119 lines
3.0 KiB
C
119 lines
3.0 KiB
C
#include <id/id_alloc.h>
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#include <libk/assert.h>
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#include <libk/list.h>
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#include <libk/rbtree.h>
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#include <libk/std.h>
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#include <libk/string.h>
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#include <mm/malloc.h>
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#include <mm/pmm.h>
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#include <proc/mail.h>
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#include <proc/mutex.h>
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#include <proc/proc.h>
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#include <proc/procgroup.h>
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#include <proc/reschedule.h>
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#include <proc/resource.h>
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#include <proc/stream.h>
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#include <sync/spin_lock.h>
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#include <sys/debug.h>
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struct proc_resource* proc_find_resource(struct procgroup* procgroup, int rid) {
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struct proc_resource* resource = NULL;
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rbtree_find(struct proc_resource, &procgroup->resource_tree, rid, resource, resource_tree_link,
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rid);
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return resource;
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}
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struct proc_resource* proc_create_resource_mutex(struct procgroup* procgroup) {
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struct proc_resource* resource;
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resource = malloc(sizeof(*resource));
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if (resource == NULL)
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return NULL;
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memset(resource, 0, sizeof(*resource));
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resource->rid = id_alloc(&procgroup->rid_alloc);
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if (resource->rid < 0) {
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free(resource);
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return NULL;
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}
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resource->ops.cleanup = &proc_cleanup_resource_mutex;
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resource->u.mutex.resource = resource;
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resource->type = PR_MUTEX;
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rbtree_insert(struct proc_resource, &procgroup->resource_tree, &resource->resource_tree_link,
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resource_tree_link, rid);
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return resource;
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}
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struct proc_resource* proc_create_resource_mail(struct procgroup* procgroup) {
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struct proc_resource* resource;
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resource = malloc(sizeof(*resource));
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if (resource == NULL)
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return NULL;
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memset(resource, 0, sizeof(*resource));
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resource->rid = id_alloc(&procgroup->rid_alloc);
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if (resource->rid < 0) {
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free(resource);
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return NULL;
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}
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resource->ops.cleanup = &proc_cleanup_resource_mail;
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resource->u.mail.resource = resource;
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resource->type = PR_MAIL;
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rbtree_insert(struct proc_resource, &procgroup->resource_tree, &resource->resource_tree_link,
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resource_tree_link, rid);
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return resource;
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}
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struct proc_resource* proc_create_resource_stream(struct procgroup* procgroup) {
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struct proc_resource* resource;
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resource = malloc(sizeof(*resource));
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if (resource == NULL)
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return NULL;
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memset(resource, 0, sizeof(*resource));
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resource->rid = id_alloc(&procgroup->rid_alloc);
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if (resource->rid < 0) {
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free(resource);
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return NULL;
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}
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resource->ops.cleanup = &proc_cleanup_resource_stream;
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resource->u.stream.resource = resource;
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resource->type = PR_STREAM;
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if (!ringbuffer_init(&resource->u.stream.ringbuffer, PROC_STREAM_MAX, 1)) {
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free(resource);
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return NULL;
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}
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rbtree_insert(struct proc_resource, &procgroup->resource_tree, &resource->resource_tree_link,
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resource_tree_link, rid);
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return resource;
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}
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void proc_delete_resource(struct procgroup* procgroup, struct proc_resource* resource,
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struct reschedule_ctx* rctx) {
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id_free(&procgroup->rid_alloc, resource->rid);
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rbtree_delete(&procgroup->resource_tree, &resource->resource_tree_link);
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resource->ops.cleanup(resource, rctx);
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free(resource);
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}
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