patacongo commented on a change in pull request #37: examples: hello: Show CPU
index when running in SMP mode
URL:
https://github.com/apache/incubator-nuttx-apps/pull/37#discussion_r372894731
##########
File path: examples/hello/hello_main.c
##########
@@ -50,6 +54,12 @@
int main(int argc, FAR char *argv[])
{
+#ifdef CONFIG_SMP
+ uint32_t cpu = up_cpu_index();
Review comment:
Neither arevproper posix interfaces and neither show be called or implemted
in you space. This must be reverted.
It will also break any SMP PROTECTED or kernel mode build.
You could make an exteneion to prctl(). The at least uses a Linux-like
interface and will not break other builds.
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