Defined in 2 files as a macro:

• include/uapi/linux/pidfd.h, line 117 (as a macro)
• tools/testing/selftests/pidfd/pidfd.h, line 108 (as a macro)

Referenced in 3 files:

• fs/pidfs.c
  • line 507
  • line 601
• tools/testing/selftests/pidfd/pidfd.h, line 107
• tools/testing/selftests/pidfd/pidfd_setns_test.c, line 50