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53 lines
1.9 KiB
53 lines
1.9 KiB
/* Header for poll(2) emulation |
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Contributed by Paolo Bonzini. |
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Copyright 2001, 2002, 2003, 2007, 2009, 2010 Free Software Foundation, Inc. |
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This file is part of gnulib. |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2, or (at your option) |
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any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License along |
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with this program; if not, write to the Free Software Foundation, |
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ |
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#ifndef _GL_POLL_H |
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#define _GL_POLL_H |
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/* fake a poll(2) environment */ |
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#define POLLIN 0x0001 /* any readable data available */ |
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#define POLLPRI 0x0002 /* OOB/Urgent readable data */ |
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#define POLLOUT 0x0004 /* file descriptor is writeable */ |
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#define POLLERR 0x0008 /* some poll error occurred */ |
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#define POLLHUP 0x0010 /* file descriptor was "hung up" */ |
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#define POLLNVAL 0x0020 /* requested events "invalid" */ |
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#define POLLRDNORM 0x0040 |
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#define POLLRDBAND 0x0080 |
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#define POLLWRNORM 0x0100 |
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#define POLLWRBAND 0x0200 |
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struct pollfd |
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{ |
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int fd; /* which file descriptor to poll */ |
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short events; /* events we are interested in */ |
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short revents; /* events found on return */ |
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}; |
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typedef unsigned long nfds_t; |
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extern int poll (struct pollfd *pfd, nfds_t nfd, int timeout); |
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/* Define INFTIM only if doing so conforms to POSIX. */ |
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#if !defined (_POSIX_C_SOURCE) && !defined (_XOPEN_SOURCE) |
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#define INFTIM (-1) |
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#endif |
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#endif /* _GL_POLL_H */
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