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[TW#28365] Undefined reference to poll #2945

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raveious opened this issue Jan 14, 2019 · 2 comments
Closed

[TW#28365] Undefined reference to poll #2945

raveious opened this issue Jan 14, 2019 · 2 comments
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@dobairoland

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@raveious
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Environment

  • Development Kit: ESP32-DevKitC
  • Kit version (for WroverKit/PicoKit/DevKitC): v4
  • Module or chip used: ESP32-WROOM-32D
  • IDF version (run git describe --tags to find it):
    v3.2-beta1
  • Build System: CMake
  • Compiler version (run xtensa-esp32-elf-gcc --version to find it):
    1.22.0-80-g6c4433a
  • Operating System: Linux
  • Power Supply: USB

Problem Description

I've noticed that there is a poll.h header in newlib/platform_include/sys, with no implementation. So just in case I missed it, I tried using it by taking the UART Select Example, and updating it to use poll instead of select, and I'm seeing an undefined reference to it. Am I missing something or is the implementation legitimately missing?
@Alvin1Zhang Alvin1Zhang changed the title Undefined reference to poll [TW#28365] Undefined reference to poll Jan 14, 2019
@dobairoland dobairoland self-assigned this Feb 14, 2019
@dobairoland
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dobairoland commented Feb 20, 2019 •
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Yes, you are right @raveious. Thanks for letting us know. I'm working on the implementation now.

@igrr igrr closed this as completed in aa9d302 Feb 26, 2019
@dobairoland
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Hello @raveious. This is now implemented in the master branch. You can test it there. The implementation will be backported to v3.2 ASAP.

igrr pushed a commit that referenced this issue Apr 28, 2019
@dobairoland
VFS: Implement poll() based on select()
1d4eeeb 
Closes #2945
catalinio pushed a commit to catalinio/pycom-esp-idf that referenced this issue Jun 28, 2019
@dobairoland
VFS: Implement poll() based on select()
5a26928 
Closes espressif/esp-idf#2945
eshjordan pushed a commit to eshjordan/esp-idf that referenced this issue Sep 27, 2024
@dobairoland @eshjordan
VFS: Implement poll() based on select()
3ec57d8 
Closes espressif#2945
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