eal: provide current thread identifier

[dpdk.git] / lib / eal / include / rte_thread.h

diff --git a/lib/eal/include/rte_thread.h b/lib/eal/include/rte_thread.h
index 8be8ed8..14478ba 100644 (file)
--- a/lib/eal/include/rte_thread.h
+++ b/lib/eal/include/rte_thread.h
@@ -1,7 +1,10 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  * Copyright(c) 2021 Mellanox Technologies, Ltd
+ * Copyright (C) 2022 Microsoft Corporation
  */
 
+#include <stdint.h>
+
 #include <rte_os.h>
 #include <rte_compat.h>
 
@@ -20,11 +23,30 @@
 extern "C" {
 #endif
 
+/**
+ * Thread id descriptor.
+ */
+typedef struct {
+       uintptr_t opaque_id; /**< thread identifier */
+} rte_thread_t;
+
 /**
  * TLS key type, an opaque pointer.
  */
 typedef struct eal_tls_key *rte_thread_key;
 
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Get the id of the calling thread.
+ *
+ * @return
+ *   Return the thread id of the calling thread.
+ */
+__rte_experimental
+rte_thread_t rte_thread_self(void);
+
 #ifdef RTE_HAS_CPUSET
 
 /**