Defined in 2 files as a macro:

• include/uapi/linux/pidfd.h, line 116 (as a macro)
• tools/testing/selftests/pidfd/pidfd.h, line 104 (as a macro)

Referenced in 3 files:

• fs/pidfs.c
  • line 512
  • line 641
• tools/testing/selftests/pidfd/pidfd.h, line 103
• tools/testing/selftests/pidfd/pidfd_setns_test.c, line 44