Fix I/O-related error values in ustctl
authorMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mon, 21 Jan 2013 15:56:33 +0000 (10:56 -0500)
committerMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mon, 21 Jan 2013 15:56:33 +0000 (10:56 -0500)
commitc354a72c3a0b067413b08f58e48fde42fa6744dc
treef7c16940f4fcc36a6995b0b6c3ca29f9f8e4e64c
parentd56fa7193ab7fa9c5ce1a35a0faf77ed04c80d20
Fix I/O-related error values in ustctl

These internal ustctl API members document >=0 as OK values. Make sure
reply recv errors are returned as errors.

Clarify ustctl_create_stream() error values.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Acked-by: David Goulet <dgoulet@efficios.com>
include/lttng/ust-ctl.h
liblttng-ust-comm/lttng-ust-comm.c
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