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1 /* Synched up with: FSF 19.31. */
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2
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3 #include "usg5-4.h"
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4
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5 #define IRIX5
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6
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7 #ifdef LIBS_SYSTEM
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8 #undef LIBS_SYSTEM
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9 #endif
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10
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11 #ifdef LIB_STANDARD
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12 #undef LIB_STANDARD
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13 #endif
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14
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15 #ifdef SYSTEM_TYPE
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16 #undef SYSTEM_TYPE
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17 #endif
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18 #define SYSTEM_TYPE "irix"
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19
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20 #ifdef SETUP_SLAVE_PTY
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21 #undef SETUP_SLAVE_PTY
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22 #endif
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23
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24 /* thomas@mathematik.uni-bremen.de says this is needed. */
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25 /* Make process_send_signal work by "typing" a signal character on the pty. */
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26 #define SIGNALS_VIA_CHARACTERS
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27
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28 /* Define HAVE_ALLOCA to say that the system provides a properly
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29 working alloca function and it should be used. */
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30 #define HAVE_ALLOCA
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31 #undef C_ALLOCA
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32
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33 #ifndef NOT_C_CODE
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34 #ifndef __GNUC__
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35 #include <alloca.h>
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36 #endif
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37 #endif
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38
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39 /* SGI has all the fancy wait stuff, but we can't include sys/wait.h
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40 because it defines BIG_ENDIAN and LITTLE_ENDIAN (ugh!.) Instead
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41 we'll just define WNOHANG right here.
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42 (An implicit decl is good enough for wait3.) */
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43 /* [XEmacs: Now that we don't use BIG_ENDIAN/LITTLE_ENDIAN, it's safe
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44 to include wait.h. Should something change here?] */
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45
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46 /* #define WNOHANG 0x1 */
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47
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48 /* No need to use sprintf to get the tty name--we get that from _getpty. */
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49 #ifdef PTY_TTY_NAME_SPRINTF
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50 #undef PTY_TTY_NAME_SPRINTF
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51 #endif
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52 #define PTY_TTY_NAME_SPRINTF
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53 /* No need to get the pty name at all. */
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54 #ifdef PTY_NAME_SPRINTF
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55 #undef PTY_NAME_SPRINTF
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56 #endif
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57 #define PTY_NAME_SPRINTF
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58 #ifdef emacs
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59 char *_getpty ();
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60 #endif
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61 /* We need only try once to open a pty. */
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62 #define PTY_ITERATION
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63 /* Here is how to do it. */
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64 /* It is necessary to prevent SIGCHLD signals within _getpty.
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65 So we block them. */
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66 #define PTY_OPEN \
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67 { \
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68 char *name; \
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69 EMACS_BLOCK_SIGCHLD; \
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70 name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0); \
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71 EMACS_UNBLOCK_SIGCHLD; \
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72 if (name == 0) \
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73 return -1; \
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74 if (fd < 0) \
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75 return -1; \
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76 if (fstat (fd, &stb) < 0) \
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77 return -1; \
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78 strcpy (pty_name, name); \
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79 }
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80
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81 /* jpff@maths.bath.ac.uk reports `struct exception' is not defined
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82 on this system, so inhibit use of matherr. */
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83 #define NO_MATHERR
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84
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85 /* Info from simon@lia.di.epfl.ch (Simon Leinen) suggests this is needed. */
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86 #define GETPGRP_NO_ARG
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87
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88 /* Ulimit(UL_GMEMLIM) is busted... */
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89 #define ULIMIT_BREAK_VALUE 0x14000000
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90
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91 /* Tell process_send_signal to use VSUSP instead of VSWTCH. */
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92 #define PREFER_VSUSP
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93
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94 /* Because unexelfsgi.c cannot handle a ".sbss" section yet, we must
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95 tell the linker to avoid making one. SGI's cc does this by
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96 default, but GCC (at least 2.5.8 and 2.6.0) doesn't. */
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97 #ifdef __GNUC__
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98 #define LD_SWITCH_SYSTEM -G 0
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99 #endif
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100
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101 /* define MAIL_USE_FLOCK if the mailer uses flock
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102 to interlock access to /usr/spool/mail/$USER.
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103 The alternative is that a lock file named
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104 /usr/spool/mail/$USER.lock. */
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105
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106 #define MAIL_USE_FLOCK
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107
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108 /* use K&R C */
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109 /* XEmacs change -- use ANSI, not K&R */
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110 #ifndef __GNUC__
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111 #define C_SWITCH_SYSTEM -xansi
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112 #endif
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113
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114 /* jackr@engr.sgi.com says that you can't mix different kinds of
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115 signal-handling functions under IRIX 5.3. I'm going to assume
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116 that that was the reason this got broken. Now that the
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117 signal routines are fixed up, maybe this will work. --ben */
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118 /* Nope, it doesn't. I've tried lots of things; it must be
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119 genuinely broken. */
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120 /* XEmacs addition: People on IRIX 5.2 and IRIX 5.3 systems have
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121 reported that they can't break out of (while t) using C-g or C-G.
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122 This does not occur on other systems, so let's assume that SIGIO
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123 is broken on these systems. */
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124 #define BROKEN_SIGIO
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