libdill: Structured Concurrency for C

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NAME

chdone - half-closes a channel

SYNOPSIS

#include <libdill.h>

int chdone(
    int ch);

DESCRIPTION

Closes an outbound half of the channel. When the peer receives all the messages sent prior to the calling chdone all its subsequent attempts to receive will fail with EPIPE error.

ch: The channel.

RETURN VALUE

In case of success the function returns 0. In case of error it returns -1 and sets errno to one of the values below.

ERRORS

EBADF: Invalid handle.
ENOTSUP: The handle does not support this operation.
EPIPE: chdone was already called on this channel.

EXAMPLE

int ch[2];
chmake(ch);
chsend(ch, "ABC", 3, -1);
chdone(ch);