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Joerg Wunsch 8a833f921e Contributed by Ned Konz:
Open the serial port with O_NONBLOCK, and save and restore the port
state before exiting.

patch #5008: Patch for (5.1) ser_posix.c for O_NONBLOCK open and
restoring serial port state on close

Closes bug #12622: avrdude hangs on macosx/darwin with PL-2303
usb-to-serial and Butterfly


git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk@627 81a1dc3b-b13d-400b-aceb-764788c761c2
2006-08-28 21:17:01 +00:00
avrdude Contributed by Ned Konz: 2006-08-28 21:17:01 +00:00