bsd-user: Add target_semid_ds and target_msqid_ds structures

Add the target ABI definitions for System V semaphore and message queue
data structures, needed for semctl() and msgctl() syscall emulation.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Mikael Urankar <mikael.urankar@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>

bsd-user/syscall_defs.h

@@ -90,6 +90,42 @@ struct bsd_shm_regions {
     abi_long size;
 };
 
+/*
+ * sys/sem.h
+ */
+struct target_semid_ds {
+    struct target_ipc_perm sem_perm; /* operation permission struct */
+    abi_ptr     sem_base;   /* pointer to first semaphore in set */
+    abi_ushort  sem_nsems;  /* number of sems in set */
+    target_time_t   sem_otime;  /* last operation time */
+    target_time_t   sem_ctime;  /* times measured in secs */
+};
+
+/*
+ * sys/msg.h
+ */
+struct target_msqid_ds {
+    struct  target_ipc_perm msg_perm; /* msg queue permission bits */
+    abi_ptr     msg_first;  /* first message in the queue */
+    abi_ptr     msg_last;   /* last message in the queue */
+    abi_ulong   msg_cbytes; /* # of bytes in use on the queue */
+    abi_ulong   msg_qnum;   /* number of msgs in the queue */
+    abi_ulong   msg_qbytes; /* max # of bytes on the queue */
+    int32_t     msg_lspid;  /* pid of last msgsnd() */
+    int32_t     msg_lrpid;  /* pid of last msgrcv() */
+    target_time_t   msg_stime;  /* time of last msgsnd() */
+    target_time_t   msg_rtime;  /* time of last msgrcv() */
+    target_time_t   msg_ctime;  /* time of last msgctl() */
+};
+
+/*
+ * sys/msgbuf.h
+ */
+struct target_msgbuf {
+    abi_long    mtype;      /* message type */
+    char        mtext[1];   /* body of message */
+};
+
 /*
  *  sys/mman.h
  */