Defined in 2 files as a macro:

• include/uapi/linux/pidfd.h, line 115 (as a macro)
• tools/testing/selftests/pidfd/pidfd.h, line 100 (as a macro)

Referenced in 3 files:

• fs/pidfs.c
  • line 506
  • line 594
• tools/testing/selftests/pidfd/pidfd.h, line 99
• tools/testing/selftests/pidfd/pidfd_setns_test.c, line 47