file *)sqlite3MallocZero(pVfs->szOsFile);
if( pFile ){
@@ -297,6 +297,8 @@ int sqlite3OsOpenMalloc(
}else{
*ppFile = pFile;
}
}else{
rc = SQLITE_NOMEM_BKPT;
}
return rc;
}
@@ -316,7 +318,7 @@ int sqlite3OsCloseFree(sqlite3_file *pFile){
*/
int sqlite3OsInit(void){
void *p = sqlite3_malloc(10);
if( p==0 ) return SQLITE_NOMEM;
if( p==0 ) return SQLITE_NOMEM_BKPT;
sqlite3_free(p);
return sqlite3_os_init();
}