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| io_dontwantwrite(3) | FreeBSD Library Functions Manual | io_dontwantwrite(3) |
NAME
io_dontwantwrite - signal that you do not want to write to a descriptorSYNTAX
#include <libowfat/io.h>void io_dontwantwrite(int64 fd);
DESCRIPTION
io_dontwantwrite tells the next io_wait() that you don't want to write to this descriptor for now. Call io_wantwrite() again if you change your mind.You have to have called io_fd on the descriptor first (io_pipe and io_socketpair do this for you). Waiting on descriptors only works for sockets, fifos and pipes. It may also work on devices and TTYs, but that is platform dependent -- you should not rely on that.
SEE ALSO
io_wait(3), io_canwrite(3), io_wantwrite(3), io_fd(3)
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