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70 lines
2.0 KiB
70 lines
2.0 KiB
// passed to the real C compiler
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#define LIBEV_EMBED 1
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#ifdef _WIN32
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#define EV_STANDALONE 1
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#include "libev_vfd.h"
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#endif
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#include "libev.h"
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static void
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_gevent_noop(struct ev_loop *_loop, struct ev_timer *w, int revents) { }
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void (*gevent_noop)(struct ev_loop *, struct ev_timer *, int) = &_gevent_noop;
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static int python_callback(void* handle, int revents);
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static void python_handle_error(void* handle, int revents);
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static void python_stop(void* handle);
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static void _gevent_generic_callback(struct ev_loop* loop,
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struct ev_watcher* watcher,
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int revents)
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{
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void* handle = watcher->data;
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int cb_result = python_callback(handle, revents);
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switch(cb_result) {
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case -1:
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// in case of exception, call self.loop.handle_error;
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// this function is also responsible for stopping the watcher
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// and allowing memory to be freed
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python_handle_error(handle, revents);
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break;
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case 1:
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// Code to stop the event. Note that if python_callback
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// has disposed of the last reference to the handle,
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// `watcher` could now be invalid/disposed memory!
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if (!ev_is_active(watcher)) {
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python_stop(handle);
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}
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break;
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case 2:
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// watcher is already stopped and dead, nothing to do.
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break;
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default:
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fprintf(stderr,
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"WARNING: gevent: Unexpected return value %d from Python callback "
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"for watcher %p and handle %d\n",
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cb_result,
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watcher, handle);
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// XXX: Possible leaking of resources here? Should we be
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// closing the watcher?
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}
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}
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static void gevent_zero_timer(struct ev_timer* handle)
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{
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memset(handle, 0, sizeof(struct ev_timer));
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}
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static void gevent_zero_check(struct ev_check* handle)
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{
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memset(handle, 0, sizeof(struct ev_check));
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}
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static void gevent_zero_prepare(struct ev_prepare* handle)
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{
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memset(handle, 0, sizeof(struct ev_prepare));
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}
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