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annotate lib/sys_file.in.h @ 13055:c7be8484e434

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maint: use pragma consistently across replacement headers Several headers set #pragma GCC system_header prior to checking any multiple inclusion guards; maintenance is easiest if all replacement headers follow the same paradigm. * lib/ctype.in.h (system_header): Hoist for consistent placement. * lib/dirent.in.h (system_header): Likewise. * lib/errno.in.h (system_header): Likewise. * lib/float.in.h (system_header): Likewise. * lib/getopt.in.h (system_header): Likewise. * lib/iconv.in.h (system_header): Likewise. * lib/inttypes.in.h (system_header): Likewise. * lib/langinfo.in.h (system_header): Likewise. * lib/locale.in.h (system_header): Likewise. * lib/math.in.h (system_header): Likewise. * lib/netdb.in.h (system_header): Likewise. * lib/netinet_in.in.h (system_header): Likewise. * lib/pty.in.h (system_header): Likewise. * lib/sched.in.h (system_header): Likewise. * lib/se-selinux.in.h (system_header): Likewise. * lib/search.in.h (system_header): Likewise. * lib/spawn.in.h (system_header): Likewise. * lib/stdarg.in.h (system_header): Likewise. * lib/stdint.in.h (system_header): Likewise. * lib/string.in.h (system_header): Likewise. * lib/strings.in.h (system_header): Likewise. * lib/sys_file.in.h (system_header): Likewise. * lib/sys_ioctl.in.h (system_header): Likewise. * lib/sys_socket.in.h (system_header): Likewise. * lib/sys_times.in.h (system_header): Likewise. * lib/sys_utsname.in.h (system_header): Likewise. * lib/sys_wait.in.h (system_header): Likewise. * lib/sysexits.in.h (system_header): Likewise. * lib/unistd.in.h (system_header): Likewise. * lib/wctype.in.h (system_header): Likewise. Signed-off-by: Eric Blake <eblake@redhat.com>
author Eric Blake <eblake@redhat.com>
date Thu, 25 Mar 2010 16:28:02 -0600
parents 2c14f1e449e5
children 2ed0fc659db8
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1 /* Provide a more complete sys/file.h.
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2
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3 Copyright (C) 2007-2010 Free Software Foundation, Inc.
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4
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5 This program is free software; you can redistribute it and/or modify
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6 it under the terms of the GNU General Public License as published by
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7 the Free Software Foundation; either version 2, or (at your option)
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8 any later version.
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9
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU General Public License for more details.
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14
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15 You should have received a copy of the GNU General Public License
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16 along with this program; if not, write to the Free Software Foundation,
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17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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18
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19 /* Written by Richard W.M. Jones. */
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20
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21 # if __GNUC__ >= 3
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22 @PRAGMA_SYSTEM_HEADER@
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23 # endif
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25 #ifndef _GL_SYS_FILE_H
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26
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27 /* The include_next requires a split double-inclusion guard. */
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28 # if @HAVE_SYS_FILE_H@
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29 # @INCLUDE_NEXT@ @NEXT_SYS_FILE_H@
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30 # endif
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31
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32 #ifndef _GL_SYS_FILE_H
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33 #define _GL_SYS_FILE_H
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34
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35 #ifndef LOCK_SH
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36 /* Operations for the 'flock' call (same as Linux kernel constants). */
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37 # define LOCK_SH 1 /* Shared lock. */
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38 # define LOCK_EX 2 /* Exclusive lock. */
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39 # define LOCK_UN 8 /* Unlock. */
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40
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41 /* Can be OR'd in to one of the above. */
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42 # define LOCK_NB 4 /* Don't block when locking. */
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43 #endif
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44
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45 /* The definition of _GL_WARN_ON_USE is copied here. */
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46
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47 #if @GNULIB_FLOCK@
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48 /* Apply or remove advisory locks on an open file.
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49 Return 0 if successful, otherwise -1 and errno set. */
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50 # if !@HAVE_FLOCK@
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51 extern int flock (int fd, int operation);
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52 # endif
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53 #elif defined GNULIB_POSIXCHECK
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54 # undef flock
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55 # if HAVE_RAW_DECL_FLOCK
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56 _GL_WARN_ON_USE (flock, "flock is unportable - "
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57 "use gnulib module flock for portability");
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58 # endif
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59 #endif
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60
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61
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62 #endif /* _GL_SYS_FILE_H */
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63 #endif /* _GL_SYS_FILE_H */