Defined in 2 files as a macro:

• include/linux/socket.h, line 195 (as a macro)
• tools/testing/selftests/net/af_unix/scm_pidfd.c, line 27 (as a macro)

Referenced in 2 files:

• net/core/scm.c, line 488
• tools/testing/selftests/net/af_unix/scm_pidfd.c
  • line 26
  • line 149