X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/0c382083b6b550c26fad8ac7f59b1ba09663e728..c43fb4c32df6393a3e001151693b8ce28f860976:/src/s/gnu-linux.h

diff --git a/src/s/gnu-linux.h b/src/s/gnu-linux.h
index 9327423b42..b4031bb1ca 100644
--- a/src/s/gnu-linux.h
+++ b/src/s/gnu-linux.h
@@ -1,7 +1,7 @@
 /* This file is the configuration file for Linux-based GNU systems
 
-Copyright (C) 1985, 1986, 1992, 1994, 1996, 1999, 2001, 2002, 2003, 2004,
-  2005, 2006, 2007, 2008, 2009, 2010  Free Software Foundation, Inc.
+Copyright (C) 1985-1986, 1992, 1994, 1996, 1999, 2001-2012
+  Free Software Foundation, Inc.
 
 This file was put together by Michael K. Johnson and Rik Faith.
 
@@ -25,26 +25,11 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #define USG
 #define GNU_LINUX
 
-/* SYSTEM_TYPE should indicate the kind of system you are using.
-   It sets the Lisp variable system-type.  */
-#define SYSTEM_TYPE "gnu/linux"		/* All the best software is free. */
-
-#ifdef emacs
-#ifdef HAVE_LINUX_VERSION_H
-#include <linux/version.h>
-
-#if LINUX_VERSION_CODE >= 0x20400
-/* 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.  */
-#define SIGNALS_VIA_CHARACTERS
-#endif /* LINUX_VERSION_CODE >= 0x20400 */
-#endif /* HAVE_LINUX_VERSION_H */
-#endif /* emacs */
-
 #if defined HAVE_GRANTPT
 #define UNIX98_PTYS
 
 /* Run only once.  We need a `for'-loop because the code uses `continue'.  */
-#define PTY_ITERATION	for (i = 0; i < 1; i++)
+#define PTY_ITERATION	int i; for (i = 0; i < 1; i++)
 
 #ifdef HAVE_GETPT
 #define PTY_NAME_SPRINTF
@@ -67,8 +52,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 	close (fd);					\
 	return -1;					\
       }							\
-    strncpy (pty_name, ptyname, sizeof (pty_name));	\
-    pty_name[sizeof (pty_name) - 1] = 0;		\
+    snprintf (pty_name, sizeof pty_name, "%s", ptyname); \
     sigunblock (sigmask (SIGCHLD));			\
   }
 
@@ -85,14 +69,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #define HAVE_SOCKETS
 
-/* This is used in list_system_processes.  */
-#define HAVE_PROCFS 1
-
-/* Define CLASH_DETECTION if you want lock files to be written
-   so that Emacs can tell instantly when you try to modify
-   a file that someone else has modified in his Emacs.  */
-#define CLASH_DETECTION
-
 /* Here, on a separate page, add any special hacks needed
    to make Emacs work on this system.  For example,
    you might define certain system call names that don't
@@ -100,26 +76,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
    your system and must be used only through an encapsulation
    (Which you should place, by convention, in sysdep.c).  */
 
-/* This is needed for dispnew.c:update_frame.  */
-#ifdef emacs
-#include <stdio.h>  /* Get the definition of _IO_STDIO_H.  */
-#if defined(_IO_STDIO_H) || defined(_STDIO_USES_IOSTREAM)
-/* New C libio names.  */
-#define GNU_LIBRARY_PENDING_OUTPUT_COUNT(FILE) \
-  ((FILE)->_IO_write_ptr - (FILE)->_IO_write_base)
-#elif defined (__UCLIBC__)
-/* Using the uClibc library.  */
-#define GNU_LIBRARY_PENDING_OUTPUT_COUNT(FILE) \
-  ((FILE)->__bufpos - (FILE)->__bufstart)
-#else /* !_IO_STDIO_H && ! __UCLIBC__ */
-/* Old C++ iostream names.  */
-#define GNU_LIBRARY_PENDING_OUTPUT_COUNT(FILE) \
-  ((FILE)->_pptr - (FILE)->_pbase)
-#endif /* !_IO_STDIO_H && ! __UCLIBC__ */
-
-#define INTERRUPT_INPUT
-#endif /* emacs */
-
 #define POSIX                 /* affects getpagesize.h and systty.h */
 
 /* This is to work around mysterious gcc failures in some system versions.
@@ -145,20 +101,21 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
     || defined __arm__ || defined __powerpc__ || defined __amd64__ \
     || defined __ia64__ || defined __sh__
 #define GC_SETJMP_WORKS 1
-#define GC_MARK_STACK GC_MAKE_GCPROS_NOOPS
-#ifdef __mc68000__
-#define GC_LISP_OBJECT_ALIGNMENT 2
-#endif
 #ifdef __ia64__
 #define GC_MARK_SECONDARY_STACK()				\
   do {								\
     extern void *__libc_ia64_register_backing_store_base;	\
     __builtin_ia64_flushrs ();					\
     mark_memory (__libc_ia64_register_backing_store_base,	\
-		 __builtin_ia64_bsp (), 0);			\
+		 __builtin_ia64_bsp ());			\
   } while (0)
 #endif
+#else
+#define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE
 #endif
 
-/* arch-tag: 6244ea2a-abd0-44ec-abec-ff3dcc9afea9
-   (do not change this comment) */
+#ifdef __i386__
+/* libc-linux/sysdeps/linux/i386/ulimit.c says that due to shared library, */
+/* we cannot get the maximum address for brk */
+# define ULIMIT_BREAK_VALUE (32*1024*1024)
+#endif