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Re: POSIX and uITRON question.(system level and application level?)
- From: Grant Edwards <grante at visi dot com>
- To: Qiang Huang <jameshq at liverpool dot ac dot uk>
- Cc: Ecos-Discuss <ecos-discuss at sources dot redhat dot com>
- Date: Thu, 16 Jan 2003 11:22:22 -0600
- Subject: Re: [ECOS] POSIX and uITRON question.(system level and application level?)
- References: <BDEPKKELILOKGOAOMONOGEABCBAA.jameshq@liv.ac.uk>
On Wed, Jan 15, 2003 at 10:25:17PM -0000, Qiang Huang wrote:
> Hi all:
> Is POSIX for: Portable **Operating System** Interface
> uITRON for: It specifies an **application interface** for real-time
> systems.
>
> Does it mean: POSIX is standard for operating System level and uITRON is
> standard for application(level) interface to OS ?
No.
Both specify an API that applications use to access OS services
and functions. They are alternate "wrappers" for the basic
eCos kernel API.
I don't know whether it's possible to configure/use a system
that has both Posix and uITRON packages. In theory it should
be, but there may be implimentation practicalities that prevent
it.
--
Grant Edwards
grante@visi.com
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