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On Jul 14 19:42, Ken Brown wrote: > I'm getting a core dump on exit from a program that does nothing but call > dlopen. (But the call to dlopen succeeds.) This happens only in the 32-bit > case. Here's a simple test case. > > $ cat test_dlopen.c > #include <stdio.h> > #include <dlfcn.h> > int > main() > { > const char *dllname = "cyggs-9.dll"; > void *handle; > printf ("Trying to dlopen %s...", dllname); > handle = dlopen (dllname, RTLD_LAZY); > if (handle) > { > printf ("succeeded.\n"); > return 0; > } > else > { > printf ("failed.\n"); > return 1; > } > } > > $ gcc test_dlopen.c > > $ ./a > Trying to dlopen cyggs-9.dll...succeeded. > Aborted (core dumped) The crash occurs when calling the destructors from do_global_dtors. The crash address points to a crash inside a destructor of libgcc (actually cyggcc_1-1.dll) which has been pulled in by cyggs-9.dll. What destructor in libgcc would that be? And what is it expecting which is apparently missing? Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat
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