Signals

[garethodickin]

Signals

Developer Contact Info:

anderson.choi@boeing.com

Internal MR link

tbd

Licensing

OSS Approved for Upstream

Feature request summary

* Symbols (2): sigprocmask, sched_setaffinity
* Status: Stub/wrapper returning zero; signal config needs enabling
* Effort: Low-medium — config change + validation

Describe alternatives

No suitable alternative is available.

Related architectures

arm64

Related platforms

Xen and Qemu

Additional context

sched_setaffinity: stub only (UK_WARN_STUBBED + return 0), no real implementation.
sigprocmask: implementation exists when CONFIG_LIBPOSIX_PROCESS_SIGNAL=y,
but enabling it causes ARM64 build failures (signal.S, system_error.c).
Related: https://github.com/orgs/unikraft/discussions/1840