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Fixing NetDll_select.

This commit is contained in:
Ben Vanik 2015-02-11 00:27:58 -08:00
parent fa40308d09
commit d1f1fa8951
1 changed files with 40 additions and 13 deletions
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53
src/xenia/kernel/xam_net.cc
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@ -255,10 +255,16 @@ SHIM_CALL NetDll_accept_shim(PPCContext* ppc_state, KernelState* state) {
}
}
void StoreFdset(const fd_set& src, uint8_t* dest) {
if (!dest) {
return;
void LoadFdset(const uint8_t* src, fd_set* dest) {
dest->fd_count = poly::load_and_swap<uint32_t>(src);
for (int i = 0; i < 64; ++i) {
auto socket_handle =
static_cast<SOCKET>(poly::load_and_swap<uint32_t>(src + 4 + i * 4));
dest->fd_array[i] = socket_handle;
}
}
void StoreFdset(const fd_set& src, uint8_t* dest) {
poly::store_and_swap<uint32_t>(dest, src.fd_count);
for (int i = 0; i < 64; ++i) {
SOCKET socket_handle = src.fd_array[i];
@ -269,7 +275,6 @@ void StoreFdset(const fd_set& src, uint8_t* dest) {
}
SHIM_CALL NetDll_select_shim(PPCContext* ppc_state, KernelState* state) {
assert_always("not tested");
uint32_t arg0 = SHIM_GET_ARG_32(0);
uint32_t nfds = SHIM_GET_ARG_32(1);
uint32_t readfds_ptr = SHIM_GET_ARG_32(2);
@ -278,15 +283,37 @@ SHIM_CALL NetDll_select_shim(PPCContext* ppc_state, KernelState* state) {
uint32_t timeout_ptr = SHIM_GET_ARG_32(5);
XELOGD("NetDll_select(%d, %d, %.8X, %.8X, %.8X, %.8X)", arg0, nfds,
readfds_ptr, writefds_ptr, exceptfds_ptr, timeout_ptr);
fd_set readfds;
fd_set writefds;
fd_set exceptfds;
timeval timeout = {static_cast<long>(SHIM_MEM_32(timeout_ptr + 0)),
static_cast<long>(SHIM_MEM_32(timeout_ptr + 4))};
int ret = select(nfds, &readfds, &writefds, &exceptfds, &timeout);
StoreFdset(readfds, SHIM_MEM_ADDR(readfds_ptr));
StoreFdset(writefds, SHIM_MEM_ADDR(writefds_ptr));
StoreFdset(exceptfds, SHIM_MEM_ADDR(exceptfds_ptr));
fd_set readfds = { 0 };
if (readfds_ptr) {
LoadFdset(SHIM_MEM_ADDR(readfds_ptr), &readfds);
}
fd_set writefds = {0};
if (writefds_ptr) {
LoadFdset(SHIM_MEM_ADDR(writefds_ptr), &writefds);
}
fd_set exceptfds = {0};
if (exceptfds_ptr) {
LoadFdset(SHIM_MEM_ADDR(exceptfds_ptr), &exceptfds);
}
timeval* timeout_in = nullptr;
timeval timeout;
if (timeout_ptr) {
timeout = {static_cast<long>(SHIM_MEM_32(timeout_ptr + 0)),
static_cast<long>(SHIM_MEM_32(timeout_ptr + 4))};
timeout_in = &timeout;
}
int ret = select(nfds, readfds_ptr ? &readfds : nullptr,
writefds_ptr ? &writefds : nullptr,
exceptfds_ptr ? &exceptfds : nullptr, timeout_in);
if (readfds_ptr) {
StoreFdset(readfds, SHIM_MEM_ADDR(readfds_ptr));
}
if (writefds_ptr) {
StoreFdset(writefds, SHIM_MEM_ADDR(writefds_ptr));
}
if (exceptfds_ptr) {
StoreFdset(exceptfds, SHIM_MEM_ADDR(exceptfds_ptr));
}
SHIM_SET_RETURN_32(ret);
}