Add System V semaphore operation constants (GETVAL, SETVAL, GETALL, etc.) and the target_sembuf and target_semun structures needed for semop(2) and semctl(2) syscall emulation.
Signed-off-by: Stacey Son <[email protected]> Signed-off-by: Warner Losh <[email protected]> --- bsd-user/syscall_defs.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/bsd-user/syscall_defs.h b/bsd-user/syscall_defs.h index 62b9bc752b..becd04efb4 100644 --- a/bsd-user/syscall_defs.h +++ b/bsd-user/syscall_defs.h @@ -95,6 +95,26 @@ struct bsd_shm_regions { /* * sys/sem.h */ +#define TARGET_GETNCNT 3 /* Return the value of semncnt {READ} */ +#define TARGET_GETPID 4 /* Return the value of sempid {READ} */ +#define TARGET_GETVAL 5 /* Return the value of semval {READ} */ +#define TARGET_GETALL 6 /* Return semvals into arg.array {READ} */ +#define TARGET_GETZCNT 7 /* Return the value of semzcnt {READ} */ +#define TARGET_SETVAL 8 /* Set the value of semval to arg.val {ALTER} */ +#define TARGET_SETALL 9 /* Set semvals from arg.array {ALTER} */ + +struct target_sembuf { + unsigned short sem_num; /* semaphore # */ + short sem_op; /* semaphore operation */ + short sem_flg; /* operation flags */ +}; + +union target_semun { + int val; /* value for SETVAL */ + abi_ulong buf; /* buffer for IPC_STAT & IPC_SET */ + abi_ulong array; /* array for GETALL & SETALL */ +}; + struct target_semid_ds { struct target_ipc_perm sem_perm; /* operation permission struct */ abi_ulong sem_base; /* pointer to first semaphore in set */ -- 2.52.0
