-/* classes: h_files */
-
-#ifndef SCM__SCM_H
-#define SCM__SCM_H
-
-/* Copyright (C) 1995,1996,2000,2001, 2002 Free Software Foundation, Inc.
- *
- * 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 software; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
- * Boston, MA 02111-1307 USA
- *
- * As a special exception, the Free Software Foundation gives permission
- * for additional uses of the text contained in its release of GUILE.
- *
- * The exception is that, if you link the GUILE library with other files
- * to produce an executable, this does not by itself cause the
- * resulting executable to be covered by the GNU General Public License.
- * Your use of that executable is in no way restricted on account of
- * linking the GUILE library code into it.
- *
- * This exception does not however invalidate any other reasons why
- * the executable file might be covered by the GNU General Public License.
- *
- * This exception applies only to the code released by the
- * Free Software Foundation under the name GUILE. If you copy
- * code from other Free Software Foundation releases into a copy of
- * GUILE, as the General Public License permits, the exception does
- * not apply to the code that you add in this way. To avoid misleading
- * anyone as to the status of such modified files, you must delete
- * this exception notice from them.
- *
- * If you write modifications of your own for GUILE, it is your choice
- * whether to permit this exception to apply to your modifications.
- * If you do not wish that, delete this exception notice. */
-
-\f
-
-#include <errno.h>
-
-#include "libguile/__scm.h"
-
-/* "What's the difference between _scm.h and __scm.h?"
-
- _scm.h is not installed; it's only visible to the libguile sources
- themselves.
-
- __scm.h is installed, and is #included by <libguile.h>. If both
- the client and libguile need some piece of information, and it
- doesn't fit well into the header file for any particular module, it
- should go in __scm.h. */
-
-
-
-/* Include headers for those files central to the implementation. The
- rest should be explicitly #included in the C files themselves. */
-#include "libguile/error.h" /* Everyone signals errors. */
-#include "libguile/print.h" /* Everyone needs to print. */
-#include "libguile/pairs.h" /* Everyone conses. */
-#include "libguile/list.h" /* Everyone makes lists. */
-#include "libguile/gc.h" /* Everyone allocates. */
-#include "libguile/gsubr.h" /* Everyone defines global functions. */
-#include "libguile/procs.h" /* Same. */
-#include "libguile/numbers.h" /* Everyone deals with fixnums. */
-#include "libguile/symbols.h" /* For length, chars, values, miscellany. */
-#include "libguile/boolean.h" /* Everyone wonders about the truth. */
-#ifdef USE_THREADS
-#include "libguile/threads.h" /* The cooperative thread package does
- switching at async ticks. */
-#endif
-#include "libguile/snarf.h" /* Everyone snarfs. */
-#include "libguile/variable.h"
-#include "libguile/modules.h"
-#include "libguile/inline.h"
-
-/* SCM_SYSCALL retries system calls that have been interrupted (EINTR).
- However this can be avoided if the operating system can restart
- system calls automatically. We assume this is the case if
- sigaction is available and SA_RESTART is defined; they will be used
- when installing signal handlers.
- */
-
-/* However, don't assume SA_RESTART works with pthreads... */
-#ifdef USE_COPT_THREADS
-#undef HAVE_RESTARTABLE_SYSCALLS
-#endif
-
-#ifdef HAVE_RESTARTABLE_SYSCALLS
-#define SCM_SYSCALL(line) line
-#endif
-
-#ifndef SCM_SYSCALL
-#ifdef vms
-# ifndef __GNUC__
-# include <ssdef.h>
-# define SCM_SYSCALL(line) do{errno = 0;line;} \
- while(EVMSERR==errno && (vaxc$errno>>3)==(SS$_CONTROLC>>3))
-# endif /* ndef __GNUC__ */
-#endif /* def vms */
-#endif /* ndef SCM_SYSCALL */
-
-#ifndef SCM_SYSCALL
-# ifdef EINTR
-# if (EINTR > 0)
-# define SCM_SYSCALL(line) do{errno = 0;line;}while(EINTR==errno)
-# endif /* (EINTR > 0) */
-# endif /* def EINTR */
-#endif /* ndef SCM_SYSCALL */
-
-#ifndef SCM_SYSCALL
-# define SCM_SYSCALL(line) line;
-#endif /* ndef SCM_SYSCALL */
-
-#if !defined (MSDOS) && !defined (__MINGW32__)
-# ifdef ARM_ULIB
- extern volatile int errno;
-# else
- extern int errno;
-# endif /* def ARM_ULIB */
-#endif /* ndef MSDOS && ndef __MINGW32__*/
-
-\f
-
-#ifndef min
-#define min(A, B) ((A) <= (B) ? (A) : (B))
-#endif
-#ifndef max
-#define max(A, B) ((A) >= (B) ? (A) : (B))
-#endif
-
-#endif /* SCM__SCM_H */
-
-/*
- Local Variables:
- c-file-style: "gnu"
- End:
-*/
+/* classes: h_files */
+
+#ifndef SCM__SCM_H
+#define SCM__SCM_H
+
+/* Copyright (C) 1995, 1996, 2000, 2001, 2002, 2006, 2008, 2009, 2010,
+ * 2011, 2013 Free Software Foundation, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+\f
+
+/**********************************************************************
+ This file is Guile's central private header.
+
+ When included by other files, this file should preceed any include
+ other than __scm.h. See __scm.h for details regarding the purpose of
+ and differences between _scm.h and __scm.h.
+ **********************************************************************/
+
+#if defined(__ia64) && !defined(__ia64__)
+# define __ia64__
+#endif
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+/* The size of `scm_t_bits'. */
+#define SIZEOF_SCM_T_BITS SIZEOF_VOID_P
+
+/* Undefine HAVE_STRUCT_TIMESPEC, because the libguile C code doesn't
+ need it anymore, and because on MinGW:
+
+ - the definition of struct timespec is provided (if at all) by
+ pthread.h
+
+ - pthread.h will _not_ define struct timespec if
+ HAVE_STRUCT_TIMESPEC is 1, because then it thinks that it doesn't
+ need to.
+
+ The libguile C code doesn't need HAVE_STRUCT_TIMESPEC anymore,
+ because the value of HAVE_STRUCT_TIMESPEC has already been
+ incorporated in how scm_t_timespec is defined (in scmconfig.h), and
+ the rest of the libguile C code now just uses scm_t_timespec.
+ */
+#ifdef HAVE_STRUCT_TIMESPEC
+#undef HAVE_STRUCT_TIMESPEC
+#endif
+
+#include <errno.h>
+#include <verify.h>
+#include <alignof.h>
+#include "libguile/__scm.h"
+
+/* Include headers for those files central to the implementation. The
+ rest should be explicitly #included in the C files themselves. */
+#include "libguile/error.h" /* Everyone signals errors. */
+#include "libguile/print.h" /* Everyone needs to print. */
+#include "libguile/pairs.h" /* Everyone conses. */
+#include "libguile/list.h" /* Everyone makes lists. */
+#include "libguile/gc.h" /* Everyone allocates. */
+#include "libguile/gsubr.h" /* Everyone defines global functions. */
+#include "libguile/procs.h" /* Same. */
+#include "libguile/numbers.h" /* Everyone deals with fixnums. */
+#include "libguile/symbols.h" /* For length, chars, values, miscellany. */
+#include "libguile/boolean.h" /* Everyone wonders about the truth. */
+#include "libguile/threads.h" /* You are not alone. */
+#include "libguile/snarf.h" /* Everyone snarfs. */
+#include "libguile/foreign.h" /* Snarfing needs the foreign data structures. */
+#include "libguile/programs.h" /* ... and program.h. */
+#include "libguile/variable.h"
+#include "libguile/modules.h"
+#include "libguile/inline.h"
+#include "libguile/strings.h"
+
+/* ASYNC_TICK after finding EINTR in order to handle pending signals, if
+ any. See comment in scm_syserror. */
+#ifndef SCM_SYSCALL
+#ifdef vms
+# ifndef __GNUC__
+# include <ssdef.h>
+# define SCM_SYSCALL(line) \
+ do \
+ { \
+ errno = 0; \
+ line; \
+ if (EVMSERR == errno && (vaxc$errno>>3)==(SS$_CONTROLC>>3)) \
+ SCM_ASYNC_TICK; \
+ else \
+ break; \
+ } \
+ while (1)
+# endif /* ndef __GNUC__ */
+#endif /* def vms */
+#endif /* ndef SCM_SYSCALL */
+
+#ifndef SCM_SYSCALL
+# ifdef EINTR
+# if (EINTR > 0)
+# define SCM_SYSCALL(line) \
+ do \
+ { \
+ errno = 0; \
+ line; \
+ if (errno == EINTR) \
+ { \
+ SCM_ASYNC_TICK; \
+ errno = EINTR; \
+ } \
+ } \
+ while (errno == EINTR)
+# endif /* (EINTR > 0) */
+# endif /* def EINTR */
+#endif /* ndef SCM_SYSCALL */
+
+#ifndef SCM_SYSCALL
+# define SCM_SYSCALL(line) line;
+#endif /* ndef SCM_SYSCALL */
+
+\f
+
+#ifndef min
+#define min(A, B) ((A) <= (B) ? (A) : (B))
+#endif
+#ifndef max
+#define max(A, B) ((A) >= (B) ? (A) : (B))
+#endif
+
+/* Return the first integer greater than or equal to LEN such that
+ LEN % ALIGN == 0. Return LEN if ALIGN is zero. */
+#define ROUND_UP(len, align) \
+ ((align) ? (((len) - 1UL) | ((align) - 1UL)) + 1UL : (len))
+
+
+#if defined GUILE_USE_64_CALLS && GUILE_USE_64_CALLS && defined(HAVE_STAT64)
+#define CHOOSE_LARGEFILE(foo,foo64) foo64
+#else
+#define CHOOSE_LARGEFILE(foo,foo64) foo
+#endif
+
+/* These names are a bit long, but they make it clear what they represent. */
+#if SCM_HAVE_STRUCT_DIRENT64 == 1
+# define dirent_or_dirent64 CHOOSE_LARGEFILE(dirent,dirent64)
+#else
+# define dirent_or_dirent64 dirent
+#endif
+#define fstat_or_fstat64 CHOOSE_LARGEFILE(fstat,fstat64)
+#define ftruncate_or_ftruncate64 CHOOSE_LARGEFILE(ftruncate,ftruncate64)
+#define lseek_or_lseek64 CHOOSE_LARGEFILE(lseek,lseek64)
+#define lstat_or_lstat64 CHOOSE_LARGEFILE(lstat,lstat64)
+#define off_t_or_off64_t CHOOSE_LARGEFILE(off_t,off64_t)
+#define open_or_open64 CHOOSE_LARGEFILE(open,open64)
+#define readdir_or_readdir64 CHOOSE_LARGEFILE(readdir,readdir64)
+#if SCM_HAVE_READDIR64_R == 1
+# define readdir_r_or_readdir64_r CHOOSE_LARGEFILE(readdir_r,readdir64_r)
+#else
+# define readdir_r_or_readdir64_r readdir_r
+#endif
+#define stat_or_stat64 CHOOSE_LARGEFILE(stat,stat64)
+#define truncate_or_truncate64 CHOOSE_LARGEFILE(truncate,truncate64)
+#define scm_from_off_t_or_off64_t CHOOSE_LARGEFILE(scm_from_off_t,scm_from_int64)
+#define scm_from_ino_t_or_ino64_t CHOOSE_LARGEFILE(scm_from_ulong,scm_from_uint64)
+#define scm_from_blkcnt_t_or_blkcnt64_t CHOOSE_LARGEFILE(scm_from_ulong,scm_from_uint64)
+#define scm_to_off_t_or_off64_t CHOOSE_LARGEFILE(scm_to_off_t,scm_to_int64)
+
+#if SIZEOF_OFF_T == 4
+# define scm_to_off_t scm_to_int32
+# define scm_from_off_t scm_from_int32
+#elif SIZEOF_OFF_T == 8
+# define scm_to_off_t scm_to_int64
+# define scm_from_off_t scm_from_int64
+#else
+# error sizeof(off_t) is not 4 or 8.
+#endif
+#define scm_to_off64_t scm_to_int64
+#define scm_from_off64_t scm_from_int64
+
+#if (defined __GNUC__)
+# define SCM_NOINLINE __attribute__ ((__noinline__))
+#else
+# define SCM_NOINLINE /* noinline */
+#endif
+
+/* The endianness marker in objcode. */
+#ifdef WORDS_BIGENDIAN
+# define SCM_OBJCODE_ENDIANNESS "BE"
+#else
+# define SCM_OBJCODE_ENDIANNESS "LE"
+#endif
+
+#define _SCM_CPP_STRINGIFY(x) # x
+#define SCM_CPP_STRINGIFY(x) _SCM_CPP_STRINGIFY (x)
+
+/* The word size marker in objcode. */
+#define SCM_OBJCODE_WORD_SIZE SCM_CPP_STRINGIFY (SIZEOF_VOID_P)
+
+/* Major and minor versions must be single characters. */
+#define SCM_OBJCODE_MAJOR_VERSION 2
+#define SCM_OBJCODE_MINOR_VERSION 0
+#define SCM_OBJCODE_MAJOR_VERSION_STRING \
+ SCM_CPP_STRINGIFY(SCM_OBJCODE_MAJOR_VERSION)
+#define SCM_OBJCODE_MINOR_VERSION_STRING \
+ SCM_CPP_STRINGIFY(SCM_OBJCODE_MINOR_VERSION)
+#define SCM_OBJCODE_VERSION_STRING \
+ SCM_OBJCODE_MAJOR_VERSION_STRING "." SCM_OBJCODE_MINOR_VERSION_STRING
+#define SCM_OBJCODE_MACHINE_VERSION_STRING \
+ SCM_OBJCODE_ENDIANNESS "-" SCM_OBJCODE_WORD_SIZE "-" SCM_OBJCODE_VERSION_STRING
+
+/* The objcode magic header. */
+#define SCM_OBJCODE_COOKIE \
+ "GOOF----" SCM_OBJCODE_MACHINE_VERSION_STRING
+#define SCM_OBJCODE_ENDIANNESS_OFFSET 8
+#define SCM_OBJCODE_WORD_SIZE_OFFSET 11
+
+
+#endif /* SCM__SCM_H */
+
+/*
+ Local Variables:
+ c-file-style: "gnu"
+ End:
+*/
HCoop / bpt / guile.git / blobdiff