1*58e6ee5fSAndroid Build Coastguard Worker /* SPDX-License-Identifier: LGPL-2.1 */ 2*58e6ee5fSAndroid Build Coastguard Worker #ifndef __TRACE_CMD_BUG 3*58e6ee5fSAndroid Build Coastguard Worker #define __TRACE_CMD_BUG 4*58e6ee5fSAndroid Build Coastguard Worker 5*58e6ee5fSAndroid Build Coastguard Worker #define unlikely(cond) __builtin_expect(!!(cond), 0) 6*58e6ee5fSAndroid Build Coastguard Worker 7*58e6ee5fSAndroid Build Coastguard Worker #define WARN_ONCE(cond, fmt, ...) \ 8*58e6ee5fSAndroid Build Coastguard Worker ({ \ 9*58e6ee5fSAndroid Build Coastguard Worker int __c__ = cond; \ 10*58e6ee5fSAndroid Build Coastguard Worker if (unlikely(__c__)) { \ 11*58e6ee5fSAndroid Build Coastguard Worker warning(fmt, ##__VA_ARGS__); \ 12*58e6ee5fSAndroid Build Coastguard Worker } \ 13*58e6ee5fSAndroid Build Coastguard Worker __c__; \ 14*58e6ee5fSAndroid Build Coastguard Worker }) 15*58e6ee5fSAndroid Build Coastguard Worker #endif /* __TRACE_CMD_BUG */ 16