Defined in 7 files as a macro:
- sys/amd64/include/atomic.h, line 540 (as a macro)
- sys/arm/include/atomic-v4.h, line 469 (as a macro)
- sys/arm64/include/atomic.h, line 421 (as a macro)
- sys/i386/include/atomic.h, line 719 (as a macro)
- sys/mips/include/atomic.h, line 655 (as a macro)
- sys/mips/include/atomic.h, line 682 (as a macro)
- sys/riscv/include/atomic.h, line 506 (as a macro)