zymon/PortAudio.jl
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add disable_sigint to make ctrl-C not crash Julia

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This commit is contained in:
Spencer Russell 2020-02-22 21:42:45 -05:00
parent b9c604533d
commit 461cdc1557
1 changed files with 15 additions and 6 deletions
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21
src/libportaudio.jl
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@ -233,9 +233,16 @@ end
function Pa_ReadStream(stream::PaStream, buf::Array, frames::Integer=length(buf),
show_warnings::Bool=true)
frames <= length(buf) || error("Need a buffer at least $frames long")
err = @tcall @locked ccall((:Pa_ReadStream, libportaudio), PaError,
(PaStream, Ptr{Cvoid}, Culong),
stream, buf, frames)
# without this I get a segfault with the error:
# "error thrown and no exception handler available."
# if the user tries to ctrl-C. Note I've still had some crash problems with
# ctrl-C within `pasuspend`, so for now I think either don't use `pasuspend` or
# don't use ctrl-C.
err = disable_sigint() do
@tcall @locked ccall((:Pa_ReadStream, libportaudio), PaError,
(PaStream, Ptr{Cvoid}, Culong),
stream, buf, frames)
end
handle_status(err, show_warnings)
buf
end
@ -243,9 +250,11 @@ end
function Pa_WriteStream(stream::PaStream, buf::Array, frames::Integer=length(buf),
show_warnings::Bool=true)
frames <= length(buf) || error("Need a buffer at least $frames long")
err = @tcall @locked ccall((:Pa_WriteStream, libportaudio), PaError,
(PaStream, Ptr{Cvoid}, Culong),
stream, buf, frames)
err = disable_sigint() do
@tcall @locked ccall((:Pa_WriteStream, libportaudio), PaError,
(PaStream, Ptr{Cvoid}, Culong),
stream, buf, frames)
end
handle_status(err, show_warnings)
nothing
end