Defined in 1 files as a prototype:

• include/linux/sched/signal.h, line 568 (as a prototype)

Defined in 1 files as a function:

• lib/is_single_threaded.c, line 15 (as a function)

Referenced in 3 files:

• kernel/fork.c, line 2851
• kernel/time/namespace.c, line 287
• security/selinux/hooks.c, line 6400