]>
git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/util/testsuite_hooks.cc
3 // Utility subroutines for the C++ library testsuite.
5 // Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
6 // Free Software Foundation, Inc.
8 // This file is part of the GNU ISO C++ Library. This library is free
9 // software; you can redistribute it and/or modify it under the
10 // terms of the GNU General Public License as published by the
11 // Free Software Foundation; either version 3, or (at your option)
14 // This library is distributed in the hope that it will be useful,
15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 // GNU General Public License for more details.
19 // You should have received a copy of the GNU General Public License along
20 // with this library; see the file COPYING3. If not see
21 // <http://www.gnu.org/licenses/>.
24 #include <testsuite_hooks.h>
26 #ifdef _GLIBCXX_RES_LIMITS
29 #include <sys/resource.h>
41 // If we have <sys/types.h>, <sys/ipc.h>, and <sys/sem.h>, then assume
42 // that System V semaphores are available.
43 #if defined(_GLIBCXX_HAVE_SYS_TYPES_H) \
44 && defined(_GLIBCXX_HAVE_SYS_IPC_H) \
45 && defined(_GLIBCXX_HAVE_SYS_SEM_H)
46 #define _GLIBCXX_SYSV_SEM
49 #ifdef _GLIBCXX_SYSV_SEM
50 #include <sys/types.h>
57 #ifdef _GLIBCXX_RES_LIMITS
59 set_memory_limits(float size
)
62 // Cater to the absence of rlim_t.
63 __typeof__ (r
.rlim_cur
) limit
= (__typeof__ (r
.rlim_cur
))(size
* 1048576);
65 // Heap size, seems to be common.
66 #if _GLIBCXX_HAVE_LIMIT_DATA
67 getrlimit(RLIMIT_DATA
, &r
);
69 setrlimit(RLIMIT_DATA
, &r
);
73 #if _GLIBCXX_HAVE_LIMIT_RSS
74 getrlimit(RLIMIT_RSS
, &r
);
76 setrlimit(RLIMIT_RSS
, &r
);
79 // Mapped memory (brk + mmap).
80 #if _GLIBCXX_HAVE_LIMIT_VMEM
81 getrlimit(RLIMIT_VMEM
, &r
);
83 setrlimit(RLIMIT_VMEM
, &r
);
86 // Virtual memory. On x86_64-linux, the default is -z
87 // max-page-size=0x200000 which means up to 2MB of address space
88 // are accounted for PROT_NONE mappings between text and data
89 // segments of each shared library. There are 4 shared libs
90 // involved in addition to the dynamic linker, maybe 5 if libgomp
91 // is being used as well. Use at least 20MB address space limit.
92 #if defined(__x86_64__) && defined(__linux__)
97 // On HP-UX 11.23, a trivial C++ program that sets RLIMIT_AS to
98 // anything less than 128MB cannot "malloc" even 1K of memory.
99 // Therefore, we skip RLIMIT_AS on HP-UX.
100 #if _GLIBCXX_HAVE_LIMIT_AS && !defined(__hpux__)
101 getrlimit(RLIMIT_AS
, &r
);
103 setrlimit(RLIMIT_AS
, &r
);
109 set_memory_limits(float) { }
112 #ifdef _GLIBCXX_RES_LIMITS
114 set_file_limit(unsigned long size
)
116 #if _GLIBCXX_HAVE_LIMIT_FSIZE
118 // Cater to the absence of rlim_t.
119 __typeof__ (r
.rlim_cur
) limit
= (__typeof__ (r
.rlim_cur
))(size
);
121 getrlimit(RLIMIT_FSIZE
, &r
);
123 setrlimit(RLIMIT_FSIZE
, &r
);
129 set_file_limit(unsigned long) { }
133 verify_demangle(const char* mangled
, const char* wanted
)
136 const char* s
= abi::__cxa_demangle(mangled
, 0, 0, &status
);
142 s
= "error code = 0: success";
145 s
= "error code = -1: memory allocation failure";
148 s
= "error code = -2: invalid mangled name";
151 s
= "error code = -3: invalid arguments";
154 s
= "error code unknown - who knows what happened";
158 std::string
w(wanted
);
160 std::__throw_runtime_error(s
);
164 run_tests_wrapped_locale(const char* name
, const func_callback
& l
)
168 // Set the global locale.
169 locale loc_name
= locale(name
);
170 locale orig
= locale::global(loc_name
);
172 const char* res
= setlocale(LC_ALL
, name
);
175 string preLC_ALL
= res
;
176 const func_callback::test_type
* tests
= l
.tests();
177 for (int i
= 0; i
< l
.size(); ++i
)
179 string postLC_ALL
= setlocale(LC_ALL
, NULL
);
180 VERIFY( preLC_ALL
== postLC_ALL
);
184 string
s("LC_ALL for ");
186 __throw_runtime_error(s
.c_str());
191 run_tests_wrapped_env(const char* name
, const char* env
,
192 const func_callback
& l
)
196 #ifdef _GLIBCXX_HAVE_SETENV
197 // Set the global locale.
198 locale loc_name
= locale(name
);
199 locale orig
= locale::global(loc_name
);
201 // Set environment variable env to value in name.
202 const char* oldENV
= getenv(env
);
203 if (!setenv(env
, name
, 1))
205 const func_callback::test_type
* tests
= l
.tests();
206 for (int i
= 0; i
< l
.size(); ++i
)
208 setenv(env
, oldENV
? oldENV
: "", 1);
215 __throw_runtime_error(s
.c_str());
220 counter::size_type
counter::count
= 0;
221 unsigned int copy_constructor::count_
= 0;
222 unsigned int copy_constructor::throw_on_
= 0;
223 unsigned int assignment_operator::count_
= 0;
224 unsigned int assignment_operator::throw_on_
= 0;
225 unsigned int destructor::_M_count
= 0;
226 int copy_tracker::next_id_
= 0;
228 #ifdef _GLIBCXX_SYSV_SEM
229 // This union is not declared in system headers. Instead, it must
230 // be defined by user programs.
234 struct semid_ds
*buf
;
235 unsigned short *array
;
239 semaphore::semaphore()
241 #ifdef _GLIBCXX_SYSV_SEM
242 // Remeber the PID for the process that created the semaphore set
243 // so that only one process will destroy the set.
246 // GLIBC does not define SEM_R and SEM_A.
255 // Get a semaphore set with one semaphore.
256 sem_set_
= semget(IPC_PRIVATE
, 1, SEM_R
| SEM_A
);
258 std::__throw_runtime_error("could not obtain semaphore set");
260 // Initialize the semaphore.
263 if (semctl(sem_set_
, 0, SETVAL
, val
) == -1)
264 std::__throw_runtime_error("could not initialize semaphore");
266 // There are no semaphores on this system. We have no way to mark
267 // a test as "unsupported" at runtime, so we just exit, pretending
268 // that the test passed.
273 semaphore::~semaphore()
275 #ifdef _GLIBCXX_SYSV_SEM
277 val
.val
= 0; // Avoid uninitialized variable warning.
278 // Destroy the semaphore set only in the process that created it.
279 if (pid_
== getpid())
280 semctl(sem_set_
, 0, IPC_RMID
, val
);
287 #ifdef _GLIBCXX_SYSV_SEM
288 struct sembuf op
[1] =
292 if (semop(sem_set_
, op
, 1) == -1)
293 std::__throw_runtime_error("could not signal semaphore");
300 #ifdef _GLIBCXX_SYSV_SEM
301 struct sembuf op
[1] =
305 if (semop(sem_set_
, op
, 1) == -1)
306 std::__throw_runtime_error("could not wait for semaphore");
310 // For use in 22_locale/time_get and time_put.
312 test_tm(int sec
, int min
, int hour
, int mday
, int mon
,
313 int year
, int wday
, int yday
, int isdst
)
324 tmp
.tm_isdst
= isdst
;
327 } // namespace __gnu_test