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core: Proper poll() emulation to fix pacat and friends on Windows

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Currently, Windows versions of pacat and friends fail because the current
poll emulation is not sufficient (it only works for socket fds).

Luckily Gnulib has a much better emulation that seems to work good enough.
The implementation has been largely copied (except a few bug fix
regarding timeout handling, to be pushed upstream) and works on pipes
and files as well. The copy has been obtained through their gnulib-tool utility,
which gives a LGPLv2.1+ licensed file.

This fixes the "Assertion (!e->dead) failed" error coming and lets pacat
and friends stream happily to/from a server (I didn't actually test parec).
This commit is contained in:
Thomas Martitz 2012-10-30 11:35:24 +01:00 • committed by Arun Raghavan
parent fb52466d6a
commit 7e344b5ff0
4 changed files with 645 additions and 19 deletions
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18
src/pulse/mainloop.c
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@ -175,24 +175,6 @@ static pa_io_event* mainloop_io_new(
e->callback = callback;
e->userdata = userdata;
#ifdef OS_IS_WIN32
{
fd_set xset;
struct timeval tv;
tv.tv_sec = 0;
tv.tv_usec = 0;
FD_ZERO (&xset);
FD_SET (fd, &xset);
if ((select(fd, NULL, NULL, &xset, &tv) == -1) && (WSAGetLastError() == WSAENOTSOCK)) {
pa_log_warn("Cannot monitor non-socket file descriptors.");
e->dead = TRUE;
}
}
#endif
PA_LLIST_PREPEND(pa_io_event, m->io_events, e);
m->rebuild_pollfds = TRUE;
m->n_io_events ++;