Fix #1455, High-res timed stream ops #1456
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Add API calls equivalent to existing calls that use an absolute timeout as opposed to a relative timeout. The absolute timeout can support resolution of 0.1 usec in the default configuration. Internally this primarily affects the underlying call to select(). Note that per the definition of select() in POSIX, it uses a "struct timeval" which has a resolution of 1 usec.
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Updated to expose the high-res API ("Abs" timeout variant) on the following additional OSAL calls:
The existing (relative timeout) variant becomes a wrapper around the Abs timeout version above. |
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Fix #1455, High-res timed stream ops
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*Combines:* cFE equuleus-rc1+dev137 osal equuleus-rc1+dev66 elf2cfetbl equuleus-rc1+dev56 **Includes:** *cFS* - #707 - #773 *cFE* - nasa/cFE#2560 - nasa/cFE#2344 - nasa/cFE#2359 - nasa/cFE#2376 - nasa/cFE#2496 - nasa/cFE#2554 - nasa/cFE#2568 - nasa/cFE#2566 *osal* - nasa/osal#1456 - nasa/osal#1465 *elf2cfetbl* - nasa/elf2cfetbl#147 - nasa/elf2cfetbl#124 - nasa/elf2cfetbl#125 - nasa/elf2cfetbl#127 Co-authored by: Avi Weiss <[email protected]> Co-authored by: Justin Figueroa <[email protected]> Co-authored by: Joseph Hickey <[email protected]> Co-authored by: Jacob Hageman <[email protected]> Co-authored by: Anh Van <[email protected]>
…e incorrect status variable.
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*Combines:* cFE equuleus-rc1+dev137 osal equuleus-rc1+dev66 elf2cfetbl equuleus-rc1+dev56 **Includes:** *cFS* - #707 - #773 *cFE* - nasa/cFE#2560 - nasa/cFE#2344 - nasa/cFE#2359 - nasa/cFE#2376 - nasa/cFE#2496 - nasa/cFE#2554 - nasa/cFE#2568 - nasa/cFE#2566 *osal* - nasa/osal#1456 - nasa/osal#1465 *elf2cfetbl* - nasa/elf2cfetbl#147 - nasa/elf2cfetbl#124 - nasa/elf2cfetbl#125 - nasa/elf2cfetbl#127 Co-authored by: Avi Weiss <[email protected]> Co-authored by: Justin Figueroa <[email protected]> Co-authored by: Joseph Hickey <[email protected]> Co-authored by: Jacob Hageman <[email protected]> Co-authored by: Anh Van <[email protected]>
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*Combines:* cFE equuleus-rc1+dev137 osal equuleus-rc1+dev66 elf2cfetbl equuleus-rc1+dev56 **Includes:** *cFS* - #707 - #773 *cFE* - nasa/cFE#2560 - nasa/cFE#2344 - nasa/cFE#2359 - nasa/cFE#2376 - nasa/cFE#2496 - nasa/cFE#2554 - nasa/cFE#2568 - nasa/cFE#2566 *osal* - nasa/osal#1456 - nasa/osal#1465 *elf2cfetbl* - nasa/elf2cfetbl#147 - nasa/elf2cfetbl#124 - nasa/elf2cfetbl#125 - nasa/elf2cfetbl#127 Co-authored by: Avi Weiss <[email protected]> Co-authored by: Justin Figueroa <[email protected]> Co-authored by: Joseph Hickey <[email protected]> Co-authored by: Jacob Hageman <[email protected]> Co-authored by: Anh Van <[email protected]>
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*Combines:* cFE equuleus-rc1+dev167 osal equuleus-rc1+dev81 **Includes:** *cFE* - nasa/cFE#2560 *osal* - nasa/osal#1456 - nasa/osal#1465 Co-authored by: Anh Van <[email protected]> Co-authored by: Dan Knutsen <[email protected]>
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*Combines:* cFE equuleus-rc1+dev167 osal equuleus-rc1+dev81 **Includes:** *cFE* - nasa/cFE#2560 *osal* - nasa/osal#1456 - nasa/osal#1465 Co-authored by: Anh Van <[email protected]> Co-authored by: Dan Knutsen <[email protected]>
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Checklist (Please check before submitting)
Describe the contribution
Implement high-res timed operations for streams. This uses an absolute time via the OS_time_t value, which has a default resolution of 0.1usec but is configurable.
Fixes #1455
Testing performed
Full suite of coverage and functional tests
Expected behavior changes
New APIs added, does not change existing APIs
System(s) tested on
Debian
Additional context
N/A
Contributor Info - All information REQUIRED for consideration of pull request
Joseph Hickey, Vantage Systems, Inc.