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build: Omit default priority ELF symbol.

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Do not define nx_priority for applications that use SCHED_PRIORITY_DEFAULT. The ELF loader already uses its scheduler default when the symbol is absent, avoiding the invalid priority-zero value previously encoded by Application.mk.

Keep emitting nx_priority, and retaining it through stripping, for explicit numeric priorities.

Assisted-by: Zed:GPT-5.6 Terra
Signed-off-by: Marco Casaroli <marco.casaroli@gmail.com>
This commit is contained in:
Marco Casaroli 2026-07-26 17:00:11 +02:00 • committed by Alan C. Assis
parent fabafbc361
commit 57e761f724
1 changed files with 2 additions and 3 deletions
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5
Application.mk
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@ -146,10 +146,9 @@ ifneq ($(strip $(PROGNAME)),)
# CONFIG_SCHED_USER_IDENTITY) so the binary loader can recover them.
# Per-target so each PROGLIST entry picks up its own STACKSIZE_/PRIORITY_.
$(PROGLIST): SYM_PRIORITY = $(if $(filter SCHED_PRIORITY_DEFAULT,$(PRIORITY_$@)),0,$(PRIORITY_$@))
$(PROGLIST): MODLDFLAGS += \
$(if $(STACKSIZE_$@),--defsym nx_stacksize=$(STACKSIZE_$@)) \
$(if $(PRIORITY_$@),--defsym nx_priority=$(SYM_PRIORITY))
$(if $(filter-out SCHED_PRIORITY_DEFAULT,$(PRIORITY_$@)),--defsym nx_priority=$(PRIORITY_$@))
ifeq ($(CONFIG_SCHED_USER_IDENTITY),y)
$(PROGLIST): MODLDFLAGS += \
$(if $(UID_$@),--defsym nx_uid=$(UID_$@)) \
@ -159,7 +158,7 @@ endif
# Keep the attribute symbols through --strip-unneeded so the binary loader
# can still read them from the stripped runtime image in bin/.
$(PROGLIST): NX_KEEP = $(if $(STACKSIZE_$@),-K nx_stacksize) $(if $(PRIORITY_$@),-K nx_priority) $(if $(UID_$@),-K nx_uid) $(if $(GID_$@),-K nx_gid) $(if $(MODE_$@),-K nx_mode)
$(PROGLIST): NX_KEEP = $(if $(STACKSIZE_$@),-K nx_stacksize) $(if $(filter-out SCHED_PRIORITY_DEFAULT,$(PRIORITY_$@)),-K nx_priority) $(if $(UID_$@),-K nx_uid) $(if $(GID_$@),-K nx_gid) $(if $(MODE_$@),-K nx_mode)
endif
# Condition flags