Detected by gnulib's unit tests. STC:
$ cat foo.c
#include <unistd.h>
int main() {
return dup2(0, -1);
}
$ gcc -o foo -g -Wall foo.c
$ ./foo
Segmentation fault (core dumped)
cygwin 1.7.17-1
Running under gdb shows:
4 [main] foo 1220 exception::handle: Exception:
STATUS_ACCESS_VIOLATION
702 [main] foo 1220 open_stackdumpfile: Dumping stack trace to
foo.exe.stackdump
Program received signal SIGSEGV, Segmentation fault.
0x610e9407 in dup2 () from /usr/bin/cygwin1.dll
Expected results should be a normal failure with EBADF in errno.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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