/* Copyright (C) 1995-2023 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ #ifndef _SYS_MSG_H # error "Never use directly; include instead." #endif #include /* Types used in the MSQID_DS structure definition. */ typedef __syscall_ulong_t msgqnum_t; typedef __syscall_ulong_t msglen_t; #include #include /* Define options for message queue functions. */ #define MSG_NOERROR 010000 /* no error if message is too big */ #ifdef __USE_GNU # define MSG_EXCEPT 020000 /* recv any msg except of specified type */ # define MSG_COPY 040000 /* copy (not remove) all queue messages */ #endif #ifdef __USE_MISC # define msg_cbytes __msg_cbytes /* ipcs ctl commands */ # define MSG_STAT 11 # define MSG_INFO 12 # define MSG_STAT_ANY 13 /* buffer for msgctl calls IPC_INFO, MSG_INFO */ struct msginfo { int msgpool; int msgmap; int msgmax; int msgmnb; int msgmni; int msgssz; int msgtql; unsigned short int msgseg; }; #endif /* __USE_MISC */