[vala/staging] posix: Add System V IPC (shared memory, semaphores, message queues)

[Dr. Michael Lauer <mlauer src gnome org>]

commit 164951e36daf446f89ee1ce8c0d91504142efeb5
Author: Dr. Michael Lauer <mickey vanille-media de>
Date:   Sun Mar 11 14:03:02 2018 +0100

    posix: Add System V IPC (shared memory, semaphores, message queues)

 vapi/posix.vapi |   85 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 85 insertions(+), 0 deletions(-)
---
diff --git a/vapi/posix.vapi b/vapi/posix.vapi
index 3ff93d3..02f25b3 100644
--- a/vapi/posix.vapi
+++ b/vapi/posix.vapi
@@ -1534,6 +1534,29 @@ namespace Posix {
        [CCode (cheader_filename = "sys/ioctl.h", sentinel = "")]
        public int ioctl (int fildes, int request, ...);
 
+       [CCode (cheader_filename = "sys/ipc.h")]
+       public const int IPC_CREAT;
+       [CCode (cheader_filename = "sys/ipc.h")]
+       public const int IPC_EXCL;
+       [CCode (cheader_filename = "sys/ipc.h")]
+       public const int IPC_NOWAIT;
+       [CCode (cheader_filename = "sys/ipc.h")]
+       public const key_t IPC_PRIVATE;
+       [CCode (cheader_filename = "sys/ipc.h")]
+       public const int IPC_RMID;
+       [CCode (cheader_filename = "sys/ipc.h")]
+       public const int IPC_SET;
+       [CCode (cheader_filename = "sys/ipc.h")]
+       public const int IPC_STAT;
+       [CCode (cheader_filename = "sys/ipc.h")]
+       public const int IPC_R;
+       [CCode (cheader_filename = "sys/ipc.h")]
+       public const int IPC_W;
+       [CCode (cheader_filename = "sys/ipc.h")]
+       public const int IPC_M;
+       [CCode (cheader_filename = "sys/ipc.h")]
+       public key_t ftok (string pathname, int proj_id);
+
        [CCode (cheader_filename = "syslog.h")]
        public void openlog (string ident, int option, int facility );
 
@@ -1758,6 +1781,68 @@ namespace Posix {
                public string[] h_addr_list;
        }
 
+       [CCode (cname = "struct msqid_ds", cheader_filename = "sys/msg.h", free_function = "", has_type_id = 
false)]
+       public struct MsqIdDs {
+       }
+
+       [CCode (cname = "short", cheader_filename = "sys/msg.h", cprefix = "MSG_", has_type_id = false)]
+       public enum MsqCmd {
+               STAT,
+               INFO
+       }
+
+       [CCode (cheader_filename = "sys/msg.h")]
+       public const int MSG_COPY;
+       [CCode (cheader_filename = "sys/msg.h")]
+       public const int MSG_EXCEPT;
+       [CCode (cheader_filename = "sys/msg.h")]
+       public const int MSG_NOERROR;
+       [CCode (cheader_filename = "sys/msg.h")]
+       public int msgctrl (int msqid, MsqCmd cmd, MsqIdDs buf);
+       [CCode (cheader_filename = "sys/msg.h")]
+       public int msgget (key_t key, int msgflg = 0);
+       [CCode (cheader_filename = "sys/msg.h")]
+       public ssize_t msgrcv (int msqid, uint8[] buf, long msgtyp = 0, int msgflg = 0);
+       [CCode (cheader_filename = "sys/msg.h")]
+       public int msgsnd (int msqid, uint8[] buf, int msgflg = 0);
+
+       [CCode (cname = "struct sembuf", cheader_filename = "sys/sem.h", free_function = "", has_type_id = 
false)]
+       public struct SemBuf {
+               public ushort sem_num;
+               public SemCmd sem_op;
+               public short sem_flg;
+       }
+
+       [CCode (cname = "short", cheader_filename = "sys/sem.h", cprefix = "", has_type_id = false)]
+       public enum SemCmd {
+               GETPID,
+               GETVAL,
+               GETALL,
+               GETNCNT,
+               GETZCNT,
+               SETVAL,
+               SETALL,
+               IPC_STAT,
+               IPC_SET,
+               IPC_RMID,
+       }
+
+       [CCode (cheader_filename = "sys/sem.h")]
+       public const short SEM_UNDO;
+       [CCode (cheader_filename = "sys/sem.h")]
+       public int semctl (int semid, int semnum, int cmd, ...);
+       [CCode (cheader_filename = "sys/sem.h")]
+       public int semget (key_t key, int nsems, int semflg = 0);
+       [CCode (cheader_filename = "sys/sem.h")]
+       public int semop (int semid, SemBuf[] sops);
+
+       [CCode (cheader_filename = "sys/shm.h")]
+       public void* shmat (int shmid, void* shmaddr, int shmflg = 0);
+       [CCode (cheader_filename = "sys/shm.h")]
+       public int shmdt (void* shmaddr);
+       [CCode (cheader_filename = "sys/shm.h")]
+       public int shmget (key_t key, size_t size, int shmflg = 0);
+
        [CCode (cheader_filename = "sys/stat.h")]
        public int mkfifo (string filename, mode_t mode);