diff options
| author | Matthew Macy <[email protected]> | 2019-10-25 13:38:37 -0700 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2019-10-25 13:38:37 -0700 |
| commit | 68a1b1589ad60f9c07d3299f7068ad29fb47e695 (patch) | |
| tree | 7ee3570abba8be5f7769e7aa1973d538f151ce73 /lib/libspl/include/sys | |
| parent | b4238327b4ec84451fd2944cee7ccff37a065d27 (diff) | |
Remove sdt.h
It's mostly a noop on ZoL and it conflicts with platforms that
support dtrace. Remove this header to resolve the conflict.
Reviewed-by: Brian Behlendorf <[email protected]>
Reviewed-by: Jorgen Lundman <[email protected]>
Signed-off-by: Matt Macy <[email protected]>
Closes #9497
Diffstat (limited to 'lib/libspl/include/sys')
| -rw-r--r-- | lib/libspl/include/sys/trace_defs.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/libspl/include/sys/trace_defs.h b/lib/libspl/include/sys/trace_defs.h index a96e29318..058b9e8ec 100644 --- a/lib/libspl/include/sys/trace_defs.h +++ b/lib/libspl/include/sys/trace_defs.h @@ -1 +1,24 @@ /* Here to keep the libspl build happy */ + +#ifndef _LIBSPL_ZFS_TRACE_H +#define _LIBSPL__ZFS_TRACE_H + +/* + * The set-error SDT probe is extra static, in that we declare its fake + * function literally, rather than with the DTRACE_PROBE1() macro. This is + * necessary so that SET_ERROR() can evaluate to a value, which wouldn't + * be possible if it required multiple statements (to declare the function + * and then call it). + * + * SET_ERROR() uses the comma operator so that it can be used without much + * additional code. For example, "return (EINVAL);" becomes + * "return (SET_ERROR(EINVAL));". Note that the argument will be evaluated + * twice, so it should not have side effects (e.g. something like: + * "return (SET_ERROR(log_error(EINVAL, info)));" would log the error twice). + */ +#undef SET_ERROR +#define SET_ERROR(err) \ + (__set_error(__FILE__, __func__, __LINE__, err), err) + + +#endif |