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Add a test that simulates an error in mmap().

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FossilOrigin-Name: 6ec7367d8e98425f00eeb8215ca8964313c1d0b7
This commit is contained in:
dan
2013-03-25 19:05:07 +00:00
parent a64d5a15b7
commit 893c0ffc29
6 changed files with 66 additions and 14 deletions
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7
src/os_unix.c
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@@ -444,6 +444,9 @@ static struct unix_syscall {
{ "fchown", (sqlite3_syscall_ptr)posixFchown, 0 },
#define osFchown ((int(*)(int,uid_t,gid_t))aSyscall[20].pCurrent)
{ "mmap", (sqlite3_syscall_ptr)mmap, 0 },
#define osMmap ((void*(*)(void*,size_t,int,int,int,off_t))aSyscall[21].pCurrent)
}; /* End of the overrideable system calls */
/*
@@ -4547,7 +4550,7 @@ static int unixMapfile(unixFile *pFd, i64 nByte){
void *pNew;
int flags = PROT_READ;
if( (pFd->ctrlFlags & UNIXFILE_RDONLY)==0 ) flags |= PROT_WRITE;
pNew = mmap(0, nMap, flags, MAP_SHARED, pFd->h, 0);
pNew = osMmap(0, nMap, flags, MAP_SHARED, pFd->h, 0);
if( pNew==MAP_FAILED ){
return SQLITE_IOERR_MMAP;
}
@@ -7186,7 +7189,7 @@ int sqlite3_os_init(void){
/* Double-check that the aSyscall[] array has been constructed
** correctly. See ticket [bb3a86e890c8e96ab] */
assert( ArraySize(aSyscall)==21 );
assert( ArraySize(aSyscall)==22 );
/* Register all VFSes defined in the aVfs[] array */
for(i=0; i<(sizeof(aVfs)/sizeof(sqlite3_vfs)); i++){