Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
19 years ago

how to use "msgget" in nios2 uclinx?

hi: I use function ret = msgget(KEY_MQ_CORE, IPC_CREAT|0660); make successed. After exec, but the return value is -1 I want to use cmd "IPCS" to check the ipc ID. but shell return: ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
19 years ago

--- Quote Start ---

originally posted by hippo@May 11 2006, 02:10 PM

for ipcs you can enable it in busybox under buildroot.

but i don't know if nios2 kernel support it correctly.

<div align='right'><{post_snapback}> (index.php?act=findpost&pid=15279)

--- quote end ---

--- Quote End ---

I enabled msg queue in kernel, run ipcs,

# ipcs

kernel not configured for shared memory

kernel not configured for semaphores

kernel not configured for message queues#