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authorKenichi Handa2012-07-17 07:25:00 +0900
committerKenichi Handa2012-07-17 07:25:00 +0900
commit69c41c4070c86baac11a627e9c3d366420aeb7cc (patch)
treee07fda92570b5e4f264c9a7869b57960940008f0 /src/s/gnu-linux.h
parent8c536f15bf95916d56bb50495d22b7da7e09fff9 (diff)
parent758e556a7ab8f61c007e34310ba399a9aaf15362 (diff)
downloademacs-69c41c4070c86baac11a627e9c3d366420aeb7cc.tar.gz
emacs-69c41c4070c86baac11a627e9c3d366420aeb7cc.zip
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Diffstat (limited to 'src/s/gnu-linux.h')
-rw-r--r--src/s/gnu-linux.h143
1 files changed, 0 insertions, 143 deletions
diff --git a/src/s/gnu-linux.h b/src/s/gnu-linux.h
index 409d0205520..2847fd6d19c 100644
--- a/src/s/gnu-linux.h
+++ b/src/s/gnu-linux.h
@@ -20,146 +20,3 @@ GNU General Public License for more details.
20You should have received a copy of the GNU General Public License 20You should have received a copy of the GNU General Public License
21along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ 21along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
22 22
23/* Define symbols to identify the version of Unix this is.
24 Define all the symbols that apply correctly. */
25#define USG
26#define GNU_LINUX
27
28/* SYSTEM_TYPE should indicate the kind of system you are using.
29 It sets the Lisp variable system-type. */
30#define SYSTEM_TYPE "gnu/linux" /* All the best software is free. */
31
32#ifdef emacs
33#ifdef HAVE_LINUX_VERSION_H
34#include <linux/version.h>
35
36#if LINUX_VERSION_CODE >= 0x20400
37/* 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works. */
38#define SIGNALS_VIA_CHARACTERS
39#endif /* LINUX_VERSION_CODE >= 0x20400 */
40#endif /* HAVE_LINUX_VERSION_H */
41#endif /* emacs */
42
43#if defined HAVE_GRANTPT
44#define UNIX98_PTYS
45
46/* Run only once. We need a `for'-loop because the code uses `continue'. */
47#define PTY_ITERATION int i; for (i = 0; i < 1; i++)
48
49#ifdef HAVE_GETPT
50#define PTY_NAME_SPRINTF
51#define PTY_OPEN fd = getpt ()
52#else /* not HAVE_GETPT */
53#define PTY_NAME_SPRINTF strcpy (pty_name, "/dev/ptmx");
54#endif /* not HAVE_GETPT */
55
56/* Note that grantpt and unlockpt may fork. We must block SIGCHLD to
57 prevent sigchld_handler from intercepting the child's death. */
58#define PTY_TTY_NAME_SPRINTF \
59 { \
60 char *ptyname; \
61 \
62 sigblock (sigmask (SIGCHLD)); \
63 if (grantpt (fd) == -1 || unlockpt (fd) == -1 \
64 || !(ptyname = ptsname(fd))) \
65 { \
66 sigunblock (sigmask (SIGCHLD)); \
67 close (fd); \
68 return -1; \
69 } \
70 strncpy (pty_name, ptyname, sizeof (pty_name)); \
71 pty_name[sizeof (pty_name) - 1] = 0; \
72 sigunblock (sigmask (SIGCHLD)); \
73 }
74
75#else /* not HAVE_GRANTPT */
76
77/* Letter to use in finding device name of first pty,
78 if system supports pty's. 'p' means it is /dev/ptyp0 */
79#define FIRST_PTY_LETTER 'p'
80
81#endif /* not HAVE_GRANTPT */
82
83/* Define HAVE_PTYS if the system supports pty devices. */
84#define HAVE_PTYS
85
86#define HAVE_SOCKETS
87
88/* This is used in list_system_processes. */
89#define HAVE_PROCFS 1
90
91/* Define CLASH_DETECTION if you want lock files to be written
92 so that Emacs can tell instantly when you try to modify
93 a file that someone else has modified in his Emacs. */
94#define CLASH_DETECTION
95
96/* Here, on a separate page, add any special hacks needed
97 to make Emacs work on this system. For example,
98 you might define certain system call names that don't
99 exist on your system, or that do different things on
100 your system and must be used only through an encapsulation
101 (Which you should place, by convention, in sysdep.c). */
102
103/* This is needed for dispnew.c:update_frame. */
104#ifdef emacs
105#include <stdio.h> /* Get the definition of _IO_STDIO_H. */
106#if defined (_IO_STDIO_H) || defined (_STDIO_USES_IOSTREAM)
107/* New C libio names. */
108#define GNU_LIBRARY_PENDING_OUTPUT_COUNT(FILE) \
109 ((FILE)->_IO_write_ptr - (FILE)->_IO_write_base)
110#elif defined (__UCLIBC__)
111/* Using the uClibc library. */
112#define GNU_LIBRARY_PENDING_OUTPUT_COUNT(FILE) \
113 ((FILE)->__bufpos - (FILE)->__bufstart)
114#else /* !_IO_STDIO_H && ! __UCLIBC__ */
115/* Old C++ iostream names. */
116#define GNU_LIBRARY_PENDING_OUTPUT_COUNT(FILE) \
117 ((FILE)->_pptr - (FILE)->_pbase)
118#endif /* !_IO_STDIO_H && ! __UCLIBC__ */
119
120#define INTERRUPT_INPUT
121#endif /* emacs */
122
123#define POSIX /* affects getpagesize.h and systty.h */
124
125/* This is to work around mysterious gcc failures in some system versions.
126 It is unlikely that Emacs changes will work around this problem;
127 therefore, this should remain permanently. */
128#ifndef HAVE_XRMSETDATABASE
129#define HAVE_XRMSETDATABASE
130#endif
131
132#define NARROWPROTO 1
133
134/* Tell that garbage collector that setjmp is known to save all
135 registers relevant for conservative garbage collection in the jmp_buf. */
136/* Not all the architectures are tested, but there are Debian packages
137 for SCM and/or Guile on them, so the technique must work. See also
138 comments in alloc.c concerning setjmp and gcc. Fixme: it's
139 probably safe to make this conditional just on GCC, except for ia64
140 register window-flushing. */
141/* Don't use #cpu here since in newest development versions of GCC,
142 we must call cpp with -traditional, and that disables #cpu. */
143#if defined __i386__ || defined __sparc__ || defined __mc68000__ \
144 || defined __alpha__ || defined __mips__ || defined __s390__ \
145 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
146 || defined __ia64__ || defined __sh__
147#define GC_SETJMP_WORKS 1
148#ifdef __ia64__
149#define GC_MARK_SECONDARY_STACK() \
150 do { \
151 extern void *__libc_ia64_register_backing_store_base; \
152 __builtin_ia64_flushrs (); \
153 mark_memory (__libc_ia64_register_backing_store_base, \
154 __builtin_ia64_bsp ()); \
155 } while (0)
156#endif
157#else
158#define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE
159#endif
160
161#ifdef __i386__
162/* libc-linux/sysdeps/linux/i386/ulimit.c says that due to shared library, */
163/* we cannot get the maximum address for brk */
164# define ULIMIT_BREAK_VALUE (32*1024*1024)
165#endif