static void fdevent_subproc_event_func(int fd, unsigned ev,
void* /* userdata */)
{
ADB_LOGD(ADB_FDEV, "subproc handling on fd=%d ev=%04x", fd, ev);
// Hook oneself back into the fde's suitable for select() on read.
if ((fd < 0) || (fd >= fd_table_max)) {
FATAL("fd %d out of range for fd_table", fd);
}
fdevent *fde = fd_table[fd];
fdevent_add(fde, FDE_READ);
if (ev & FDE_READ) {
int subproc_fd;
if (!ReadFdExactly(fd, &subproc_fd, sizeof(subproc_fd))) {
FATAL("Failed to read the subproc's fd from fd=%d", fd);
}
if ((subproc_fd < 0) || (subproc_fd >= fd_table_max)) {
ADB_LOGD(ADB_FDEV, "subproc_fd %d out of range 0, fd_table_max=%d",
subproc_fd, fd_table_max);
return;
}
fdevent *subproc_fde = fd_table[subproc_fd];
if (!subproc_fde) {
ADB_LOGD(ADB_FDEV, "subproc_fd %d cleared from fd_table",
subproc_fd);
return;
}
if (subproc_fde->fd != subproc_fd) {
// Already reallocated?
ADB_LOGD(ADB_FDEV, "subproc_fd %d != fd_table[].fd %d",
subproc_fd, subproc_fde->fd);
return;
}
subproc_fde->force_eof = 1;
int rcount = 0;
ioctl(subproc_fd, FIONREAD, &rcount);
ADB_LOGD(ADB_FDEV, "subproc with fd=%d has rcount=%d err=%d",
subproc_fd, rcount, errno);
if (rcount) {
// If there is data left, it will show up in the select().
// This works because there is no other thread reading that
// data when in this fd_func().
return;
}
ADB_LOGD(ADB_FDEV, "subproc_fde.state=%04x", subproc_fde->state);
subproc_fde->events |= FDE_READ;
if (subproc_fde->state & FDE_PENDING) {
return;
}
subproc_fde->state |= FDE_PENDING;
fdevent_call_fdfunc(subproc_fde);
}
}
void fdevent_loop() {
fdevent *fde;
fdevent_subproc_setup();
for(;;) {
D("--- ---- waiting for events\n");
fdevent_process();
while((fde = fdevent_plist_dequeue())) {
fdevent_call_fdfunc(fde);
}
}
}
static void fdevent_subproc_event_func(int fd, unsigned ev,
void* /* userdata */)
{
D("subproc handling on fd = %d, ev = %x", fd, ev);
CHECK_GE(fd, 0);
if (ev & FDE_READ) {
int subproc_fd;
if(!ReadFdExactly(fd, &subproc_fd, sizeof(subproc_fd))) {
LOG(FATAL) << "Failed to read the subproc's fd from " << fd;
}
auto it = g_poll_node_map.find(subproc_fd);
if (it == g_poll_node_map.end()) {
D("subproc_fd %d cleared from fd_table", subproc_fd);
return;
}
fdevent* subproc_fde = it->second.fde;
if(subproc_fde->fd != subproc_fd) {
// Already reallocated?
D("subproc_fd(%d) != subproc_fde->fd(%d)", subproc_fd, subproc_fde->fd);
return;
}
subproc_fde->force_eof = 1;
int rcount = 0;
ioctl(subproc_fd, FIONREAD, &rcount);
D("subproc with fd %d has rcount=%d, err=%d", subproc_fd, rcount, errno);
if (rcount != 0) {
// If there is data left, it will show up in the select().
// This works because there is no other thread reading that
// data when in this fd_func().
return;
}
D("subproc_fde %s", dump_fde(subproc_fde).c_str());
subproc_fde->events |= FDE_READ;
if(subproc_fde->state & FDE_PENDING) {
return;
}
subproc_fde->state |= FDE_PENDING;
fdevent_call_fdfunc(subproc_fde);
}
}
void fdevent_loop()
{
#if !ADB_HOST
fdevent_subproc_setup();
#endif // !ADB_HOST
while (true) {
D("--- --- waiting for events");
fdevent_process();
while (!g_pending_list.empty()) {
fdevent* fde = g_pending_list.front();
g_pending_list.pop_front();
fdevent_call_fdfunc(fde);
}
}
}
void fdevent_loop()
{
printf("function = %s, file = %s, line = %u \n", __FUNCTION__, __FILE__, __LINE__);
fdevent *fde;
fdevent_subproc_setup();
for(;;) {
D("--- ---- waiting for events\n");
printf("function = %s, file = %s, line = %u, before fdevent_process \n", __FUNCTION__, __FILE__, __LINE__);
fdevent_process();
printf("function = %s, file = %s, line = %u, after fdevent_process \n", __FUNCTION__, __FILE__, __LINE__);
while((fde = fdevent_plist_dequeue())) {
fdevent_call_fdfunc(fde);
}
}
}