[Info-vax] Hanging processes

[Stephen Hoffman]

On 2015-03-28 17:37:19 +0000, Jess Goodman said:

> if (iosb[0] == 0)  /* In case I/O completed before we set timer */
>   sys$waitfr(efn); /* Wait for IO completion or timer to expire */
> if (iosb[0] == 0)  /* If efn is set by the timer iosb will be 0 */
> { sys$clref(efn); /* reclear event flag */

sys$synch deals correctly with both the IOSB processing and the event 
flag processing, FWIW.


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