feat: IO polling for file descriptor

[lunaix-os.git] / lunaix-os / kernel / process / sched.c

diff --git a/lunaix-os/kernel/process/sched.c b/lunaix-os/kernel/process/sched.c
index 82c73c0ee6d4a3d26cce6b93516bc4f807042417..405602199291d2c9f27548ac2cd6b8394b5b1856 100644 (file)
--- a/lunaix-os/kernel/process/sched.c
+++ b/lunaix-os/kernel/process/sched.c
@@ -2,8 +2,8 @@
 #include <sys/interrupts.h>
 #include <sys/mm/mempart.h>
 
 #include <sys/interrupts.h>
 #include <sys/mm/mempart.h>
 

-#include <hal/cpu.h>

 #include <hal/intc.h>
 #include <hal/intc.h>

+#include <sys/cpu.h>

 
 #include <lunaix/fs/taskfs.h>
 #include <lunaix/mm/cake.h>
 
 #include <lunaix/fs/taskfs.h>
 #include <lunaix/mm/cake.h>


@@ -112,7 +112,7 @@ check_sleepers()
 {
     struct proc_info* leader = sched_ctx._procs[0];
     struct proc_info *pos, *n;
 {
     struct proc_info* leader = sched_ctx._procs[0];
     struct proc_info *pos, *n;

-    time_t now = clock_systime();
+    time_t now = clock_systime() / 1000;

     llist_for_each(pos, n, &leader->sleep.sleepers, sleep.sleepers)
     {
         if (proc_terminated(pos)) {
     llist_for_each(pos, n, &leader->sleep.sleepers, sleep.sleepers)
     {
         if (proc_terminated(pos)) {


@@ -191,12 +191,14 @@ __DEFINE_LXSYSCALL1(unsigned int, sleep, unsigned int, seconds)
         return 0;
     }
 
         return 0;
     }
 

+    time_t systime = clock_systime() / 1000;
+

     if (__current->sleep.wakeup_time) {
     if (__current->sleep.wakeup_time) {

-        return (__current->sleep.wakeup_time - clock_systime()) / 1000U;
+        return (__current->sleep.wakeup_time - systime);

     }
 
     struct proc_info* root_proc = sched_ctx._procs[0];
     }
 
     struct proc_info* root_proc = sched_ctx._procs[0];

-    __current->sleep.wakeup_time = clock_systime() + seconds;
+    __current->sleep.wakeup_time = systime + seconds;

 
     if (llist_empty(&__current->sleep.sleepers)) {
         llist_append(&root_proc->sleep.sleepers, &__current->sleep.sleepers);
 
     if (llist_empty(&__current->sleep.sleepers)) {
         llist_append(&root_proc->sleep.sleepers, &__current->sleep.sleepers);


@@ -213,7 +215,7 @@ __DEFINE_LXSYSCALL1(unsigned int, sleep, unsigned int, seconds)
 __DEFINE_LXSYSCALL1(unsigned int, alarm, unsigned int, seconds)
 {
     time_t prev_ddl = __current->sleep.alarm_time;
 __DEFINE_LXSYSCALL1(unsigned int, alarm, unsigned int, seconds)
 {
     time_t prev_ddl = __current->sleep.alarm_time;

-    time_t now = clock_systime();
+    time_t now = clock_systime() / 1000;

 
     __current->sleep.alarm_time = seconds ? now + seconds : 0;
 
 
     __current->sleep.alarm_time = seconds ? now + seconds : 0;
 


@@ -222,7 +224,7 @@ __DEFINE_LXSYSCALL1(unsigned int, alarm, unsigned int, seconds)
         llist_append(&root_proc->sleep.sleepers, &__current->sleep.sleepers);
     }
 
         llist_append(&root_proc->sleep.sleepers, &__current->sleep.sleepers);
     }
 

-    return prev_ddl ? (prev_ddl - now) / 1000 : 0;
+    return prev_ddl ? (prev_ddl - now) : 0;

 }
 
 __DEFINE_LXSYSCALL1(void, exit, int, status)
 }
 
 __DEFINE_LXSYSCALL1(void, exit, int, status)


@@ -322,6 +324,8 @@ alloc_process()
     llist_init_head(&proc->children);
     llist_init_head(&proc->grp_member);
     llist_init_head(&proc->sleep.sleepers);
     llist_init_head(&proc->children);
     llist_init_head(&proc->grp_member);
     llist_init_head(&proc->sleep.sleepers);

+
+    iopoll_init(&proc->pollctx);

     waitq_init(&proc->waitqueue);
 
     sched_ctx._procs[i] = proc;
     waitq_init(&proc->waitqueue);
 
     sched_ctx._procs[i] = proc;


@@ -371,6 +375,8 @@ destroy_process(pid_t pid)
     llist_delete(&proc->tasks);
     llist_delete(&proc->sleep.sleepers);
 
     llist_delete(&proc->tasks);
     llist_delete(&proc->sleep.sleepers);
 

+    iopoll_free(pid, &proc->pollctx);
+

     taskfs_invalidate(pid);
 
     if (proc->cwd) {
     taskfs_invalidate(pid);
 
     if (proc->cwd) {