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kitten LWK waitqueue adoptation

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This commit is contained in:
Balazs Gerofi
2012-05-06 12:39:39 +09:00
parent 8c34463dd4
commit c3463e7393
5 changed files with 320 additions and 4 deletions
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31
kernel/process.c
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@ -5,6 +5,7 @@
#include <cls.h>
#include <aal/debug.h>
#include <page.h>
#include <cpulocal.h>
#define DEBUG_PRINT_PROCESS
@ -307,6 +308,7 @@ void schedule(void)
aal_mc_load_page_table(next->vm->page_table);
do_arch_prctl(ARCH_SET_FS, next->vm->region.tlsblock_base);
cpu_local_var(status) = CPU_STATUS_RUNNING;
if (prev) {
aal_mc_switch_context(&prev->ctx, &next->ctx);
@ -316,6 +318,35 @@ void schedule(void)
}
}
int sched_wakeup_process(struct process *proc, int valid_states)
{
int status;
unsigned long irqstate;
struct cpu_local_var *v = get_cpu_local_var(proc->cpu_id);
irqstate = aal_mc_spinlock_lock(&(v->runq_lock));
if (proc->status & valid_states) {
proc->status = PS_RUNNING;
status = 0;
}
else {
status = -EINVAL;
}
aal_mc_spinlock_unlock(&(v->runq_lock), irqstate);
if (!status && (proc->cpu_id != aal_mc_get_processor_id())) {
aal_mc_interrupt_cpu(get_x86_cpu_local_variable(proc->cpu_id)->apic_id,
0xd1);
}
return status;
}
/* Runq lock must be held here */
void __runq_add_proc(struct process *proc, int cpu_id)
{