I 've recently noticed that sigqueue doesn't work on OS X (mac OS Sierra), i 'd like to know if there is way without using a virtual machine (linux)
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From what I've read by googling, it looks like it's generally not available on Unix versions based on BSD rather than System V or Linux. – Barmar Nov 07 '16 at 22:13
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2See the portability note [here](https://www.gnu.org/software/gnulib/manual/html_node/sigqueue.html) – Barmar Nov 07 '16 at 22:14