BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
TRACE("(0x%p, %d, %p)\n", hinstDLL, fdwReason, lpvReserved);
switch (fdwReason)
{
case DLL_PROCESS_ATTACH:
init_cxx_funcs();
init_lockit();
init_exception(hinstDLL);
init_locale(hinstDLL);
init_io(hinstDLL);
init_misc(hinstDLL);
break;
case DLL_PROCESS_DETACH:
if (lpvReserved) break;
free_io();
free_locale();
free_lockit();
free_misc();
break;
}
return TRUE;
}
void *io_loop(void *arg)
{
struct io *io = (struct io *) arg;
struct pfiled *pfiled = io->pfiled;
struct xseg *xseg = pfiled->xseg;
uint32_t portno = pfiled->portno;
struct xseg_request *accepted;
for (;;) {
accepted = NULL;
if (!isTerminate())
accepted = xseg_accept(xseg, portno, 0);
if (accepted) {
io->req = accepted;
wake_up_next_iothread(pfiled);
handle_accepted(pfiled, io);
}
else {
pthread_mutex_lock(&io->lock);
free_io(pfiled, io);
pthread_cond_wait(&io->cond, &io->lock);
pthread_mutex_unlock(&io->lock);
}
}
return NULL;
}
/*
* Decrements the number of outstanding ios that a bio has been
* cloned into, completing the original io if necc.
*/
static inline void dec_pending(struct dm_io *io, int error)
{
if (error)
io->error = error;
if (atomic_dec_and_test(&io->io_count)) {
if (atomic_dec_and_test(&io->md->pending))
/* nudge anyone waiting on suspend queue */
wake_up(&io->md->wait);
bio_endio(io->bio, io->bio->bi_size, io->error);
free_io(io->md, io);
}
}
/*
* Decrements the number of outstanding ios that a bio has been
* cloned into, completing the original io if necc.
*/
static void dec_pending(struct dm_io *io, int error)
{
if (error)
io->error = error;
if (atomic_dec_and_test(&io->io_count)) {
if (end_io_acct(io))
/* nudge anyone waiting on suspend queue */
wake_up(&io->md->wait);
blk_add_trace_bio(io->md->queue, io->bio, BLK_TA_COMPLETE);
bio_endio(io->bio, io->bio->bi_size, io->error);
free_io(io->md, io);
}
}
BOOL WINAPI DllMain(HINSTANCE hdll, DWORD reason, LPVOID reserved)
{
switch (reason)
{
case DLL_WINE_PREATTACH:
return FALSE; /* prefer native version */
case DLL_PROCESS_ATTACH:
init_cxx_funcs();
init_lockit();
init_exception(hdll);
init_locale(hdll);
init_io(hdll);
break;
case DLL_PROCESS_DETACH:
free_io();
free_locale();
free_lockit();
break;
}
return TRUE;
}
/*
* Decrements the number of outstanding ios that a bio has been
* cloned into, completing the original io if necc.
*/
static void dec_pending(struct dm_io *io, int error)
{
unsigned long flags;
/* Push-back supersedes any I/O errors */
if (error && !(io->error > 0 && __noflush_suspending(io->md)))
io->error = error;
if (atomic_dec_and_test(&io->io_count)) {
if (io->error == DM_ENDIO_REQUEUE) {
/*
* Target requested pushing back the I/O.
* This must be handled before the sleeper on
* suspend queue merges the pushback list.
*/
spin_lock_irqsave(&io->md->pushback_lock, flags);
if (__noflush_suspending(io->md))
bio_list_add(&io->md->pushback, io->bio);
else
/* noflush suspend was interrupted. */
io->error = -EIO;
spin_unlock_irqrestore(&io->md->pushback_lock, flags);
}
if (end_io_acct(io))
/* nudge anyone waiting on suspend queue */
wake_up(&io->md->wait);
if (io->error != DM_ENDIO_REQUEUE) {
blk_add_trace_bio(io->md->queue, io->bio,
BLK_TA_COMPLETE);
bio_endio(io->bio, io->bio->bi_size, io->error);
}
free_io(io->md, io);
}
}
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
TRACE("(0x%p, %d, %p)\n", hinstDLL, fdwReason, lpvReserved);
switch (fdwReason)
{
case DLL_WINE_PREATTACH:
return FALSE; /* prefer native version */
case DLL_PROCESS_ATTACH:
init_cxx_funcs();
init_lockit();
init_exception(hinstDLL);
init_locale(hinstDLL);
init_io(hinstDLL);
break;
case DLL_PROCESS_DETACH:
free_io();
free_locale();
free_lockit();
break;
}
return TRUE;
}
