Defined in 8 files as a macro:

• sys/amd64/include/atomic.h, line 673 (as a macro)
• sys/arm/include/atomic.h, line 64 (as a macro)
• sys/arm64/include/atomic.h, line 425 (as a macro)
• sys/i386/include/atomic.h, line 845 (as a macro)
• sys/mips/include/atomic.h, line 750 (as a macro)
• sys/powerpc/include/atomic.h, line 794 (as a macro)
• sys/powerpc/include/atomic.h, line 798 (as a macro)
• sys/riscv/include/atomic.h, line 512 (as a macro)

Referenced in 4 files:

• sys/kern/kern_lock.c, line 504
• sys/sys/mutex.h, line 214
• sys/sys/rwlock.h, line 89
• sys/sys/sx.h, line 163