1/* vi:set ts=8 sts=4 sw=4:
2 *
3 * VIM - Vi IMproved	by Bram Moolenaar
4 *
5 * Do ":help uganda"  in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 */
8
9/*
10 * os_unixx.h -- include files that are only used in os_unix.c
11 */
12
13/*
14 * Stuff for signals
15 */
16#if defined(HAVE_SIGSET) && !defined(signal)
17# define signal sigset
18#endif
19
20   /* sun's sys/ioctl.h redefines symbols from termio world */
21#if defined(HAVE_SYS_IOCTL_H) && !defined(sun)
22# include <sys/ioctl.h>
23#endif
24
25#ifndef USE_SYSTEM	/* use fork/exec to start the shell */
26
27# if defined(HAVE_SYS_WAIT_H) || defined(HAVE_UNION_WAIT)
28#  include <sys/wait.h>
29# endif
30
31# ifndef WEXITSTATUS
32#  ifdef HAVE_UNION_WAIT
33#   define WEXITSTATUS(stat_val) ((stat_val).w_T.w_Retcode)
34#  else
35#   define WEXITSTATUS(stat_val) (((stat_val) >> 8) & 0377)
36#  endif
37# endif
38
39# ifndef WIFEXITED
40#  ifdef HAVE_UNION_WAIT
41#   define WIFEXITED(stat_val) ((stat_val).w_T.w_Termsig == 0)
42#  else
43#   define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
44#  endif
45# endif
46
47#endif /* !USE_SYSTEM */
48
49#ifdef HAVE_STROPTS_H
50#ifdef sinix
51#define buf_T __system_buf_t__
52#endif
53# include <stropts.h>
54#ifdef sinix
55#undef buf_T
56#endif
57#endif
58
59#ifdef HAVE_STRING_H
60# include <string.h>
61#endif
62
63#ifdef HAVE_SYS_STREAM_H
64# include <sys/stream.h>
65#endif
66
67#ifdef HAVE_SYS_UTSNAME_H
68# include <sys/utsname.h>
69#endif
70
71#ifdef HAVE_SYS_SYSTEMINFO_H
72/*
73 * foolish Sinix <sys/systeminfo.h> uses SYS_NMLN but doesn't include
74 * <limits.h>, where it is defined. Perhaps other systems have the same
75 * problem? Include it here. -- Slootman
76 */
77# if defined(HAVE_LIMITS_H) && !defined(_LIMITS_H)
78#  include <limits.h>		/* for SYS_NMLN (Sinix 5.41 / Unix SysV.4) */
79# endif
80
81/* Define SYS_NMLN ourselves if it still isn't defined (for CrayT3E). */
82# ifndef SYS_NMLN
83#  define SYS_NMLN 32
84# endif
85
86# include <sys/systeminfo.h>	/* for sysinfo */
87#endif
88
89/*
90 * We use termios.h if both termios.h and termio.h are available.
91 * Termios is supposed to be a superset of termio.h.  Don't include them both,
92 * it may give problems on some systems (e.g. hpux).
93 * I don't understand why we don't want termios.h for apollo.
94 */
95#if defined(HAVE_TERMIOS_H) && !defined(apollo)
96#  include <termios.h>
97#else
98# ifdef HAVE_TERMIO_H
99#  include <termio.h>
100# else
101#  ifdef HAVE_SGTTY_H
102#   include <sgtty.h>
103#  endif
104# endif
105#endif
106
107#ifdef HAVE_SYS_PTEM_H
108# include <sys/ptem.h>	/* must be after termios.h for Sinix */
109# ifndef _IO_PTEM_H	/* For UnixWare that should check for _IO_PT_PTEM_H */
110#  define _IO_PTEM_H
111# endif
112#endif
113
114/* shared library access */
115#if defined(HAVE_DLFCN_H) && defined(USE_DLOPEN)
116# ifdef __MVS__
117    /* needed to define RTLD_LAZY (Anthony Giorgio) */
118#  define __SUSV3
119# endif
120# include <dlfcn.h>
121#else
122# if defined(HAVE_DL_H) && defined(HAVE_SHL_LOAD)
123#  include <dl.h>
124# endif
125#endif
126