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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 "irix3-3.h"
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4
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5 #define USG5_3
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6 #define IRIX4
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7
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8 #undef NEED_SIOCTL
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9
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10 /* use K&R C */
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11 /* XEmacs change -- use ANSI, not K&R */
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12 #ifndef __GNUC__
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13 #define C_SWITCH_SYSTEM "-xansi"
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14 #endif
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15
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16 /* SGI has all the fancy wait stuff, but we can't include sys/wait.h
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17 because it defines BIG_ENDIAN and LITTLE_ENDIAN (ugh!.) Instead
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18 we'll just define WNOHANG right here.
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19 (An implicit decl is good enough for wait3.) */
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20 /* [XEmacs: Now that we don't use BIG_ENDIAN/LITTLE_ENDIAN, it's safe
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21 to include wait.h. Should something change here?] */
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22
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23 #define WNOHANG 0x1
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24
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25 /* No need to use sprintf to get the tty name--we get that from _getpty. */
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26 #undef PTY_TTY_NAME_SPRINTF
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27 #define PTY_TTY_NAME_SPRINTF
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28 /* No need to get the pty name at all. */
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29 #define PTY_NAME_SPRINTF
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30 /* We need only try once to open a pty. */
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31 #define PTY_ITERATION
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32 /* Here is how to do it. */
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33 /* It is necessary to prevent SIGCHLD signals within _getpty.
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34 So we block them. */
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35 #define PTY_OPEN \
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36 { \
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37 char *name; \
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38 struct stat stb; \
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39 EMACS_BLOCK_SIGCHLD; \
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40 name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0); \
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41 EMACS_UNBLOCK_SIGCHLD; \
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42 if (name == 0) \
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43 return -1; \
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44 if (fd < 0) \
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45 return -1; \
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46 if (fstat (fd, &stb) < 0) \
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47 return -1; \
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48 strcpy (pty_name, name); \
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49 }
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50
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51 /* jpff@maths.bath.ac.uk reports `struct exception' is not defined
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52 on this system, so inhibit use of matherr. */
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53 #define NO_MATHERR
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