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80 lines
2.2 KiB
80 lines
2.2 KiB
9 years ago
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/*
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Copyright (c) 2012-2013 Martin Sustrik All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom
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the Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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IN THE SOFTWARE.
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*/
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#include "efd.h"
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#if defined NN_HAVE_WINDOWS
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#include "efd_win.c"
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#elif defined NN_HAVE_EVENTFD
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#include "efd_eventfd.c"
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#elif defined NN_HAVE_PIPE
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#include "efd_pipe.c"
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#elif defined NN_HAVE_SOCKETPAIR
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#include "efd_socketpair.c"
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#else
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#error
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#endif
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#if defined NN_HAVE_POLL
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#include <poll.h>
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int nn_efd_wait (struct nn_efd *self, int timeout)
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{
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int rc;
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struct pollfd pfd;
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pfd.fd = nn_efd_getfd (self);
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pfd.events = POLLIN;
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rc = poll (&pfd, 1, timeout);
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if (nn_slow (rc < 0 && errno == EINTR))
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return -EINTR;
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errno_assert (rc >= 0);
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if (nn_slow (rc == 0))
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return -ETIMEDOUT;
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return 0;
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}
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#elif defined NN_HAVE_WINDOWS
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int nn_efd_wait (struct nn_efd *self, int timeout)
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{
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int rc;
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struct timeval tv;
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FD_SET (self->r, &self->fds);
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if (timeout >= 0) {
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tv.tv_sec = timeout / 1000;
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tv.tv_usec = timeout % 1000 * 1000;
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}
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rc = select (0, &self->fds, NULL, NULL, timeout >= 0 ? &tv : NULL);
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wsa_assert (rc != SOCKET_ERROR);
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if (nn_slow (rc == 0))
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return -ETIMEDOUT;
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return 0;
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}
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#else
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#error
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#endif
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