Read write mutex shows FFFFFFFF number of readers
Issue
-
A problem related to the number of readers in a read write mutex. Please see the gdb output below.
We are very sure that the number of readers is 0 at this point. -
This looks similar to the issue reported here - http://sourceware.org/ml/glibc-bugs/2007-03/msg00084.html
(gdb) print dialog->rwmutex
$4 = {lock_ = {__data = {__lock = 0, __nr_readers = 4294967295, __readers_wakeup = 0, __writer_wakeup = 0,
__nr_readers_queued = 0, __nr_writers_queued = 1, __writer = 0, __shared = 0, __pad1 = 0,
__pad2 = 0, __flags = 0},
__size = "\000\000\000\000\377\377\377\377", '\000' <repeats 12 times>, "\001", '\000' <repeats 34 times>, __align = -4294967296}, removed_ = 0}
Environment
- Red Hat Enterprise Linux 6.1
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