Defined in 2 files as a macro:

• include/uapi/linux/pidfd.h, line 113 (as a macro)
• tools/testing/selftests/pidfd/pidfd.h, line 92 (as a macro)

Referenced in 3 files:

• fs/pidfs.c
  • line 504
  • line 582
• tools/testing/selftests/pidfd/pidfd.h, line 91
• tools/testing/selftests/pidfd/pidfd_setns_test.c, line 46