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set ASYNC_LOW_LATENCY flag on serial device just like setserial does to fix huge latency found on recent kernel versions

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john30
2017-06-03 08:27:55 +02:00
parent 9a1a274a33
commit 343a443e98
4 changed files with 16 additions and 0 deletions
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configure.ac
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@@ -35,6 +35,7 @@ AC_SUBST(EXTRA_LIBS)
AC_CHECK_FUNC([pselect], [AC_DEFINE(HAVE_PSELECT, [1], [Defined if pselect() is available.])])
AC_CHECK_FUNC([ppoll], [AC_DEFINE(HAVE_PPOLL, [1], [Defined if ppoll() is available.])])
AC_CHECK_HEADER([linux/serial.h], [AC_DEFINE(HAVE_LINUX_SERIAL, [1], [Defined if linux/serial.h is available.])])
AC_ARG_ENABLE(coverage, AS_HELP_STRING([--enable-coverage], [enable code coverage tracking]), [CXXFLAGS+=" -coverage -O0"], [])
AC_ARG_WITH(contrib, AS_HELP_STRING([--without-contrib], [disable inclusion of contributed sources]), [], [with_contrib=yes])