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Diffstat (limited to 'pthreads/tests/loadfree.c')
-rw-r--r-- | pthreads/tests/loadfree.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/pthreads/tests/loadfree.c b/pthreads/tests/loadfree.c new file mode 100644 index 000000000..65bb15c7b --- /dev/null +++ b/pthreads/tests/loadfree.c @@ -0,0 +1,70 @@ +/* + * + * + * -------------------------------------------------------------------------- + * + * Pthreads-win32 - POSIX Threads Library for Win32 + * Copyright(C) 1998 John E. Bossom + * Copyright(C) 1999,2005 Pthreads-win32 contributors + * + * Contact Email: rpj@callisto.canberra.edu.au + * + * The current list of contributors is contained + * in the file CONTRIBUTORS included with the source + * code distribution. The list can also be seen at the + * following World Wide Web location: + * http://sources.redhat.com/pthreads-win32/contributors.html + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library in the file COPYING.LIB; + * if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + * + * -------------------------------------------------------------------------- + * From: Todd Owen <towen@lucidcalm.dropbear.id.au> + * To: pthreads-win32@sourceware.cygnus.com + * Subject: invalid page fault when using LoadLibrary/FreeLibrary + * + * hi, + * for me, pthread.dll consistently causes an "invalid page fault in + * kernel32.dll" when I load it "explicitly"...to be precise, loading (with + * LoadLibrary) isn't a problem, it gives the error when I call FreeLibrary. + * I guess that the dll's cleanup must be causing the error. + * + * Implicit linkage of the dll has never given me this problem. Here's a + * program (console application) that gives me the error. + * + * I compile with: mingw32 (gcc-2.95 release), with the MSVCRT add-on (not + * that the compiler should make much difference in this case). + * PTHREAD.DLL: is the precompiled 1999-11-02 one (I tried an older one as + * well, with the same result). + * + * Fascinatingly, if you have your own dll (mycode.dll) which implicitly + * loads pthread.dll, and then do LoadLibrary/FreeLibrary on _this_ dll, the + * same thing happens. + * + */ + +#include "test.h" + +int main() { + HINSTANCE hinst; + + assert((hinst = LoadLibrary("pthread")) != (HINSTANCE) 0); + + Sleep(100); + + FreeLibrary(hinst); + return 0; +} + |