git/compat/poll/poll.h
Joachim Schmitz 6d45eb1720 make poll available for other platforms lacking it
move poll.[ch] out of compat/win32/ into compat/poll/ and adjust
Makefile with the changed paths. Adding comments to Makefile about
how/when to enable it and add logic for this

Signed-off-by: Joachim Schmitz <jojo@schmitz-digital.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-09-17 15:42:57 -07:00

54 lines
1.9 KiB
C

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