Defined in 2 files as a macro:

• include/uapi/linux/pidfd.h, line 10 (as a macro)
• tools/testing/selftests/pidfd/pidfd.h, line 50 (as a macro)

Referenced in 3 files:

• kernel/pid.c, line 589
• tools/testing/selftests/pidfd/pidfd.h, line 49
• tools/testing/selftests/pidfd/pidfd_wait.c
  • line 161
  • line 181