Added macOS-only api calls

At the current state, this objective-c++ file is used only to enable-disable AppNap. In the future it can be used for more macOS-only related activities Co-authored-by: Claudio Fantacci <claudio.fantacci@iit.it>
francesco-romano · Mar 30, 2017 · 4edc999 · 4edc999
1 parent 4d17762
commit 4edc999
Show file tree

Hide file tree

Showing 5 changed files with 58 additions and 0 deletions.
diff --git a/src/libYARP_OS/CMakeLists.txt b/src/libYARP_OS/CMakeLists.txt
@@ -348,6 +348,12 @@ set(YARP_OS_SRCS src/AbstractCarrier.cpp
                  src/hmac_sha2.c
                  src/sha2.c
                  src/QosStyle.cpp)
+
+
+if(APPLE)
+  list(APPEND YARP_OS_IMPL_HDRS include/yarp/os/impl/MacOSAPI.h)
+  list(APPEND YARP_OS_SRCS src/MacOSAPI.mm)
+endif()
 
 if(NOT YARP_NO_DEPRECATED)
   set(YARP_OS_DEPRECATED_SRCS src/Module.cpp) # since YARP 2.3.65
@@ -404,6 +410,10 @@ add_library(YARP::YARP_OS ALIAS YARP_OS)
 
 target_link_libraries(YARP_OS PRIVATE ${ACE_LIBRARIES})
 
+if(APPLE)
+  target_link_libraries(YARP_OS PRIVATE "-framework Foundation")
+endif()
+
 set_property(TARGET YARP_OS PROPERTY PUBLIC_HEADER ${YARP_OS_HDRS})
 set_property(TARGET YARP_OS PROPERTY PRIVATE_HEADER ${YARP_OS_IMPL_HDRS})
 

diff --git a/src/libYARP_OS/include/yarp/os/SystemInfo.h b/src/libYARP_OS/include/yarp/os/SystemInfo.h
@@ -162,6 +162,8 @@ class YARP_OS_API yarp::os::SystemInfo
     static ProcessInfo getProcessInfo(int pid);
 
     //static NetworkInfo getNetworkInfo();
+
+    static void toggleEnergySavingMode(bool enable);
 };
 
 #endif // YARP_OS_SYSTEMINFO_H

diff --git a/src/libYARP_OS/include/yarp/os/impl/MacOSAPI.h b/src/libYARP_OS/include/yarp/os/impl/MacOSAPI.h
@@ -0,0 +1,8 @@
+#ifndef YARP_OS_MACOSAPI_H
+#define YARP_OS_MACOSAPI_H
+
+void* enableAppNap();
+void disableAppNap(void *activityInfo);
+
+
+#endif /* end of include guard: YARP_OS_MACOSAPI_H */
diff --git a/src/libYARP_OS/src/MacOSAPI.mm b/src/libYARP_OS/src/MacOSAPI.mm
@@ -0,0 +1,19 @@
+#import "yarp/os/impl/MacOSAPI.h"
+
+#import <Foundation/Foundation.h>
+
+void* enableAppNap()
+{
+    NSProcessInfo *processInfo = [NSProcessInfo processInfo];
+    id activity = [processInfo beginActivityWithOptions:NSActivityLatencyCritical | NSActivityUserInitiated
+                                                 reason:@"YARP requires AppNap off"];
+    return activity;
+}
+
+void disableAppNap(void *activityInfo)
+{
+    id activity = (id)activityInfo;
+    if (!activity) return;
+    NSProcessInfo *processInfo = [NSProcessInfo processInfo];
+    [processInfo endActivity:activity];
+}
diff --git a/src/libYARP_OS/src/SystemInfo.cpp b/src/libYARP_OS/src/SystemInfo.cpp
@@ -923,3 +923,22 @@ SystemInfo::ProcessInfo SystemInfo::getProcessInfo(int pid) {
 #endif
     return info;
 }
+
+#ifdef __APPLE__
+#include "yarp/os/impl/MacOSAPI.h"
+#endif
+
+
+void SystemInfo::toggleEnergySavingMode(bool enable)
+{
+#ifdef __APPLE__
+    static void* handle = 0;
+    if (!enable && !handle) {
+        handle = enableAppNap();
+    } else {
+        disableAppNap(handle);
+    }
+
+#endif
+}
+