HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| 15d25dc0 DN |
1 | /* s/ file for Unixware. |
| 2 | ||
| 97efb629 GM |
3 | Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, |
| 4 | 2008, 2009, 2010 Free Software Foundation, Inc. | |
| 15d25dc0 DN |
5 | |
| 6 | This file is part of GNU Emacs. | |
| 7 | ||
| 8 | GNU Emacs is free software: you can redistribute it and/or modify | |
| 9 | it under the terms of the GNU General Public License as published by | |
| 10 | the Free Software Foundation, either version 3 of the License, or | |
| 11 | (at your option) any later version. | |
| 12 | ||
| 13 | GNU Emacs is distributed in the hope that it will be useful, | |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 | GNU General Public License for more details. | |
| 17 | ||
| 18 | You should have received a copy of the GNU General Public License | |
| 19 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ | |
| 20 | ||
| 21 | ||
| 1b231651 | 22 | #include "usg5-4-common.h" |
| 15d25dc0 DN |
23 | |
| 24 | /* fnf@cygnus.com says these exist. */ | |
| 25 | #define HAVE_TCATTR | |
| 26 | /* #define HAVE_GETWD (appears to be buggy on SVR4.2) */ | |
| 27 | #undef HAVE_GETWD | |
| 28 | ||
| 15d25dc0 DN |
29 | #undef HAVE_SYSV_SIGPAUSE |
| 30 | ||
| 1b231651 | 31 | /* This is the same definition as in usg5-4-common.h, but with sigblock/sigunblock |
| ef03a4e6 DN |
32 | rather than sighold/sigrelse, which appear to be BSD4.1 specific. |
| 33 | It may also be appropriate for SVR4.x | |
| 15d25dc0 DN |
34 | (x<2) but I'm not sure. fnf@cygnus.com */ |
| 35 | /* This sets the name of the slave side of the PTY. On SysVr4, | |
| 36 | grantpt(3) forks a subprocess, so keep sigchld_handler() from | |
| 37 | intercepting that death. If any child but grantpt's should die | |
| e05aebe9 | 38 | within, it should be caught after sigrelse(2). */ |
| 15d25dc0 DN |
39 | #define PTY_TTY_NAME_SPRINTF \ |
| 40 | { \ | |
| 41 | char *ptsname(), *ptyname; \ | |
| 42 | \ | |
| 43 | sigblock(sigmask(SIGCLD)); \ | |
| 44 | if (grantpt(fd) == -1) \ | |
| 45 | fatal("could not grant slave pty"); \ | |
| 46 | sigunblock(sigmask(SIGCLD)); \ | |
| 47 | if (unlockpt(fd) == -1) \ | |
| 48 | fatal("could not unlock slave pty"); \ | |
| 49 | if (!(ptyname = ptsname(fd))) \ | |
| 50 | fatal ("could not enable slave pty"); \ | |
| 51 | strncpy(pty_name, ptyname, sizeof(pty_name)); \ | |
| 52 | pty_name[sizeof(pty_name) - 1] = 0; \ | |
| 53 | } | |
| 54 | ||
| 03cbbcb8 | 55 | /* Data type of load average, as read out of kmem. */ |
| 03cbbcb8 DN |
56 | #define LOAD_AVE_TYPE long |
| 57 | ||
| 58 | /* Convert that into an integer that is 100 for a load average of 1.0 */ | |
| 59 | /* This is totally uncalibrated. */ | |
| 03cbbcb8 DN |
60 | #define LOAD_AVE_CVT(x) ((int) (((double) (x)) * 100.0 / FSCALE)) |
| 61 | #define FSCALE 256.0 | |
| 62 | ||
| 63 | ||
| b8098ef8 | 64 | #define PENDING_OUTPUT_COUNT(FILE) ((FILE)->__ptr - (FILE)->__base) |
| ab5796a9 MB |
65 | |
| 66 | /* arch-tag: d82e92e7-9443-4a60-a581-7f293cbae8a3 | |
| 67 | (do not change this comment) */ |