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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 #define HAVE_ALLOCA
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9 #ifndef NOT_C_CODE
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10 #include <alloca.h>
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11 #endif
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12
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13 #undef NEED_SIOCTL
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14
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15 /* Make process_send_signal work by "typing" a signal character on the pty. */
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16 #define SIGNALS_VIA_CHARACTERS
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17
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18 /* use K&R C */
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19 /* XEmacs change -- use ANSI, not K&R */
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20 #ifndef __GNUC__
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21 #define C_SWITCH_SYSTEM -xansi
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22 #endif
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23
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24 /* SGI has all the fancy wait stuff, but we can't include sys/wait.h
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25 because it defines BIG_ENDIAN and LITTLE_ENDIAN (ugh!.) Instead
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26 we'll just define WNOHANG right here.
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27 (An implicit decl is good enough for wait3.) */
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28 /* [XEmacs: Now that we don't use BIG_ENDIAN/LITTLE_ENDIAN, it's safe
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29 to include wait.h. Should something change here?] */
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30
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31 #define WNOHANG 0x1
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32
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33 /* No need to use sprintf to get the tty name--we get that from _getpty. */
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34 #undef PTY_TTY_NAME_SPRINTF
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35 #define PTY_TTY_NAME_SPRINTF
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36 /* No need to get the pty name at all. */
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37 #define PTY_NAME_SPRINTF
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38 /* We need only try once to open a pty. */
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39 #define PTY_ITERATION
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40 /* Here is how to do it. */
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41 /* It is necessary to prevent SIGCHLD signals within _getpty.
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42 So we block them. */
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43 #define PTY_OPEN \
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44 { \
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45 char *name; \
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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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