shared memory on unix

[sheffi]

how do u create a shared memory on unix ?
i've tried using ftok and shmget to get an id but when i use it with shmat
it doesn't work .
thanks
nir

[lancelim]

do a shmget with IPC_CREAT | IPC_EXEC using IPC_PRIVATE as the key

then go to command prompt and type ipcs, you should be able to see the list of shared memory

[lancelim]

do a shmget with IPC_CREAT | IPC_EXEC using IPC_PRIVATE as the key

then go to command prompt and type ipcs, you should be able to see the list of shared memory