1 files changed, 101 insertions, 0 deletions
diff --git a/src/irmd/reg/pool.c b/src/irmd/reg/pool.c
new file mode 100644
index 00000000..fd983db8
--- /dev/null
+++ b/src/irmd/reg/pool.c
@@ -0,0 +1,101 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2026
+ *
+ * The IPC Resource Manager - Registry - Per-User Pools
+ *
+ *    Dimitri Staessens <dimitri@ouroboros.rocks>
+ *    Sander Vrijders   <sander@ouroboros.rocks>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., http://www.fsf.org/about/contact/.
+ */
+
+#define _POSIX_C_SOURCE 200809L
+
+#define OUROBOROS_PREFIX "reg/pool"
+
+#include <ouroboros/logs.h>
+#include <ouroboros/ssm_pool.h>
+
+#include "pool.h"
+
+#include <assert.h>
+#include <stdlib.h>
+
+struct reg_pool * reg_pool_create(uid_t uid,
+                                  gid_t gid)
+{
+        struct reg_pool * pool;
+
+        pool = malloc(sizeof(*pool));
+        if (pool == NULL) {
+                log_err("Failed to malloc pool.");
+                goto fail_malloc;
+        }
+
+        pool->ssm = ssm_pool_create(uid, gid);
+        if (pool->ssm == NULL) {
+                log_err("Failed to create PUP for uid %d.", uid);
+                goto fail_ssm;
+        }
+
+        list_head_init(&pool->next);
+        pool->uid      = uid;
+        pool->gid      = gid;
+        pool->refcount = 1;
+
+        log_dbg("Created PUP for uid %d gid %d.", uid, gid);
+
+        return pool;
+
+ fail_ssm:
+        free(pool);
+ fail_malloc:
+        return NULL;
+}
+
+void reg_pool_destroy(struct reg_pool * pool)
+{
+        assert(pool != NULL);
+        assert(pool->refcount == 0);
+
+        log_dbg("Destroying PUP for uid %d.", pool->uid);
+
+        ssm_pool_destroy(pool->ssm);
+
+        assert(list_is_empty(&pool->next));
+
+        free(pool);
+}
+
+void reg_pool_ref(struct reg_pool * pool)
+{
+        assert(pool != NULL);
+        assert(pool->refcount > 0);
+
+        pool->refcount++;
+
+        log_dbg("PUP uid %d refcount++ -> %zu.", pool->uid, pool->refcount);
+}
+
+int reg_pool_unref(struct reg_pool * pool)
+{
+        assert(pool != NULL);
+        assert(pool->refcount > 0);
+
+        pool->refcount--;
+
+        log_dbg("PUP uid %d refcount-- -> %zu.", pool->uid, pool->refcount);
+
+        return pool->refcount == 0 ? 0 : 1;
+}