diff options
Diffstat (limited to 'tracecmd/include/bug.h')
| -rw-r--r-- | tracecmd/include/bug.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tracecmd/include/bug.h b/tracecmd/include/bug.h new file mode 100644 index 00000000..9222f935 --- /dev/null +++ b/tracecmd/include/bug.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: LGPL-2.1 */ +#ifndef __TRACE_CMD_BUG +#define __TRACE_CMD_BUG + +#define unlikely(cond) __builtin_expect(!!(cond), 0) + +#define WARN_ONCE(cond, fmt, ...) \ + ({ \ + int __c__ = cond; \ + if (unlikely(__c__)) { \ + warning(fmt, ##__VA_ARGS__); \ + } \ + __c__; \ + }) +#endif /* __TRACE_CMD_BUG */ |