On Mon, 29 Jan 2024 19:25:35 GMT, Chris Plummer <cjplum...@openjdk.org> wrote:
>> Jaikiran Pai has updated the pull request incrementally with three >> additional commits since the last revision: >> >> - add a log message to help debuggability >> - improve code comments >> - David's review - use standard isdigit instead of custom isAsciiDigit > > src/jdk.jdwp.agent/unix/native/libjdwp/exec_md.c line 129: > >> 127: /* Find max allowed file descriptors for a process >> 128: * and assume all were opened for the parent process and >> 129: * copied over to this child process. We close them all. */ > > I'm somewhat leaning towards this just being a fatal error. Why would it ever > fail? Do we think the version in childproc.c that also does this is doing so > for a good reason, or perhaps just like jdwp it used to use the slow version > and then kept it around as a backup when the faster version was introduced. I think we are sliding into " the perfect is the enemy of the good" here. If you want to investigate the resilience of closing FD's then I suggest you look at that in a different PR and let Jai integrate this optimization to avoid the timeouts that were seen. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/17588#discussion_r1470670529