On 06/23/2012 11:46 AM, ali hagigat wrote:
1) Does (ADEOS and) Xenomai project changes and extends the Linux kernel sys_call_table?
Strictly speaking, no. They extend the syscall namespace by interposing on the linux syscall mechanism, without altering the original table.
2) Considering i have used a VxWorks API function, will it be translated to a new Linux kernel system call?
Syscalls will be routed to the emulators through the nucleus.
If no, why there are some emulators and interfaces for VxWorks, pSOS and so on inside kernel?
Because in 2.x they implement the VxWorks, pSOS services and so on in kernel space. With the upcoming 3.x, these emulators are purely user-space based.
3) Does all the real time services and API functions will be translated to the nucleus API calls at last?
Yes, for most part.
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