]> code.delx.au - gnu-emacs/blobdiff - src/s/irix5-0.h
(Fmove_to_column): Remove unused local variable `end_byte'.
[gnu-emacs] / src / s / irix5-0.h
index fe42458768aa1db3d44ecc420cccdd056f63162c..b2cdbeb0b8c5076d3fc41fb041302fa350b0ccd6 100644 (file)
@@ -1,27 +1,38 @@
-#include "s-usg5-4.h"
+#include "usg5-4.h"
+
+#define IRIX5
+
+#undef sigsetmask  /* use sys_sigsetmask */
+#undef _longjmp /* use system versions, not conservative aliases */
+#undef _setjmp 
+
+#define SETPGRP_RELEASES_CTTY
+
 #ifdef LIBS_SYSTEM
 #undef LIBS_SYSTEM
 #endif
 
+#ifdef LIB_STANDARD
+#undef LIB_STANDARD
+#endif
+
 #ifdef SYSTEM_TYPE
 #undef SYSTEM_TYPE
 #endif
-#define SYSTEM_TYPE "silicon-graphics-unix"
+#define SYSTEM_TYPE "irix"
 
 #ifdef SETUP_SLAVE_PTY
 #undef SETUP_SLAVE_PTY
 #endif
 
+/* thomas@mathematik.uni-bremen.de says this is needed.  */
+/* Make process_send_signal work by "typing" a signal character on the pty.  */
+#define SIGNALS_VIA_CHARACTERS
 
-/* Define HAVE_ALLOCA to say that the system provides a properly
-   working alloca function and it should be used. */
-#define HAVE_ALLOCA
-#undef C_ALLOCA
-#define alloca __builtin_alloca
-
-/* use K&R C */
+#ifndef NOT_C_CODE
 #ifndef __GNUC__
-#define C_SWITCH_MACHINE -cckr
+#include <alloca.h>
+#endif
 #endif
 
 /* SGI has all the fancy wait stuff, but we can't include sys/wait.h
@@ -47,18 +58,64 @@ char *_getpty();
 /* We need only try once to open a pty.  */
 #define PTY_ITERATION
 /* Here is how to do it.  */
-/* It is necessary to prevent SIGCHLD signals within _getpty.
-   So we block them. */
-#define PTY_OPEN                                               \
-{                                                              \
-  int mask = sigblock (sigmask (SIGCHLD));                     \
-  char *name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0);      \
-  sigsetmask(mask);                                            \
-  if (name == 0)                                               \
-    return -1;                                                 \
-  if (fd < 0)                                                  \
-    return -1;                                                 \
-  if (fstat (fd, &stb) < 0)                                    \
-    return -1;                                                 \
-  strcpy (pty_name, name);                                     \
+#define PTY_OPEN                                           \
+{                                                          \
+  struct sigaction ocstat, cstat;                          \
+  char * name;                                             \
+  sigemptyset(&cstat.sa_mask);                             \
+  cstat.sa_handler = SIG_DFL;                              \
+  cstat.sa_flags = 0;                                      \
+  sigaction(SIGCLD, &cstat, &ocstat);                      \
+  name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0);        \
+  sigaction(SIGCLD, &ocstat, (struct sigaction *)0);       \
+  if (name == 0)                                           \
+    return -1;                                             \
+  if (fd < 0)                                              \
+    return -1;                                             \
+  if (fstat (fd, &stb) < 0)                                \
+    return -1;                                             \
+  strcpy (pty_name, name);                                 \
 }
+
+/* Since we use POSIX constructs in PTY_OPEN, we must force POSIX
+   throughout. */
+#define POSIX_SIGNALS  
+
+/* Info from simon@lia.di.epfl.ch (Simon Leinen) suggests this is needed.  */
+#define GETPGRP_NO_ARG
+
+/* Ulimit(UL_GMEMLIM) is busted...  */
+#define ULIMIT_BREAK_VALUE 0x14000000
+
+/* Tell process_send_signal to use VSUSP instead of VSWTCH.  */
+#define PREFER_VSUSP
+
+/* define MAIL_USE_FLOCK if the mailer uses flock
+   to interlock access to /usr/spool/mail/$USER.
+   The alternative is that a lock file named
+   /usr/spool/mail/$USER.lock.  */
+
+#define MAIL_USE_FLOCK
+
+/* use K&R C */
+#if 0
+#ifndef __GNUC__
+#define C_SWITCH_SYSTEM -cckr
+#endif
+#endif
+
+/* -g used not to work on Irix unless you used gas, and since gcc
+   warns if you use it, turn off the warning.  */
+/* -g does now work, at least on recent Irix 6 versions with gcc 2.95;
+    I'm not sure about Irix 5 -- fx  */
+#ifdef __GNUC__
+#define C_DEBUG_SWITCH
+#endif
+
+/* Prevent the variable ospeed from being defined by -lcurses
+   because it defines it with too few bytes.  */
+#define ospeed ospeed_
+
+#define NARROWPROTO 1
+
+#define USE_MMAP_FOR_BUFFERS 1