f2213dbd1b
pthread_mutex_init(3) may fail for several reasons, and failing to check will cause Undefined Behavior when those errors happen. Add missing checks, and correctly deinitialize previously created stuff before exiting from the API. Signed-off-by: Alejandro Colomar <alx@nginx.com> Reviewed-by: Andrew Clayton <a.clayton@nginx.com> Reviewed-by: Zhidao HONG <z.hong@f5.com>
