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