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samples: synchronisation: run thread_b on cpu 0 in SMP mode

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Always run thread_b on CPU 0 by setting cpu_mask if on SMP system.

Run this with CONFIG_SCHED_CPU_MASK=y set on an SMP system.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
This commit is contained in:
Anas Nashif 2020-08-05 16:18:54 -04:00
parent c916411239
commit ad8caa65e8
2 changed files with 7 additions and 2 deletions
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2
samples/synchronization/prj.conf
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@ -1,3 +1,3 @@
CONFIG_STDOUT_CONSOLE=y
# enable to use thread names
#CONFIG_THREAD_NAME=y
CONFIG_THREAD_NAME=y

7
samples/synchronization/src/main.c
View file

@ -97,9 +97,14 @@ void threadA(void *dummy1, void *dummy2, void *dummy3)
/* spawn threadB */
k_tid_t tid = k_thread_create(&threadB_data, threadB_stack_area,
STACKSIZE, threadB, NULL, NULL, NULL,
PRIORITY, 0, K_NO_WAIT);
PRIORITY, 0, K_FOREVER);
k_thread_name_set(tid, "thread_b");
#if CONFIG_SCHED_CPU_MASK
k_thread_cpu_mask_disable(&threadB_data, 1);
k_thread_cpu_mask_enable(&threadB_data, 0);
#endif
k_thread_start(&threadB_data);
/* invoke routine to ping-pong hello messages with threadB */
helloLoop(__func__, &threadA_sem, &threadB_sem);