On Feb 14, 2006, at 11:59 AM, Noah Watkins wrote:
I am running 2.6.15-rt16. I am trying to run the robust1-mode2.c test
from the posix test suite
(posixtest/posixtestsuite/functional/threads/robust_test). It fails
during the call to pthread_mutex_init when the futex syscall for
FUTEX_REGISTER is made. EINVAL is returned in futex_register when
this test fails:
if (vma->vm_file && vma->vm_file->f_mapping)
I am trying to get started with some simple examples but am stuck at
this point.
Noah,
you'll have to allocate the pthread_mutex via mmap of some ANONYMOUS
memory.
Currently robustness is only supported for pthread mutexes that are
shared and backed
by a file mapping, either an mmapped file two processes share or some
mmapped ANONYMOUS
memory for pthreads inside a process.
David
- Noah
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