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[SMP] SMP synchronization and scheduling

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This commit is contained in:
Thomas Lovén
2016-11-18 09:36:01 +01:00
parent 8961ae33eb
commit 474914ab1e
12 changed files with 69 additions and 18 deletions
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7
kernel/proc/process.c
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@@ -2,6 +2,7 @@
#include <thread.h>
#include <debug.h>
#include <scheduler.h>
#include <sync.h>
uint64_t pid = 1;
process_t *init_proc = 0;
@@ -20,7 +21,9 @@ process_t *process_spawn(process_t *parent)
if(parent)
{
spin_lock(&parent->lock);
LIST_APPEND(parent->children, proc, siblings);
spin_unlock(&parent->lock);
}
if(proc->pid == 1)
@@ -31,8 +34,10 @@ process_t *process_spawn(process_t *parent)
void process_attach(process_t *proc, thread_t *th)
{
spin_lock(&proc->lock);
LIST_APPEND(proc->threads, th, process_threads);
th->process = proc;
spin_unlock(&proc->lock);
}
void switch_process(process_t *proc)
@@ -60,6 +65,7 @@ void switch_process(process_t *proc)
void process_exit(process_t *proc, uint64_t status)
{
spin_lock(&proc->lock);
proc->status = status;
LIST_FOREACH(proc->children, process_t, c, siblings)
{
@@ -69,6 +75,7 @@ void process_exit(process_t *proc, uint64_t status)
LIST_APPEND(init_proc->children, c, siblings);
}
proc->state = PROC_STATE_ZOMBIE;
spin_unlock(&proc->lock);
}
void process_free(process_t *proc)