1 #ifndef _U_H_
2 #define _U_H_ 1
3 #if defined(__cplusplus)
4 extern "C" {
5 #endif
6 
7 #define __BSD_VISIBLE 1 /* FreeBSD 5.x */
8 #if defined(__sun__)
9 #	define __EXTENSIONS__ 1 /* SunOS */
10 #	if defined(__SunOS5_6__) || defined(__SunOS5_7__) || defined(__SunOS5_8__)
11 		/* NOT USING #define __MAKECONTEXT_V2_SOURCE 1 / * SunOS */
12 #	else
13 #		define __MAKECONTEXT_V2_SOURCE 1
14 #	endif
15 #endif
16 #define _BSD_SOURCE 1
17 #define _NETBSD_SOURCE 1	/* NetBSD */
18 #define _SVID_SOURCE 1
19 #if !defined(__APPLE__) && !defined(__OpenBSD__)
20 #	define _XOPEN_SOURCE 1000
21 #	define _XOPEN_SOURCE_EXTENDED 1
22 #endif
23 #define _LARGEFILE64_SOURCE 1
24 #define _FILE_OFFSET_BITS 64
25 
26 #include <inttypes.h>
27 
28 #include <unistd.h>
29 #include <string.h>
30 #include <stdlib.h>
31 #include <stdarg.h>
32 #include <fcntl.h>
33 #include <assert.h>
34 #include <setjmp.h>
35 #include <stddef.h>
36 #include <math.h>
37 #include <ctype.h>	/* for tolower */
38 
39 /*
40  * OS-specific crap
41  */
42 #define _NEEDUCHAR 1
43 #define _NEEDUSHORT 1
44 #define _NEEDUINT 1
45 #define _NEEDULONG 1
46 
47 typedef long p9jmp_buf[sizeof(sigjmp_buf)/sizeof(long)];
48 
49 #if defined(__linux__)
50 #	include <sys/types.h>
51 #	if defined(__Linux26__)
52 #		include <pthread.h>
53 #		define PLAN9PORT_USING_PTHREADS 1
54 #	endif
55 #	if defined(__USE_MISC)
56 #		undef _NEEDUSHORT
57 #		undef _NEEDUINT
58 #		undef _NEEDULONG
59 #	endif
60 #elif defined(__sun__)
61 #	include <sys/types.h>
62 #	include <pthread.h>
63 #	define PLAN9PORT_USING_PTHREADS 1
64 #	undef _NEEDUSHORT
65 #	undef _NEEDUINT
66 #	undef _NEEDULONG
67 #	define nil 0	/* no cast to void* */
68 #elif defined(__FreeBSD__)
69 #	include <sys/types.h>
70 #	include <osreldate.h>
71 #	if __FreeBSD_version >= 500000
72 #		define PLAN9PORT_USING_PTHREADS 1
73 #		include <pthread.h>
74 #	endif
75 #	if !defined(_POSIX_SOURCE)
76 #		undef _NEEDUSHORT
77 #		undef _NEEDUINT
78 #	endif
79 #elif defined(__APPLE__)
80 #	include <sys/types.h>
81 #	include <pthread.h>
82 #	define PLAN9PORT_USING_PTHREADS 1
83 #	if __GNUC__ < 4
84 #		undef _NEEDUSHORT
85 #		undef _NEEDUINT
86 #	endif
87 #	undef _ANSI_SOURCE
88 #	undef _POSIX_C_SOURCE
89 #	undef _XOPEN_SOURCE
90 #	if !defined(NSIG)
91 #		define NSIG 32
92 #	endif
93 #	define _NEEDLL 1
94 #elif defined(__NetBSD__)
95 #	include <sched.h>
96 #	include <sys/types.h>
97 #	undef _NEEDUSHORT
98 #	undef _NEEDUINT
99 #	undef _NEEDULONG
100 #elif defined(__OpenBSD__)
101 #	include <sys/types.h>
102 #	undef _NEEDUSHORT
103 #	undef _NEEDUINT
104 #	undef _NEEDULONG
105 #else
106 	/* No idea what system this is -- try some defaults */
107 #	include <pthread.h>
108 #	define PLAN9PORT_USING_PTHREADS 1
109 #endif
110 
111 #ifndef O_DIRECT
112 #define O_DIRECT 0
113 #endif
114 
115 typedef signed char schar;
116 
117 #ifdef _NEEDUCHAR
118 	typedef unsigned char uchar;
119 #endif
120 #ifdef _NEEDUSHORT
121 	typedef unsigned short ushort;
122 #endif
123 #ifdef _NEEDUINT
124 	typedef unsigned int uint;
125 #endif
126 #ifdef _NEEDULONG
127 	typedef unsigned long ulong;
128 #endif
129 typedef unsigned long long uvlong;
130 typedef long long vlong;
131 
132 typedef uint64_t u64int;
133 typedef int64_t s64int;
134 typedef uint8_t u8int;
135 typedef int8_t s8int;
136 typedef uint16_t u16int;
137 typedef int16_t s16int;
138 typedef uintptr_t uintptr;
139 typedef uint32_t u32int;
140 typedef int32_t s32int;
141 
142 #undef _NEEDUCHAR
143 #undef _NEEDUSHORT
144 #undef _NEEDUINT
145 #undef _NEEDULONG
146 
147 /*
148  * Funny-named symbols to tip off 9l to autolink.
149  */
150 #define AUTOLIB(x)	static int __p9l_autolib_ ## x = 1;
151 #define AUTOFRAMEWORK(x) static int __p9l_autoframework_ ## x = 1;
152 
153 /*
154  * Gcc is too smart for its own good.
155  */
156 #if defined(__GNUC__)
157 #	if __GNUC__ >= 4 || (__GNUC__==3 && !defined(__APPLE_CC__))
158 #		undef AUTOLIB
159 #		define AUTOLIB(x) int __p9l_autolib_ ## x __attribute__ ((weak));
160 #		undef AUTOFRAMEWORK
161 #		define AUTOFRAMEWORK(x) int __p9l_autoframework_ ## x __attribute__ ((weak));
162 #	else
163 #		undef AUTOLIB
164 #		define AUTOLIB(x) static int __p9l_autolib_ ## x __attribute__ ((unused));
165 #		undef AUTOFRAMEWORK
166 #		define AUTOFRAMEWORK(x) static int __p9l_autoframework_ ## x __attribute__ ((unused));
167 #	endif
168 #endif
169 
170 #if defined(__cplusplus)
171 }
172 #endif
173 #endif