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#include "EXTERN.h" |
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#include "perl.h" |
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#include "XSUB.h" |
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|
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#include <glib.h> |
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#include "EVAPI.h" |
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|
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static GMainContext * |
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get_gcontext (SV *context) |
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{ |
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if (!SvOK (context)) |
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return g_main_context_default (); |
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|
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croak ("only the default context is currently supported."); |
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} |
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|
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static void |
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timeout_cb (EV_P_ ev_timer *w, int revents) |
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{ |
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ev_break (EV_A, EVBREAK_ONE); |
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} |
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|
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typedef struct |
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{ |
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struct ev_io io; |
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int *got_events; |
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GPollFD *pfd; |
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} slot; |
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|
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static void |
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io_cb (EV_P_ ev_io *w, int revents) |
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{ |
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slot *s = (slot *)w; |
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int oev = s->pfd->revents; |
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|
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s->pfd->revents |= s->pfd->events & |
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((revents & EV_READ ? G_IO_IN : 0) |
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| (revents & EV_WRITE ? G_IO_OUT : 0)); |
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|
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if (!oev && s->pfd->revents) |
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++*(s->got_events); |
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|
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ev_break (EV_A, EVBREAK_ONE); |
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} |
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|
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static gint |
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event_poll_func (GPollFD *fds, guint nfds, gint timeout) |
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{ |
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dSP; |
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// yes, I use C99. If your compiler barfs here, fix it, but don't |
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// tell me your compiler vendor was too incompetent to implement |
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// the C standard within the last eight years. |
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ev_timer to; |
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slot slots[nfds]; |
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int got_events = 0; |
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int n; |
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|
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for (n = 0; n < nfds; ++n) |
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{ |
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GPollFD *pfd = fds + n; |
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slot *s = slots + n; |
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|
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pfd->revents = 0; |
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|
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s->pfd = pfd; |
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s->got_events = &got_events; |
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|
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ev_io_init ( |
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&s->io, |
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io_cb, |
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pfd->fd, |
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(pfd->events & G_IO_IN ? EV_READ : 0) |
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| (pfd->events & G_IO_OUT ? EV_WRITE : 0) |
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); |
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ev_io_start (EV_DEFAULT, &s->io); |
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} |
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|
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if (timeout >= 0) |
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{ |
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ev_timer_init (&to, timeout_cb, timeout * 1e-3, 0.); |
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ev_timer_start (EV_DEFAULT, &to); |
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} |
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|
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ev_run (EV_DEFAULT, 0); |
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|
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if (timeout >= 0) |
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ev_timer_stop (EV_DEFAULT, &to); |
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|
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for (n = 0; n < nfds; ++n) |
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ev_io_stop (EV_DEFAULT, &slots[n].io); |
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|
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return got_events; |
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} |
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|
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MODULE = Glib::EV PACKAGE = Glib::EV |
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|
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PROTOTYPES: ENABLE |
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|
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BOOT: |
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{ |
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I_EV_API ("Glib::EV"); |
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} |
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|
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long |
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install (SV *context) |
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CODE: |
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{ |
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GMainContext *ctx = get_gcontext (context); |
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|
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RETVAL = (long)g_main_context_get_poll_func (ctx); |
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|
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g_main_context_set_poll_func (ctx, event_poll_func); |
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} |
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OUTPUT: |
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RETVAL |
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|
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void |
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uninstall (SV *context, long prev_poll_func) |
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CODE: |
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{ |
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GMainContext *ctx = get_gcontext (context); |
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|
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g_main_context_set_poll_func (ctx, (GPollFunc) prev_poll_func); |
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} |
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|
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|
