#include "php.h"
#include "php_network.h"
#ifdef PHP_WIN32
PHPAPI int php_select(int max_fd, fd_set *rfds, fd_set *wfds, fd_set *efds, struct timeval *tv)
{
DWORD ms_total, limit;
HANDLE handles[MAXIMUM_WAIT_OBJECTS];
int handle_slot_to_fd[MAXIMUM_WAIT_OBJECTS];
int n_handles = 0, i;
fd_set sock_read, sock_write, sock_except;
fd_set aread, awrite, aexcept;
int sock_max_fd = -1;
struct timeval tvslice;
int retcode;
#define SAFE_FD_ISSET(fd, set) (set != NULL && FD_ISSET(fd, set))
if (tv == NULL) {
ms_total = INFINITE;
} else {
ms_total = tv->tv_sec * 1000;
ms_total += tv->tv_usec / 1000;
}
FD_ZERO(&sock_read);
FD_ZERO(&sock_write);
FD_ZERO(&sock_except);
for (i = 0; i < max_fd; i++) {
if (SAFE_FD_ISSET(i, rfds) || SAFE_FD_ISSET(i, wfds) || SAFE_FD_ISSET(i, efds)) {
handles[n_handles] = (HANDLE)(zend_uintptr_t)_get_osfhandle(i);
if (handles[n_handles] == INVALID_HANDLE_VALUE) {
if (SAFE_FD_ISSET(i, rfds)) {
FD_SET((uint)i, &sock_read);
}
if (SAFE_FD_ISSET(i, wfds)) {
FD_SET((uint)i, &sock_write);
}
if (SAFE_FD_ISSET(i, efds)) {
FD_SET((uint)i, &sock_except);
}
if (i > sock_max_fd) {
sock_max_fd = i;
}
} else {
handle_slot_to_fd[n_handles] = i;
n_handles++;
}
}
}
if (n_handles == 0) {
return select(max_fd, rfds, wfds, efds, tv);
}
FD_ZERO(&aread);
FD_ZERO(&awrite);
FD_ZERO(&aexcept);
limit = GetTickCount() + ms_total;
do {
retcode = 0;
if (sock_max_fd >= 0) {
aread = sock_read;
awrite = sock_write;
aexcept = sock_except;
tvslice.tv_sec = 0;
tvslice.tv_usec = 100000;
retcode = select(sock_max_fd+1, &aread, &awrite, &aexcept, &tvslice);
}
if (n_handles > 0) {
DWORD wret;
wret = MsgWaitForMultipleObjects(n_handles, handles, FALSE, retcode > 0 ? 0 : 100, QS_ALLEVENTS);
if (wret == WAIT_TIMEOUT) {
;
} else if (wret == WAIT_FAILED) {
if (retcode == 0) {
retcode = -1;
}
} else {
if (retcode < 0) {
retcode = 0;
}
for (i = 0; i < n_handles; i++) {
if (WAIT_OBJECT_0 == WaitForSingleObject(handles[i], 0)) {
if (SAFE_FD_ISSET(handle_slot_to_fd[i], rfds)) {
FD_SET((uint)handle_slot_to_fd[i], &aread);
}
if (SAFE_FD_ISSET(handle_slot_to_fd[i], wfds)) {
FD_SET((uint)handle_slot_to_fd[i], &awrite);
}
if (SAFE_FD_ISSET(handle_slot_to_fd[i], efds)) {
FD_SET((uint)handle_slot_to_fd[i], &aexcept);
}
retcode++;
}
}
}
}
} while (retcode == 0 && (ms_total == INFINITE || GetTickCount() < limit));
if (rfds) {
*rfds = aread;
}
if (wfds) {
*wfds = awrite;
}
if (efds) {
*efds = aexcept;
}
return retcode;
}
#endif