From 0fe90e35dab35dd34c770ccd4d17e8989764bb5f Mon Sep 17 00:00:00 2001
From: yuqing <yuqing@yongche.com>
Date: Wed, 4 Nov 2015 15:02:56 +0800
Subject: [PATCH] add function get_sys_cpu_count()

---
 HISTORY           | 5 +++--
 src/shared_func.c | 9 +++++++++
 src/shared_func.h | 7 +++++++
 3 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/HISTORY b/HISTORY
index f02cfe6..0527e9a 100644
--- a/HISTORY
+++ b/HISTORY
@@ -1,10 +1,11 @@
 
-Version 1.23  2015-11-03
+Version 1.23  2015-11-04
   * sched_thread.c: task can execute in a new thread
   * sched_thread.c: support delay tasks
   * add function get_current_time_us and get_current_time_ms
   * mblock add stat function
-  * add function get_sys_total_mem_size, ONLY support Linux and FreeBSD
+  * add function get_sys_total_mem_size and get_sys_cpu_count,
+    ONLY support Linux and FreeBSD
   * delay task can execute in a new thread
   * fast_mblock reclaimed object pool
 
diff --git a/src/shared_func.c b/src/shared_func.c
index 83b57e6..20fc70b 100644
--- a/src/shared_func.c
+++ b/src/shared_func.c
@@ -2312,3 +2312,12 @@ int get_sys_total_mem_size(int64_t *mem_size)
 #endif
 }
 
+int get_sys_cpu_count()
+{
+#if defined(OS_LINUX) || defined(OS_FREEBSD)
+    return sysconf(_SC_NPROCESSORS_ONLN);
+#else
+#error port me!
+#endif
+}
+
diff --git a/src/shared_func.h b/src/shared_func.h
index bd9cf48..e216a44 100644
--- a/src/shared_func.h
+++ b/src/shared_func.h
@@ -535,6 +535,13 @@ int64_t get_current_time_us();
 */
 int get_sys_total_mem_size(int64_t *mem_size);
 
+
+/** get system CPU count
+ *  parameters:
+ *  return: error no , 0 success, != 0 fail
+*/
+int get_sys_cpu_count();
+
 #ifdef __cplusplus
 }
 #endif