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Diffstat (limited to 'doc/bus_read.3')
| -rw-r--r-- | doc/bus_read.3 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/doc/bus_read.3 b/doc/bus_read.3 index 1751cb8..8c8982c 100644 --- a/doc/bus_read.3 +++ b/doc/bus_read.3 @@ -11,6 +11,8 @@ The \fIbus_read\fP function shall continuously wait for new message to be sent o 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. .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 +The \fIbus_read\fP() function may fail and set \fIerrno\fP to any of the errors specified for the rutine semop(3). .SH SEE ALSO bus-create(1), bus(5), libbus(7), bus_open(3), bus_write(3) .SH AUTHORS |