xref: /vim-8.2.3635/src/os_unixx.h (revision 843ee41e)
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 # if defined(HAVE_SYS_SELECT_H) && \
32 	(!defined(HAVE_SYS_TIME_H) || defined(SYS_SELECT_WITH_SYS_TIME))
33 #  include <sys/select.h>
34 # endif
35 
36 # ifndef WEXITSTATUS
37 #  ifdef HAVE_UNION_WAIT
38 #   define WEXITSTATUS(stat_val) ((stat_val).w_T.w_Retcode)
39 #  else
40 #   define WEXITSTATUS(stat_val) (((stat_val) >> 8) & 0377)
41 #  endif
42 # endif
43 
44 # ifndef WIFEXITED
45 #  ifdef HAVE_UNION_WAIT
46 #   define WIFEXITED(stat_val) ((stat_val).w_T.w_Termsig == 0)
47 #  else
48 #   define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
49 #  endif
50 # endif
51 
52 #endif /* !USE_SYSTEM */
53 
54 #ifdef HAVE_STROPTS_H
55 #ifdef sinix
56 #define buf_T __system_buf_t__
57 #endif
58 # include <stropts.h>
59 #ifdef sinix
60 #undef buf_T
61 #endif
62 #endif
63 
64 #ifdef HAVE_STRING_H
65 # include <string.h>
66 #endif
67 
68 #ifndef HAVE_SELECT
69 # ifdef HAVE_SYS_POLL_H
70 #  include <sys/poll.h>
71 # else
72 #  ifdef HAVE_POLL_H
73 #   include <poll.h>
74 #  endif
75 # endif
76 #endif
77 
78 #ifdef HAVE_SYS_STREAM_H
79 # include <sys/stream.h>
80 #endif
81 
82 #ifdef HAVE_SYS_UTSNAME_H
83 # include <sys/utsname.h>
84 #endif
85 
86 #ifdef HAVE_SYS_SYSTEMINFO_H
87 /*
88  * foolish Sinix <sys/systeminfo.h> uses SYS_NMLN but doesn't include
89  * <limits.h>, where it is defined. Perhaps other systems have the same
90  * problem? Include it here. -- Slootman
91  */
92 # if defined(HAVE_LIMITS_H) && !defined(_LIMITS_H)
93 #  include <limits.h>		/* for SYS_NMLN (Sinix 5.41 / Unix SysV.4) */
94 # endif
95 
96 /* Define SYS_NMLN ourselves if it still isn't defined (for CrayT3E). */
97 # ifndef SYS_NMLN
98 #  define SYS_NMLN 32
99 # endif
100 
101 # include <sys/systeminfo.h>	/* for sysinfo */
102 #endif
103 
104 /*
105  * We use termios.h if both termios.h and termio.h are available.
106  * Termios is supposed to be a superset of termio.h.  Don't include them both,
107  * it may give problems on some systems (e.g. hpux).
108  * I don't understand why we don't want termios.h for apollo.
109  */
110 #if defined(HAVE_TERMIOS_H) && !defined(apollo)
111 #  include <termios.h>
112 #else
113 # ifdef HAVE_TERMIO_H
114 #  include <termio.h>
115 # else
116 #  ifdef HAVE_SGTTY_H
117 #   include <sgtty.h>
118 #  endif
119 # endif
120 #endif
121 
122 #ifdef HAVE_SYS_PTEM_H
123 # include <sys/ptem.h>	/* must be after termios.h for Sinix */
124 # ifndef _IO_PTEM_H	/* For UnixWare that should check for _IO_PT_PTEM_H */
125 #  define _IO_PTEM_H
126 # endif
127 #endif
128 
129 /* shared library access */
130 #if defined(HAVE_DLFCN_H) && defined(USE_DLOPEN)
131 # include <dlfcn.h>
132 #else
133 # if defined(HAVE_DL_H) && defined(HAVE_SHL_LOAD)
134 #  include <dl.h>
135 # endif
136 #endif
137