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add usleep to avoid cpu busy #13

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add usleep to avoid cpu busy #13

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3 changes: 3 additions & 0 deletions src/portmidi_in.c
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#define MAXBUFLEN 1024

Expand Down Expand Up @@ -54,6 +55,8 @@ static ERL_NIF_TERM do_poll(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
return enif_make_badarg(env);
}

usleep(10);

if(Pm_Poll(*stream)) {
return enif_make_atom(env, "read");
} else {
Expand Down