set_alarm: Misc fixes and improvements #77
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value_type was being set in `attr` but it wasn't set in `flags`.
the cast here seems dobious. the multiplication will take place in `unsigned int` and the cast only affects the _result_ and not the multiplication itself. which means that the high 32bits will remain zero and the shift will thus always produce zero as well. use UL suffix on the integer constant to ensure that the multiplication itself happens at `unsigned long`.
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I noticed a couple things going on in
set_alarmwhich seemed dubious. Here's a summary of the changes (additional context provided in commit message). Feel free to cherry-pick in case you don't agree with a certain commit.valuewas unused, remove it.value_typewas set inattrbut the necessary value_mask wasn't set onflags. So addXSyncCAValueTypetoflags.unsigned longinstead of casting the result (otherwise that expression would always result in 0).