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apps/system/nsh/nsh_main.c: Set NSH priorirty if the NSH task was scheduled at a different priority than the configured priority.

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This commit is contained in:
Gregory Nutt 2018-12-20 10:50:29 -06:00
parent a3c8f17522
commit 40874bbe8b
1 changed files with 17 additions and 4 deletions
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21
system/nsh/nsh_main.c
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@ -270,6 +270,19 @@ int main(int argc, FAR char *argv[])
int nsh_main(int argc, char *argv[]) int nsh_main(int argc, char *argv[])
#endif #endif
{ {
struct sched_param param;
/* Check the task priority that we were started with */
(void)sched_getparam(0, &param);
if (param.sched_priority != CONFIG_SYSTEM_NSH_PRIORITY)
{
/* If not then set the priority to the configured priority */
param.sched_priority = CONFIG_SYSTEM_NSH_PRIORITY;
(void)sched_setparam(0, &param);
}
/* There are two modes that NSH can be executed in: /* There are two modes that NSH can be executed in:
* *
* 1) As a normal, interactive shell. In this case, no arguments are * 1) As a normal, interactive shell. In this case, no arguments are
@ -277,10 +290,10 @@ int nsh_main(int argc, char *argv[])
* 2) As a single command processor. In this case, the single command is * 2) As a single command processor. In this case, the single command is
* is provided in argv[1]. * is provided in argv[1].
* *
* NOTE: The latter mode is only available if CONFIG_BUILD_LOADABLE=y. In * NOTE: The latter mode is only available if CONFIG_BUILD_LOADABLE=y.
* that cause, this main() function will be build as a process. The process * In that case, this main() function will be built as a process. The
* will be started with a command by the implementations of the system() and * process will be started with a command by the implementations of the
* popen() interfaces. * system() and popen() interfaces.
*/ */
#ifdef HAVE_NSH_COMMAND #ifdef HAVE_NSH_COMMAND