diff options
Diffstat (limited to 'lib/stdlib/doc/src/io_protocol.xml')
| -rw-r--r-- | lib/stdlib/doc/src/io_protocol.xml | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/stdlib/doc/src/io_protocol.xml b/lib/stdlib/doc/src/io_protocol.xml index 9328704e11..d6da205f07 100644 --- a/lib/stdlib/doc/src/io_protocol.xml +++ b/lib/stdlib/doc/src/io_protocol.xml @@ -76,10 +76,11 @@ the server eventually sends a corresponding <c>io_reply</c> tuple.</p> the I/O server sends the IO reply to.</item> <item><c>ReplyAs</c> can be any datum and is returned in the corresponding -<c>io_reply</c>. The <seealso marker="stdlib:io">io</seealso> module simply uses the pid() -of the I/O server as the <c>ReplyAs</c> datum, but a more complicated client +<c>io_reply</c>. The <seealso marker="stdlib:io">io</seealso> module monitors +the I/O server, and uses the monitor reference as the <c>ReplyAs</c> datum. +A more complicated client could have several outstanding I/O requests to the same I/O server and -would then use i.e. a <c>reference()</c> or something else to differentiate among +would then use different references (or something else) to differentiate among the incoming IO replies. The <c>ReplyAs</c> element should be considered opaque by the I/O server. Note that the <c>pid()</c> of the I/O server is not explicitly present in the <c>io_reply</c> tuple. The reply can be sent from any |