Defined in 4 files as a function:
- arch/alpha/kernel/signal.c, line 456 (as a function)
- arch/parisc/kernel/signal.c, line 488 (as a function)
- arch/sparc/kernel/signal_32.c, line 431 (as a function)
- arch/sparc/kernel/signal_64.c, line 450 (as a function)