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428
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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 /* No need to use sprintf to get the tty name--we get that from _getpty. */
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25 #ifdef PTY_TTY_NAME_SPRINTF
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26 #undef PTY_TTY_NAME_SPRINTF
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27 #endif
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28 #define PTY_TTY_NAME_SPRINTF
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29 /* No need to get the pty name at all. */
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30 #ifdef PTY_NAME_SPRINTF
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31 #undef PTY_NAME_SPRINTF
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32 #endif
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33 #define PTY_NAME_SPRINTF
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34 #ifdef emacs
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35 char *_getpty ();
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36 #endif
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37 /* We need only try once to open a pty. */
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38 #define PTY_ITERATION
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39 /* Here is how to do it. */
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40 /* It is necessary to prevent SIGCHLD signals within _getpty.
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41 So we block them. */
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42 #define PTY_OPEN \
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43 { \
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44 char *name; \
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45 struct stat stb; \
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46 EMACS_BLOCK_SIGCHLD; \
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47 name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0); \
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48 EMACS_UNBLOCK_SIGCHLD; \
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49 if (name == 0) \
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50 return -1; \
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51 if (fd < 0) \
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52 return -1; \
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53 if (fstat (fd, &stb) < 0) \
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54 return -1; \
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55 strcpy (pty_name, name); \
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56 }
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57
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58 /* jpff@maths.bath.ac.uk reports `struct exception' is not defined
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59 on this system, so inhibit use of matherr. */
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60 #define NO_MATHERR
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61
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62 /* Ulimit(UL_GMEMLIM) is busted... */
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63 #define ULIMIT_BREAK_VALUE 0x14000000
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64
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65 /* Tell process_send_signal to use VSUSP instead of VSWTCH. */
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66 #define PREFER_VSUSP
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67
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68 /* define MAIL_USE_FLOCK if the mailer uses flock
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69 to interlock access to /usr/spool/mail/$USER.
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70 The alternative is that a lock file named
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71 /usr/spool/mail/$USER.lock. */
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72
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73 #define MAIL_USE_FLOCK
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74
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75 /* use K&R C */
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76 /* XEmacs change -- use ANSI, not K&R */
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77 #ifndef __GNUC__
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78 #define C_SWITCH_SYSTEM "-xansi"
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79 #endif
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80
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81 /* jackr@engr.sgi.com says that you can't mix different kinds of
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82 signal-handling functions under IRIX 5.3. I'm going to assume
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83 that that was the reason this got broken. Now that the
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84 signal routines are fixed up, maybe this will work. --ben */
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85 /* Nope, it doesn't. I've tried lots of things; it must be
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86 genuinely broken. */
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87 /* XEmacs addition: People on IRIX 5.2 and IRIX 5.3 systems have
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88 reported that they can't break out of (while t) using C-g or C-G.
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89 This does not occur on other systems, so let's assume that SIGIO
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90 is broken on these systems. */
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91 #define BROKEN_SIGIO
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