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| author | Mattias Andrée <maandree@operamail.com> | 2015-04-25 16:31:41 +0200 |
|---|---|---|
| committer | Mattias Andrée <maandree@operamail.com> | 2015-04-25 16:31:41 +0200 |
| commit | e20733c48dfed6663b3854809bbcae129fa04648 (patch) | |
| tree | 349e221b78e799f6a8b819f3bfe8576dfcb6681a /doc | |
| parent | add example audio-volume-control (diff) | |
| download | bus-e20733c48dfed6663b3854809bbcae129fa04648.tar.gz bus-e20733c48dfed6663b3854809bbcae129fa04648.tar.bz2 bus-e20733c48dfed6663b3854809bbcae129fa04648.tar.xz | |
doc: bus_read: whoops
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to '')
| -rw-r--r-- | doc/bus_read.3 | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/bus_read.3 b/doc/bus_read.3 index 8c8982c..18bedc0 100644 --- a/doc/bus_read.3 +++ b/doc/bus_read.3 @@ -8,7 +8,7 @@ int bus_read(const bus_t *bus, int (*callback)(const char *message, void *user_d .SH DESCRIPTION The \fIbus_read\fP function shall continuously wait for new message to be sent on the bus whose information is stored in \fIbus\fP. Once a message is received, the \fIcallback\fP function shall be invoked. \fImessage\fP should be the recieved message, and \fIuser_data\fP for \fIcallback\fP should be \fIuser_data\fP from \fIbus_read\fP. -After \fIcallback\fP returns, \fImessage\fP may be override. Therefore \fIcallback\fP should copy \fImessage\fP and start a new thread that uses the copy of \fImessage\fP. \fIcallback\fP shall return -1 on failure, 0 if \fIbus_read\fP should stop listening or 1 if \fIbus_read\fP should stop listening. +After \fIcallback\fP returns, \fImessage\fP may be override. Therefore \fIcallback\fP should copy \fImessage\fP and start a new thread that uses the copy of \fImessage\fP. \fIcallback\fP shall return -1 on failure, 0 if \fIbus_read\fP should stop listening or 1 if \fIbus_read\fP should continue listening. .SH RETURN VALUES Upon successful completion, the function shall return 0. Otherwise the function shall return -1 and set \fIerrno\fP to indicate the error. .SH ERRORS |