https://issues.dlang.org/show_bug.cgi?id=18621

          Issue ID: 18621
           Summary: core.sync.condition notify methods cannot be used from
                    a (unix) signal handler
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: phobos
          Assignee: nobody@puremagic.com
          Reporter: jking@apache.org

Using core.stdc.signal I can set up a signal handler to handle SIGINT (^C), however signal handlers have a limited set of things they can do.  The handler must be nothrow and @nogc.

pthread_cond_signal and pthread_cond_broadcast are safe to call in a signal handler and typically used to trigger shutdowns, however core.sync.condition has no safe method that can be called to notify or notifyAll.

Would it be possible to add a "nothrow @nogc" safe version of these methods that return an error code instead of throw so that core.sync.condition can be used in a (unix) signal handler?  Thanks.

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