Saves an errno per-thread, retrieved via _get_errno(), instead of changing the value of a global variable during context switches to avoid a hit to the context switch performance. Per-arch asm implementations are provided for maximum performance. Enabled by default, but can be disabled via the CONFIG_ERRNO option. Change-Id: I81d57a2e318c94c68eee913ae0d4ca3a3609c7a4 Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com> |
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| microkernel | ||
| nanokernel | ||
| Kconfig | ||
| Makefile | ||