1 files changed, 91 insertions, 0 deletions
diff --git a/security/wazuh-manager/files/pthreads_portable.c b/security/wazuh-manager/files/pthreads_portable.c
new file mode 100644
index 000000000000..fe9be28e725b
--- /dev/null
+++ b/security/wazuh-manager/files/pthreads_portable.c
@@ -0,0 +1,91 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2025 J. Cardenas Marquez <acm@FreeBSD.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "pthreads_portable.h"
+
+int portable_rwlock_init(portable_rwlock_t *rw) {
+    if (pthread_mutex_init(&rw->lock, NULL) != 0) return -1;
+    if (pthread_cond_init(&rw->readers_ok, NULL) != 0) return -1;
+    if (pthread_cond_init(&rw->writers_ok, NULL) != 0) return -1;
+    rw->active_readers = 0;
+    rw->waiting_writers = 0;
+    rw->writer_active = 0;
+    return 0;
+}
+
+int portable_rwlock_rdlock(portable_rwlock_t *rw) {
+    if (pthread_mutex_lock(&rw->lock) != 0) return -1;
+    while (rw->writer_active || rw->waiting_writers > 0) {
+        if (pthread_cond_wait(&rw->readers_ok, &rw->lock) != 0) {
+            pthread_mutex_unlock(&rw->lock);
+            return -1;
+        }
+    }
+    rw->active_readers++;
+    return pthread_mutex_unlock(&rw->lock);
+}
+
+int portable_rwlock_rdunlock(portable_rwlock_t *rw) {
+    if (pthread_mutex_lock(&rw->lock) != 0) return -1;
+    rw->active_readers--;
+    if (rw->active_readers == 0 && rw->waiting_writers > 0)
+        pthread_cond_signal(&rw->writers_ok);
+    return pthread_mutex_unlock(&rw->lock);
+}
+
+int portable_rwlock_wrlock(portable_rwlock_t *rw) {
+    if (pthread_mutex_lock(&rw->lock) != 0) return -1;
+    rw->waiting_writers++;
+    while (rw->writer_active || rw->active_readers > 0) {
+        if (pthread_cond_wait(&rw->writers_ok, &rw->lock) != 0) {
+            rw->waiting_writers--;
+            pthread_mutex_unlock(&rw->lock);
+            return -1;
+        }
+    }
+    rw->waiting_writers--;
+    rw->writer_active = 1;
+    return pthread_mutex_unlock(&rw->lock);
+}
+
+int portable_rwlock_wrunlock(portable_rwlock_t *rw) {
+    if (pthread_mutex_lock(&rw->lock) != 0) return -1;
+    rw->writer_active = 0;
+    if (rw->waiting_writers > 0)
+        pthread_cond_signal(&rw->writers_ok);
+    else
+        pthread_cond_broadcast(&rw->readers_ok);
+    return pthread_mutex_unlock(&rw->lock);
+}
+
+int portable_rwlock_destroy(portable_rwlock_t *rw) {
+    if (pthread_mutex_destroy(&rw->lock) != 0) return -1;
+    if (pthread_cond_destroy(&rw->readers_ok) != 0) return -1;
+    if (pthread_cond_destroy(&rw->writers_ok) != 0) return -1;
+    return 0;
+}