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package main
// Test POSIX signals.
// TODO: run `tinygo test os/signal` instead, once CGo errno return values are
// supported.
import (
"os"
"os/signal"
"syscall"
"time"
)
func main() {
c := make(chan os.Signal, 1)
signal.Notify(c, syscall.SIGUSR1)
// Wait for signals to arrive.
go func() {
for sig := range c {
if sig == syscall.SIGUSR1 {
println("got expected signal")
} else {
println("got signal:", sig.String())
}
}
}()
// Send the signal.
syscall.Kill(syscall.Getpid(), syscall.SIGUSR1)
time.Sleep(time.Millisecond * 100)
// Stop notifying.
// (This is just a smoke test, it's difficult to test the default behavior
// in a unit test).
signal.Ignore(syscall.SIGUSR1)
signal.Stop(c)
println("exiting signal program")
}
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