JDK-8252324 : Signal related code should be shared among POSIX platforms
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: runtime
  • Affected Version: 16
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2020-08-25
  • Updated: 2024-11-21
  • Resolved: 2020-10-07
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JDK 16
16 b19Fixed
Related Reports
Blocks :  
JDK-8251438 - Issues with our POSIX set_signal_handler()
Blocks :  
JDK-8251201 - macOS: remove 10.4 workaround from os::Bsd::install_signal_handlers
Blocks :  
JDK-8252533 - Signal handlers should run with synchronous error signals unblocked
Relates :  
JDK-8260533 - Umbrella: Factor out common POSIX code
Relates :  
JDK-8255711 - Fix and unify hotspot signal handlers
Relates :  
JDK-8253742 - POSIX signal code cleanup
Description
While investigating JDK-8251438 it came to light that our POSIX signal handling code can be factored out.

Linux, BSD and AIX currently have almost identical copies of signal code in their platforms. I compared current Linux to BSD code and Linux has more small fixes and comments than BSD. That will only get worse with the time, but worse of all, is that fixes like in JDK-8251438 currently need to be duplicated.
Comments
Changeset: 4fe07ccc Author: Gerard Ziemski <gziemski@openjdk.org> Date: 2020-10-07 16:21:51 +0000 URL: https://git.openjdk.java.net/jdk/commit/4fe07ccc
07-10-2020