On Fri, Dec 26, 2008 at 10:34 AM, shark huang <shark.hh@xxxxxxxxx> wrote:
When performing the first task, the process which calls semget becomes the owner/creator, and Remember, ownership can be changed, but the creating process always remains the creator. So values of uid and cuid may not be always same.
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Hi:
Thanks.On Fri, Dec 26, 2008 at 12:05 PM, ajit mote <mail2blackmen@xxxxxxxxx> wrote:
On Thu, Dec 25, 2008 at 7:39 AM, shark huang <shark.hh@xxxxxxxxx> wrote:How can I know who own the semaphore at one moment?
ipcs -s'cat /proc/sysvipc/sem' should be same.
On Thu, Dec 25, 2008 at 12:26 AM, shark huang <shark.hh@xxxxxxxxx> wrote:
Hi:is the value of cuid and uid always same? Looks like they only are given a same value in function "ipc_addid", which means the value was initialized when the semaphore is created.
When performing the first task, the process which calls semget becomes the owner/creator, and Remember, ownership can be changed, but the creating process always remains the creator. So values of uid and cuid may not be always same.
brshark
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Thanks & Regards,
Ajit Subhash Mote
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Thanks & Regards,
Ajit Subhash Mote
