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Alan Cox wrote: >> The proper way to open POSIX tty devices is as follows. First, open >> them with the O_NONBLOCK flag; this guarantees that they won't block >> waiting for carrier detect. Secondly, use the fcntl() call to clear the >It doesnt however seem to guarantee they wont get hung up on instantly >before they can issue a tcsetattr() ? IIRC, the hangup is only generated on a DCD *drop*, not on DCD being already low. gert -- email: gert@greenie.muc.de fax: +49-89-3244814 http://www.leo.org/~doering Every nation has the government it deserves. --Joseph De Maistre - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu | ||||||||||||
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