eal: move thread affinity functions to new file

Move the definition of the functions
rte_thread_set_affinity and rte_thread_get_affinity
to new file, rte_thread.h

The file will implement generic threading functionality
and will only host threading functions which do not reference
pthread API.

Signed-off-by: Tal Shnaiderman <talshn@nvidia.com>
Signed-off-by: Thomas Monjalon <thomas@monjalon.net>

3 files changed, 49 insertions, 21 deletions

diff --git a/lib/librte_eal/include/meson.build b/lib/librte_eal/include/meson.build
index dc007084ff..0dea342e1d 100644
--- a/lib/librte_eal/include/meson.build
+++ b/lib/librte_eal/include/meson.build
@@ -40,6 +40,7 @@ headers += files(
 	'rte_service_component.h',
 	'rte_string_fns.h',
 	'rte_tailq.h',
+	'rte_thread.h',
 	'rte_time.h',
 	'rte_trace.h',
 	'rte_trace_point.h',
diff --git a/lib/librte_eal/include/rte_lcore.h b/lib/librte_eal/include/rte_lcore.h
index 48b87e253a..0fe0bd839c 100644
--- a/lib/librte_eal/include/rte_lcore.h
+++ b/lib/librte_eal/include/rte_lcore.h
@@ -15,6 +15,7 @@
 #include <rte_per_lcore.h>
 #include <rte_eal.h>
 #include <rte_launch.h>
+#include <rte_thread.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -358,27 +359,6 @@ void
 rte_lcore_dump(FILE *f);
 
 /**
- * Set core affinity of the current thread.
- * Support both EAL and non-EAL thread and update TLS.
- *
- * @param cpusetp
- *   Point to cpu_set_t for setting current thread affinity.
- * @return
- *   On success, return 0; otherwise return -1;
- */
-int rte_thread_set_affinity(rte_cpuset_t *cpusetp);
-
-/**
- * Get core affinity of the current thread.
- *
- * @param cpusetp
- *   Point to cpu_set_t for getting current thread cpu affinity.
- *   It presumes input is not NULL, otherwise it causes panic.
- *
- */
-void rte_thread_get_affinity(rte_cpuset_t *cpusetp);
-
-/**
  * Set thread names.
  *
  * @note It fails with glibc < 2.12.
diff --git a/lib/librte_eal/include/rte_thread.h b/lib/librte_eal/include/rte_thread.h
new file mode 100644
index 0000000000..a1ced3cf72
--- /dev/null
+++ b/lib/librte_eal/include/rte_thread.h
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2021 Mellanox Technologies, Ltd
+ */
+
+#include <rte_os.h>
+
+#ifndef _RTE_THREAD_H_
+#define _RTE_THREAD_H_
+
+/**
+ * @file
+ *
+ * Threading functions
+ *
+ * Simple threads functionality supplied by EAL.
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Set core affinity of the current thread.
+ * Support both EAL and non-EAL thread and update TLS.
+ *
+ * @param cpusetp
+ *   Pointer to CPU affinity to set.
+ * @return
+ *   On success, return 0; otherwise return -1;
+ */
+int rte_thread_set_affinity(rte_cpuset_t *cpusetp);
+
+/**
+ * Get core affinity of the current thread.
+ *
+ * @param cpusetp
+ *   Pointer to CPU affinity of current thread.
+ *   It presumes input is not NULL, otherwise it causes panic.
+ *
+ */
+void rte_thread_get_affinity(rte_cpuset_t *cpusetp);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTE_THREAD_H_ */