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scheduler: assign pids and tids

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Matheus
2023-05-13 22:29:35 -03:00
parent df1448b443
commit 0e0c538b15
1 changed files with 11 additions and 3 deletions
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kernel-src/sys/scheduler.c
+11 -3
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@@ -26,6 +26,8 @@ static rqueue_t runqueue[RUNQUEUE_COUNT];
static uint64_t runqueuebitmap;
static spinlock_t runqueuelock;
static pid_t currpid = 1;
proc_t *sched_newproc() {
proc_t *proc = slab_allocate(processcache);
if (proc == NULL)
@@ -52,6 +54,8 @@ proc_t *sched_newproc() {
return NULL;
}
proc->pid = __atomic_fetch_add(&currpid, 1, __ATOMIC_SEQ_CST);
return proc;
}
@@ -72,6 +76,9 @@ thread_t *sched_newthread(void *ip, size_t kstacksize, int priority, proc_t *pro
thread->vmmctx = proc ? NULL : &vmm_kernelctx;
thread->proc = proc;
thread->priority = priority;
if (proc)
thread->tid = __atomic_fetch_add(&currpid, 1, __ATOMIC_SEQ_CST);
CTX_INIT(&thread->context, proc != NULL);
CTX_SP(&thread->context) = proc ? (ctxreg_t)ustack : (ctxreg_t)thread->kernelstacktop;
@@ -112,7 +119,8 @@ static thread_t *runqueuenext(int minprio) {
}
}
thread->flags &= ~SCHED_THREAD_FLAGS_QUEUED;
if (thread)
thread->flags &= ~SCHED_THREAD_FLAGS_QUEUED;
leave:
interrupt_set(intstate);
@@ -340,7 +348,7 @@ void sched_init() {
_cpu()->schedtimerentry.repeatus = QUANTUM_US;
SPINLOCK_INIT(runqueuelock);
_cpu()->idlethread = sched_newthread(cpuidlethread, PAGE_SIZE * 4, 0, NULL, NULL);
_cpu()->idlethread = sched_newthread(cpuidlethread, PAGE_SIZE * 4, 3, NULL, NULL);
__assert(_cpu()->idlethread);
_cpu()->thread = sched_newthread(NULL, PAGE_SIZE * 32, 0, NULL, NULL);
__assert(_cpu()->thread);
@@ -366,7 +374,7 @@ void sched_runinit() {
__assert(proc);
vnode_t *initnode;
__assert(vfs_open(vfsroot, "/init", 0, &initnode) == 0);
__assert(vfs_open(vfsroot, "/usr/bin/bash", 0, &initnode) == 0);
auxv64list_t auxv64;
char *interp = NULL;