diff --git a/README.md b/README.md
index 8956316..8cb04e6 100755
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 [![Build status](https://ci.appveyor.com/api/projects/status/github/mutouyun/cpp-ipc?branch=master&svg=true)](https://ci.appveyor.com/project/mutouyun/cpp-ipc)
 [![Vcpkg package](https://img.shields.io/badge/Vcpkg-package-blueviolet)](https://github.com/microsoft/vcpkg/tree/master/ports/cpp-ipc)
 
-## A high-performance inter-process communication library using shared memory on Linux/Windows.
+## A high-performance inter-process communication library using shared memory on Linux/Windows/FreeBSD.
 
  * Compilers with C++17 support are recommended (msvc-2017/gcc-7/clang-4)
  * No other dependencies except STL.
@@ -44,7 +44,7 @@ Performance data: [performance.xlsx](performance.xlsx)
 ------
 
 
-## 使用共享内存的跨平台（Linux/Windows，x86/x64/ARM）高性能IPC通讯库
+## 使用共享内存的跨平台（Linux/Windows/FreeBSD，x86/x64/ARM）高性能IPC通讯库
 
  * 推荐支持C++17的编译器（msvc-2017/gcc-7/clang-4）
  * 除STL外，无其他依赖
diff --git a/src/libipc/platform/detail.h b/src/libipc/platform/detail.h
index 4d6a27c..69e6b89 100755
--- a/src/libipc/platform/detail.h
+++ b/src/libipc/platform/detail.h
@@ -9,6 +9,8 @@
 #   define IPC_OS_WINDOWS_
 #elif defined(__linux__) || defined(__linux)
 #   define IPC_OS_LINUX_
+#elif defined(__FreeBSD__)
+#   define IPC_OS_FREEBSD_
 #elif defined(__QNX__)
 #   define IPC_OS_QNX_
 #elif defined(__APPLE__)
diff --git a/src/libipc/platform/platform.c b/src/libipc/platform/platform.c
index 49cc977..d670e70 100644
--- a/src/libipc/platform/platform.c
+++ b/src/libipc/platform/platform.c
@@ -7,7 +7,7 @@
 #include "libipc/platform/linux/a0/strconv.c"
 #include "libipc/platform/linux/a0/tid.c"
 #include "libipc/platform/linux/a0/time.c"
-#elif defined(IPC_OS_QNX_)
+#elif defined(IPC_OS_QNX_) || defined(IPC_OS_FREEBSD_)
 #else/*IPC_OS*/
 #   error "Unsupported platform."
 #endif
diff --git a/src/libipc/platform/platform.cpp b/src/libipc/platform/platform.cpp
index b77cbc9..f00113b 100644
--- a/src/libipc/platform/platform.cpp
+++ b/src/libipc/platform/platform.cpp
@@ -2,7 +2,7 @@
 #include "libipc/platform/detail.h"
 #if defined(IPC_OS_WINDOWS_)
 #include "libipc/platform/win/shm_win.cpp"
-#elif defined(IPC_OS_LINUX_) || defined(IPC_OS_QNX_)
+#elif defined(IPC_OS_LINUX_) || defined(IPC_OS_QNX_) || defined(IPC_OS_FREEBSD_)
 #include "libipc/platform/posix/shm_posix.cpp"
 #else/*IPC_OS*/
 #   error "Unsupported platform."
diff --git a/src/libipc/sync/condition.cpp b/src/libipc/sync/condition.cpp
index e64e688..695f9a4 100644
--- a/src/libipc/sync/condition.cpp
+++ b/src/libipc/sync/condition.cpp
@@ -9,7 +9,7 @@
 #include "libipc/platform/win/condition.h"
 #elif defined(IPC_OS_LINUX_)
 #include "libipc/platform/linux/condition.h"
-#elif defined(IPC_OS_QNX_)
+#elif defined(IPC_OS_QNX_) || defined(IPC_OS_FREEBSD_)
 #include "libipc/platform/posix/condition.h"
 #else/*IPC_OS*/
 #   error "Unsupported platform."
diff --git a/src/libipc/sync/mutex.cpp b/src/libipc/sync/mutex.cpp
index c9c59f7..104c4fc 100644
--- a/src/libipc/sync/mutex.cpp
+++ b/src/libipc/sync/mutex.cpp
@@ -9,7 +9,7 @@
 #include "libipc/platform/win/mutex.h"
 #elif defined(IPC_OS_LINUX_)
 #include "libipc/platform/linux/mutex.h"
-#elif defined(IPC_OS_QNX_)
+#elif defined(IPC_OS_QNX_) || defined(IPC_OS_FREEBSD_)
 #include "libipc/platform/posix/mutex.h"
 #else/*IPC_OS*/
 #   error "Unsupported platform."
diff --git a/src/libipc/sync/semaphore.cpp b/src/libipc/sync/semaphore.cpp
index ccb13c4..720ef07 100644
--- a/src/libipc/sync/semaphore.cpp
+++ b/src/libipc/sync/semaphore.cpp
@@ -7,7 +7,7 @@
 #include "libipc/platform/detail.h"
 #if defined(IPC_OS_WINDOWS_)
 #include "libipc/platform/win/semaphore.h"
-#elif defined(IPC_OS_LINUX_) || defined(IPC_OS_QNX_)
+#elif defined(IPC_OS_LINUX_) || defined(IPC_OS_QNX_) || defined(IPC_OS_FREEBSD_)
 #include "libipc/platform/posix/semaphore_impl.h"
 #else/*IPC_OS*/
 #   error "Unsupported platform."
diff --git a/src/libipc/sync/waiter.cpp b/src/libipc/sync/waiter.cpp
index 3a04abf..78cdee1 100644
--- a/src/libipc/sync/waiter.cpp
+++ b/src/libipc/sync/waiter.cpp
@@ -5,7 +5,7 @@
 #include "libipc/platform/win/mutex.h"
 #elif defined(IPC_OS_LINUX_)
 #include "libipc/platform/linux/mutex.h"
-#elif defined(IPC_OS_QNX_)
+#elif defined(IPC_OS_QNX_) || defined(IPC_OS_FREEBSD_)
 #include "libipc/platform/posix/mutex.h"
 #else/*IPC_OS*/
 #   error "Unsupported platform."