summaryrefslogtreecommitdiff
path: root/ace/config-linux-common.h
blob: 9f057600645b5d1dbda65a9f44b45d52fe75c4c8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
/* -*- C++ -*- */
// $Id$

// Do not use this configuration file directly since it's designed to
// be included by another, specific configuration file, such as
// config-linux.h.  It provides config information common to all Linux
// platforms.  It automatically determines the CPU architecture,
// compiler (g++ or egcs), and libc (libc5 or glibc), and configures
// based on those.

#ifndef ACE_LINUX_COMMON_H
#define ACE_LINUX_COMMON_H
#include /**/ "ace/pre.h"

#define ACE_HAS_BYTESEX_H

#if ! defined (__ACE_INLINE__)
#define __ACE_INLINE__
#endif /* ! __ACE_INLINE__ */

// #ifndef _XOPEN_SOURCE
// #  define _XOPEN_SOURCE 600
// #endif /* _XOPEN_SOURCE */

// Needed to differentiate between libc 5 and libc 6 (aka glibc).
#include <features.h>

#if (defined _XOPEN_SOURCE && (_XOPEN_SOURCE - 0) >= 500)
#  define ACE_HAS_PTHREADS_UNIX98_EXT
#endif /* _XOPEN_SOURCE - 0 >= 500 */

#if (defined _POSIX_C_SOURCE && (_POSIX_C_SOURCE - 0) >= 199309L)
#  if !defined (ACE_HAS_CLOCK_GETTIME)
#    define ACE_HAS_CLOCK_GETTIME
#    define ACE_HAS_CLOCK_SETTIME
#  endif  /* !ACE_HAS_CLOCK_GETTIME */
#endif  /* _POSIX_C_SOURCE >= 199309L */

#if defined (ACE_HAS_LINUX_NPTL)
# include "ace/config-posix.h"

  // Temporary fix because NPTL kernels do have shm_open but there is a problem
  // with shm_open/shm_unlink pairing in ACE which  needs to be fixed when I have time.
# if defined (ACE_HAS_SHM_OPEN)
#   undef ACE_HAS_SHM_OPEN
# endif

# include <linux/version.h>

# if defined (ACE_USES_FIFO_SEM)
    // Don't use this for Linux NPTL since this has complete
    // POSIX semaphores which are more efficient
#   undef ACE_USES_FIFO_SEM
# endif /* ACE_USES_FIFO_SEM */

# if defined (ACE_HAS_POSIX_SEM)
    // Linux NPTL may not define the right POSIX macro
    // but they have the actual runtime support for this stuff
#   if !defined (ACE_HAS_POSIX_SEM_TIMEOUT) && (((_POSIX_C_SOURCE - 0) >= 200112L) || (_XOPEN_SOURCE >= 600))
#     define ACE_HAS_POSIX_SEM_TIMEOUT
#   endif /* !ACE_HAS_POSIX_SEM_TIMEOUT && (((_POSIX_C_SOURCE - 0) >= 200112L) || (_XOPEN_SOURCE >= 600)) */
# endif /* ACE_HAS_POSIX_SEM */
#endif /* ACE_HAS_LINUX_NPTL */

// First the machine specific part

#if defined (__powerpc__)
# if !defined (ACE_DEFAULT_BASE_ADDR)
#   define ACE_DEFAULT_BASE_ADDR ((char *) 0x40000000)
# endif /* ! ACE_DEFAULT_BASE_ADDR */
#elif defined (__ia64) || defined (__x86_64__)
# if !defined (ACE_DEFAULT_BASE_ADDR)
// Zero base address should work fine for Linux of IA-64: it just lets
// the kernel to choose the right value.
#   define ACE_DEFAULT_BASE_ADDR ((char *) 0x0000000000000000)
# endif /* ! ACE_DEFAULT_BASE_ADDR */
#endif /* ! __powerpc__  && ! __ia64 */

// Then glibc/libc5 specific parts

#if defined(__GLIBC__)
# define ACE_HAS_NONCONST_SETRLIMIT
# define ACE_HAS_RUSAGE_WHO_ENUM enum __rusage_who
# define ACE_HAS_RLIMIT_RESOURCE_ENUM enum __rlimit_resource
# define ACE_HAS_SOCKLEN_T
# define ACE_HAS_4_4BSD_SENDMSG_RECVMSG

  // glibc defines both of these, used in OS_String.
# if defined (_GNU_SOURCE)
#   define ACE_HAS_STRNLEN
#   define ACE_HAS_WCSNLEN

  // This is probably not a 100%-sure-fire check... Red Hat Linux 9
  // and Enterprise Linux 3 and up have a new kernel that can send signals
  // across threads. This was not possible prior because there was no real
  // difference between a process and a thread. With this, the
  // ACE_POSIX_SIG_Proactor is the only chance of getting asynch I/O working.
  // There are restrictions, such as all socket operations being silently
  // converted to synchronous by the kernel, that make aio a non-starter
  // for most Linux platforms at this time. But we'll start to crawl...
#   define ACE_POSIX_SIG_PROACTOR
# endif

  // To avoid the strangeness with Linux's ::select (), which modifies
  // its timeout argument, use ::poll () instead.
# define ACE_HAS_POLL

// Don't define _XOPEN_SOURCE and _XOPEN_SOURCE_EXTENDED in ACE to make
// getpgid() prototype visible.  ACE shouldn't depend on feature test
// macros to make prototypes visible.
# define ACE_LACKS_GETPGID_PROTOTYPE

// NOTE:  the following defines are necessary with glibc 2.0 (0.961212-5)
//        on Alpha.  I assume that they're necessary on Intel as well,
//        but that may depend on the version of glibc that is used.
//# define ACE_HAS_DLFCN_H_BROKEN_EXTERN_C
# define ACE_HAS_VOIDPTR_SOCKOPT
# define ACE_LACKS_SYSTIME_H

// Don't define _POSIX_SOURCE in ACE to make strtok() prototype
// visible.  ACE shouldn't depend on feature test macros to make
// prototypes visible.
# define ACE_LACKS_STRTOK_R_PROTOTYPE
// NOTE:  end of glibc 2.0 (0.961212-5)-specific configuration.

// These macros determined by reading <stdio.h> on RH 7.1 and glibc's
// <features.h>.
# if defined (_BSD_SOURCE) \
  || defined (_ISOC99_SOURCE) \
  || defined (_ISOC9X_SOURCE) \
  || (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) \
  || (defined _XOPEN_SOURCE && (_XOPEN_SOURCE - 0) >= 500)
#   define ACE_HAS_SNPRINTF
# endif

# if __GLIBC__ > 1 && __GLIBC_MINOR__ >= 1
    // These were suggested by Robert Hanzlik <robi@codalan.cz> to get
    // ACE to compile on Linux using glibc 2.1 and libg++/gcc 2.8.
#   undef ACE_HAS_BYTESEX_H
#   define ACE_HAS_SIGINFO_T
#   define ACE_LACKS_SIGINFO_H
#   define ACE_HAS_UCONTEXT_T

    // Pre-glibc (RedHat 5.2) doesn't have sigtimedwait.
#   define ACE_HAS_SIGTIMEDWAIT
# endif /* __GLIBC__ 2.1+ */
#else  /* ! __GLIBC__ */
    // Fixes a problem with some non-glibc versions of Linux...
#   define ACE_LACKS_MADVISE
#   define ACE_LACKS_MSG_ACCRIGHTS
#endif /* ! __GLIBC__ */

// Don't define _LARGEFILE64_SOURCE in ACE to make llseek() or
// lseek64() prototype visible.  ACE shouldn't depend on feature test
// macros to make prototypes visible.
#if __GLIBC__ > 1
#  if __GLIBC_MINOR__ == 0
#    define ACE_HAS_LLSEEK
#    define ACE_LACKS_LLSEEK_PROTOTYPE
#  else  /* __GLIBC_MINOR__ > 0 */
#    define ACE_HAS_LSEEK64
#    define ACE_LACKS_LSEEK64_PROTOTYPE
#  endif
#endif /* __GLIBC__ > 1 */

#if __GLIBC__ > 1 && __GLIBC_MINOR__ >= 1
# define ACE_HAS_P_READ_WRITE
# define ACE_LACKS_PREAD_PROTOTYPE
// Use ACE's alternate cuserid() implementation since the use of the
// system cuserid() is discouraged.
# define ACE_HAS_ALT_CUSERID
#endif /* __GLIBC__ > 1 && __GLIBC_MINOR__ >= 0 */

#if (__GLIBC__  > 2)  || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)
# define ACE_HAS_ISASTREAM_PROTO
# define ACE_HAS_PTHREAD_SIGMASK_PROTO
#endif /* __GLIBC__ > 2 || __GLIBC__ === 2 && __GLIBC_MINOR__ >= 3) */

// Then the compiler specific parts

#if defined (__GNUG__)
  // config-g++-common.h undef's ACE_HAS_STRING_CLASS with -frepo, so
  // this must appear before its #include.
# define ACE_HAS_STRING_CLASS
# include "ace/config-g++-common.h"
#define ACE_CC_NAME ACE_LIB_TEXT ("g++")
#define ACE_CC_MAJOR_VERSION __GNUC__
#define ACE_CC_MINOR_VERSION __GNUC_MINOR__
//#define ACE_CC_BETA_VERSION 0 /* ??? */
#elif defined (__KCC)
# define ACE_HAS_STRING_CLASS
# undef ACE_HAS_LLSEEK
# undef ACE_HAS_LSEEK64
# undef ACE_LACKS_LLSEEK_PROTOTYPE
# undef ACE_LACKS_LSEEK64_PROTOTYPE
# include "ace/config-kcc-common.h"
#elif defined (__DECCXX)
# define ACE_CONFIG_INCLUDE_CXX_COMMON
# include "ace/config-cxx-common.h"
#elif defined (__INTEL_COMPILER)
# include "ace/config-icc-common.h"
#elif defined (__BORLANDC__)
# undef ACE_HAS_LLSEEK
# undef ACE_HAS_LSEEK64
# undef ACE_LACKS_LLSEEK_PROTOTYPE
# undef ACE_LACKS_LSEEK64_PROTOTYPE
# include "ace/config-borland-common.h"
#elif defined (__PGI)
// Portable group compiler
# define ACE_HAS_CPLUSPLUS_HEADERS
# define ACE_HAS_STDCPP_STL_INCLUDES
# define ACE_HAS_TEMPLATE_TYPEDEFS
# define ACE_HAS_TYPENAME_KEYWORD
# define ACE_HAS_STANDARD_CPP_LIBRARY 1
# define ACE_USES_STD_NAMESPACE_FOR_STDCPP_LIB 1
# define ACE_LACKS_SWAB
# undef ACE_HAS_CLOCK_GETTIME
#else  /* ! __GNUG__ && ! __KCC && !__DECCXX && !__INTEL_COMPILER && !__BORLANDC__ && !__PGI */
# error unsupported compiler in ace/config-linux-common.h
#endif /* ! __GNUG__ && ! __KCC */

// Completely common part :-)

// Platform/compiler has the sigwait(2) prototype
# define ACE_HAS_SIGWAIT

# define ACE_HAS_SIGSUSPEND

#if __GLIBC__ >= 2
#ifndef ACE_HAS_POSIX_REALTIME_SIGNALS
#define ACE_HAS_POSIX_REALTIME_SIGNALS
#endif /* ACE_HAS_POSIX_REALTIME_SIGNALS */

#ifndef ACE_HAS_AIO_CALLS
#define ACE_HAS_AIO_CALLS
#endif /* ACE_HAS_AIO_CALLS */
#endif

#if __GLIBC__ >= 2
// glibc 2 and higher has wchar support
# define ACE_HAS_XPG4_MULTIBYTE_CHAR
#endif

#if __GLIBC__ < 2
// These are present in glibc 2 and higher
# define ACE_LACKS_WCSTOK
# define ACE_LACKS_WCSDUP_PROTOTYPE
#endif /* __GLIBC__ < 2 */

#define ACE_LACKS_ITOW
#define ACE_LACKS_WCSICMP
#define ACE_LACKS_WCSNICMP

#if __GLIBC__ >= 2
# define ACE_HAS_3_PARAM_WCSTOK
#endif

#if !defined (ACE_DEFAULT_BASE_ADDR)
#  define ACE_DEFAULT_BASE_ADDR ((char *) 0x80000000)
#endif /* ! ACE_DEFAULT_BASE_ADDR */

// Compiler/platform supports alloca().
// Although ACE does have alloca() on this compiler/platform combination, it is
// disabled by default since it can be dangerous.  Uncomment the following line
// if you ACE to use it.
//#define ACE_HAS_ALLOCA

// Compiler/platform has <alloca.h>
#define ACE_HAS_ALLOCA_H

// Compiler/platform has the getrusage() system call.
#define ACE_HAS_GETRUSAGE
#define ACE_HAS_GETRUSAGE_PROTOTYPE

#define ACE_HAS_CONSISTENT_SIGNAL_PROTOTYPES

// Optimize ACE_Handle_Set for select().
#define ACE_HAS_HANDLE_SET_OPTIMIZED_FOR_SELECT

// ONLY define this if you have config'd multicast into a 2.0.34 or
// prior kernel.  It is enabled by default in 2.0.35 kernels.
#if !defined (ACE_HAS_IP_MULTICAST)
# define ACE_HAS_IP_MULTICAST
#endif /* ! ACE_HAS_IP_MULTICAST */

// At least for IPv4, Linux lacks perfect filtering.
#if !defined ACE_LACKS_PERFECT_MULTICAST_FILTERING
# define ACE_LACKS_PERFECT_MULTICAST_FILTERING 1
#endif /* ACE_LACKS_PERFECT_MULTICAST_FILTERING */

#define ACE_HAS_BIG_FD_SET

// Linux defines struct msghdr in /usr/include/socket.h
#define ACE_HAS_MSG

// Linux "improved" the interface to select() so that it modifies
// the struct timeval to reflect the amount of time not slept
// (see NOTES in Linux's select(2) man page).
#define ACE_HAS_NONCONST_SELECT_TIMEVAL

#define ACE_HAS_TERM_IOCTLS

#define ACE_DEFAULT_MAX_SOCKET_BUFSIZ 65535

#define ACE_HAS_GETPAGESIZE 1

#if (__GLIBC__  < 2)  ||  (__GLIBC__ == 2 && __GLIBC_MINOR__ < 2)

// glibc supports wchar, but lacks fgetwc and ungetwc
#define ACE_LACKS_FGETWC
#define ACE_HAS_NONCONST_MSGSND

#endif

// glibc requires _XOPEN_SOURCE_EXTENDED to make this prototype
// visible, so force ACE to declare one.  Yuk!
#ifndef _XOPEN_SOURCE_EXTENDED
# define ACE_LACKS_MKSTEMP_PROTOTYPE
#endif  /* !_XOPEN_SOURCE_EXTENDED */

// Platform defines struct timespec but not timespec_t
#define ACE_LACKS_TIMESPEC_T

// Platform supplies scandir()
#define ACE_HAS_SCANDIR
#define ACE_SCANDIR_CMP_USES_VOIDPTR

//#define ACE_LACKS_STRRECVFD
#define ACE_HAS_STRBUF_T

//#define ACE_LACKS_MSYNC

// A conflict appears when including both <ucontext.h> and
// <sys/procfs.h> with recent glibc headers.
//#define ACE_HAS_PROC_FS

// Platform supports System V IPC (most versions of UNIX, but not Win32)
#define ACE_HAS_SYSV_IPC

// Compiler/platform contains the <sys/syscall.h> file.
#define ACE_HAS_SYS_SYSCALL_H

// Platform/compiler supports global timezone variable.
#define ACE_HAS_TIMEZONE

// Platform/compiler supports void * as second parameter to gettimeofday().
#define ACE_HAS_VOIDPTR_GETTIMEOFDAY

// Compiler/platform supports strerror ().
#define ACE_HAS_STRERROR

#define ACE_HAS_STRPTIME
// Don't define _XOPEN_SOURCE in ACE to make strptime() prototype
// visible.  ACE shouldn't depend on feature test macros to make
// prototypes visible.
#define ACE_LACKS_STRPTIME_PROTOTYPE

// Compiler supports the ssize_t typedef.
#define ACE_HAS_SSIZE_T

// Compiler/platform defines the sig_atomic_t typedef.
#define ACE_HAS_SIG_ATOMIC_T

// Compiler/platform defines a union semun for SysV shared memory.
#define ACE_HAS_SEMUN

#define ACE_HAS_POSIX_TIME

#define ACE_HAS_GPERF

#define ACE_HAS_DIRENT

#if defined (__ia64) || defined(__alpha) || defined (__x86_64__)
// On 64 bit platforms, the "long" type is 64-bits.  Override the
// default 32-bit platform-specific format specifiers appropriately.
# define ACE_UINT64_FORMAT_SPECIFIER ACE_LIB_TEXT ("%lu")
# define ACE_SSIZE_T_FORMAT_SPECIFIER ACE_LIB_TEXT ("%ld")
# define ACE_SIZE_T_FORMAT_SPECIFIER ACE_LIB_TEXT ("%lu")
#endif /* __ia64 */

#define ACE_SIZEOF_WCHAR 4

#define ACE_LACKS_GETIPNODEBYADDR
#define ACE_LACKS_GETIPNODEBYNAME

// Enables use of POSIX termios struct
#define ACE_USES_NEW_TERMIOS_STRUCT

#if !defined (ACE_GETNAME_RETURNS_RANDOM_SIN_ZERO)
// Detect if getsockname() and getpeername() returns random values in
// the sockaddr_in::sin_zero field by evaluation of the kernel
// version. Since version 2.5.47 this problem is fixed.
#include <linux/version.h>
#  if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,47))
#    define ACE_GETNAME_RETURNS_RANDOM_SIN_ZERO 0
#  else
#    define ACE_GETNAME_RETURNS_RANDOM_SIN_ZERO 1
#  endif  /* (LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,47)) */
#endif  /* ACE_GETNAME_RETURNS_RANDOM_SIN_ZERO */

#include /**/ "ace/post.h"

#endif /* ACE_LINUX_COMMON_H */