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5176db70ca
* libguile/syscalls.h: New private header. * libguile/Makefile.am (EXTRA_libguile_@GUILE_EFFECTIVE_VERSION@_la_SOURCES): Add syscalls.h. * libguile/_scm.h: Remove SCM_SYSCALL and all the bits relating to e.g. stat versus stat64. * libguile/filesys.c: * libguile/fports.c: * libguile/i18n.c: * libguile/ioext.c: * libguile/poll.c: * libguile/ports.c: * libguile/posix.c: * libguile/rw.c: * libguile/scmsigs.c: * libguile/script.c: * libguile/socket.c: * libguile/strports.c: Include syscalls.h.
100 lines
3.3 KiB
C
100 lines
3.3 KiB
C
/* classes: h_files */
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#ifndef SCM_SYSCALLS_H
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#define SCM_SYSCALLS_H
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/* Copyright (C) 1995-1996,2000-2002,2006,2008-2011,2013-2014,2018
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* Free Software Foundation, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 3 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#if HAVE_CONFIG_H
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# include <config.h>
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#endif
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/* ASYNC_TICK after finding EINTR in order to handle pending signals, if
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any. See comment in scm_syserror. */
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#define SCM_SYSCALL(line) \
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do \
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{ \
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errno = 0; \
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line; \
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if (errno == EINTR) \
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{ \
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scm_async_tick (); \
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errno = EINTR; \
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} \
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} \
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while (errno == EINTR)
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#if defined GUILE_USE_64_CALLS && GUILE_USE_64_CALLS && defined(HAVE_STAT64)
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#define CHOOSE_LARGEFILE(foo,foo64) foo64
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#else
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#define CHOOSE_LARGEFILE(foo,foo64) foo
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#endif
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/* These names are a bit long, but they make it clear what they represent. */
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#if SCM_HAVE_STRUCT_DIRENT64 == 1
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# define dirent_or_dirent64 CHOOSE_LARGEFILE(dirent,dirent64)
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#else
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# define dirent_or_dirent64 dirent
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#endif
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#define fstat_or_fstat64 CHOOSE_LARGEFILE(fstat,fstat64)
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#define ftruncate_or_ftruncate64 CHOOSE_LARGEFILE(ftruncate,ftruncate64)
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#define lseek_or_lseek64 CHOOSE_LARGEFILE(lseek,lseek64)
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#define lstat_or_lstat64 CHOOSE_LARGEFILE(lstat,lstat64)
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#define off_t_or_off64_t CHOOSE_LARGEFILE(off_t,off64_t)
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#define open_or_open64 CHOOSE_LARGEFILE(open,open64)
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#define readdir_or_readdir64 CHOOSE_LARGEFILE(readdir,readdir64)
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#if SCM_HAVE_READDIR64_R == 1
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# define readdir_r_or_readdir64_r CHOOSE_LARGEFILE(readdir_r,readdir64_r)
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#else
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# define readdir_r_or_readdir64_r readdir_r
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#endif
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#define stat_or_stat64 CHOOSE_LARGEFILE(stat,stat64)
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#define truncate_or_truncate64 CHOOSE_LARGEFILE(truncate,truncate64)
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#define scm_from_off_t_or_off64_t CHOOSE_LARGEFILE(scm_from_off_t,scm_from_int64)
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#define scm_from_ino_t_or_ino64_t CHOOSE_LARGEFILE(scm_from_ulong,scm_from_uint64)
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#define scm_from_blkcnt_t_or_blkcnt64_t CHOOSE_LARGEFILE(scm_from_ulong,scm_from_uint64)
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#define scm_to_off_t_or_off64_t CHOOSE_LARGEFILE(scm_to_off_t,scm_to_int64)
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#if SIZEOF_OFF_T == 4
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# define scm_to_off_t scm_to_int32
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# define scm_from_off_t scm_from_int32
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#elif SIZEOF_OFF_T == 8
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# define scm_to_off_t scm_to_int64
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# define scm_from_off_t scm_from_int64
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#else
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# error sizeof(off_t) is not 4 or 8.
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#endif
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#define scm_to_off64_t scm_to_int64
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#define scm_from_off64_t scm_from_int64
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#endif /* SCM_SYSCALLS_H */
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/*
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Local Variables:
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c-file-style: "gnu"
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End:
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*/
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