Improve handling of no data in Disk and Network IO Meters

2 files changed, 10 insertions, 4 deletions

diff --git a/unsupported/Platform.c b/unsupported/Platform.c
index cc28fd8f..e2d7fa6b 100644
--- a/unsupported/Platform.c
+++ b/unsupported/Platform.c
@@ -141,11 +141,14 @@ char* Platform_getProcessEnv(pid_t pid) {
    return NULL;
 }
 
-void Platform_getDiskIO(unsigned long int *bytesRead, unsigned long int *bytesWrite, unsigned long int *msTimeSpend) {
+bool Platform_getDiskIO(unsigned long int *bytesRead,
+                        unsigned long int *bytesWrite,
+                        unsigned long int *msTimeSpend) {
    *bytesRead = *bytesWrite = *msTimeSpend = 0;
+   return false;
 }
 
-void Platform_getNetworkIO(unsigned long int *bytesReceived,
+bool Platform_getNetworkIO(unsigned long int *bytesReceived,
                            unsigned long int *packetsReceived,
                            unsigned long int *bytesTransmitted,
                            unsigned long int *packetsTransmitted) {
@@ -153,4 +156,5 @@ void Platform_getNetworkIO(unsigned long int *bytesReceived,
    *packetsReceived = 0;
    *bytesTransmitted = 0;
    *packetsTransmitted = 0;
+   return false;
 }
diff --git a/unsupported/Platform.h b/unsupported/Platform.h
index 1049919d..1558d66a 100644
--- a/unsupported/Platform.h
+++ b/unsupported/Platform.h
@@ -47,9 +47,11 @@ bool Process_isThread(const Process* this);
 
 char* Platform_getProcessEnv(pid_t pid);
 
-void Platform_getDiskIO(unsigned long int *bytesRead, unsigned long int *bytesWrite, unsigned long int *msTimeSpend);
+bool Platform_getDiskIO(unsigned long int *bytesRead,
+                        unsigned long int *bytesWrite,
+                        unsigned long int *msTimeSpend);
 
-void Platform_getNetworkIO(unsigned long int *bytesReceived,
+bool Platform_getNetworkIO(unsigned long int *bytesReceived,
                            unsigned long int *packetsReceived,
                            unsigned long int *bytesTransmitted,
                            unsigned long int *packetsTransmitted);