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[emacs/old-mirror.git] / src / s / usg5-4-2.h
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1 /* s/ file for System V release 4.2. */
3 #include "usg5-4.h"
5 /* fnf@cygnus.com says these exist. */
6 #define HAVE_TCATTR
7 #if 0 /* autoconf should take care of this. */
8 #define HAVE_GETHOSTNAME
9 #define HAVE_RANDOM
10 #endif
11 /* #define HAVE_GETWD (appears to be buggy on SVR4.2) */
12 #undef HAVE_GETWD
14 /* Info from fnf@cygnus.com suggests this is appropriate. */
15 #define POSIX_SIGNALS
17 /* We don't need the definition from usg5-3.h with POSIX_SIGNALS. */
18 #undef sigsetmask
19 #undef HAVE_SYSV_SIGPAUSE
21 /* Motif needs -lgen. */
22 #undef LIBS_SYSTEM
23 #define LIBS_SYSTEM -lsocket -lnsl -lelf -lgen
25 /* This is the same definition as in usg5-4.h, but with sigblock/sigunblock
26 rather than sighold/sigrelse, which appear to be BSD4.1 specific and won't
27 work if POSIX_SIGNALS is defined. It may also be appropriate for SVR4.x
28 (x<2) but I'm not sure. fnf@cygnus.com */
29 /* This sets the name of the slave side of the PTY. On SysVr4,
30 grantpt(3) forks a subprocess, so keep sigchld_handler() from
31 intercepting that death. If any child but grantpt's should die
32 within, it should be caught after sigrelse(2). */
34 #undef PTY_TTY_NAME_SPRINTF
35 #define PTY_TTY_NAME_SPRINTF \
36 { \
37 char *ptsname(), *ptyname; \
39 sigblock(sigmask(SIGCLD)); \
40 if (grantpt(fd) == -1) \
41 fatal("could not grant slave pty"); \
42 sigunblock(sigmask(SIGCLD)); \
43 if (unlockpt(fd) == -1) \
44 fatal("could not unlock slave pty"); \
45 if (!(ptyname = ptsname(fd))) \
46 fatal ("could not enable slave pty"); \
47 strncpy(pty_name, ptyname, sizeof(pty_name)); \
48 pty_name[sizeof(pty_name) - 1] = 0; \
51 /* Use libw.a along with X11R6 Xt. */
52 #define NEED_LIBW
54 /* ryanr@ellingtn.ftc.nrcs.usda.gov (Richard Anthony Ryan) says -lXimp
55 is needed in UNIX_SV ... 4.2 1.1.2. */
56 #define LIB_MOTIF -lXm -lXimp
58 /* arch-tag: 9bbfcfc1-19be-45a1-9699-af57b87da2c6
59 (do not change this comment) */