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Start with the task with higher priority!

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This commit is contained in:
Baptiste Wicht 2018-03-20 11:25:00 +01:00
parent b6794a15e9
commit 9a3f10d686
1 changed files with 7 additions and 4 deletions
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11
kernel/src/scheduler.cpp
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@ -70,6 +70,7 @@ volatile size_t next_pid = 0;
size_t gc_pid = 0; size_t gc_pid = 0;
size_t idle_pid = 0; size_t idle_pid = 0;
size_t init_pid = 0; size_t init_pid = 0;
size_t post_init_pid = 0;
std::vector<scheduler::pid_t>& run_queue(size_t priority){ std::vector<scheduler::pid_t>& run_queue(size_t priority){
return run_queues[priority - scheduler::MIN_PRIORITY]; return run_queues[priority - scheduler::MIN_PRIORITY];
@ -353,9 +354,11 @@ void create_post_init_task(){
post_init_process.ppid = 1; post_init_process.ppid = 1;
post_init_process.priority = scheduler::MAX_PRIORITY; post_init_process.priority = scheduler::MAX_PRIORITY;
scheduler::queue_system_process(post_init_process.pid); post_init_pid = post_init_process.pid;
logging::logf(logging::log_level::DEBUG, "scheduler: post_init_task %u \n", post_init_process.pid); scheduler::queue_system_process(post_init_pid);
logging::logf(logging::log_level::DEBUG, "scheduler: post_init_task %u \n", post_init_pid);
} }
void switch_to_process(size_t pid){ void switch_to_process(size_t pid){
@ -669,8 +672,8 @@ void scheduler::init(){
} }
void scheduler::start(){ void scheduler::start(){
//Run the init task by default //Run the post init task by default (maximum priority)
current_pid = init_pid; current_pid = post_init_pid;
pcb[current_pid].state = scheduler::process_state::RUNNING; pcb[current_pid].state = scheduler::process_state::RUNNING;
started = true; started = true;