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From shus...@apache.org
Subject svn commit: r747577 - /qpid/trunk/qpid/cpp/src/qpid/sys/windows/SystemInfo.cpp
Date Tue, 24 Feb 2009 22:14:52 GMT
Author: shuston
Date: Tue Feb 24 22:14:51 2009
New Revision: 747577

URL: http://svn.apache.org/viewvc?rev=747577&view=rev
Log:
Implement process id and name methods for Windows

Modified:
    qpid/trunk/qpid/cpp/src/qpid/sys/windows/SystemInfo.cpp

Modified: qpid/trunk/qpid/cpp/src/qpid/sys/windows/SystemInfo.cpp
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/cpp/src/qpid/sys/windows/SystemInfo.cpp?rev=747577&r1=747576&r2=747577&view=diff
==============================================================================
--- qpid/trunk/qpid/cpp/src/qpid/sys/windows/SystemInfo.cpp (original)
+++ qpid/trunk/qpid/cpp/src/qpid/sys/windows/SystemInfo.cpp Tue Feb 24 22:14:51 2009
@@ -29,6 +29,7 @@
 #include <winsock2.h>
 #include <ws2tcpip.h>
 #include <windows.h>
+#include <tlhelp32.h>
 
 #ifndef HOST_NAME_MAX
 #  define HOST_NAME_MAX 256
@@ -155,25 +156,43 @@
         machine = "unknown";
         break;
     }
+}
 
 uint32_t SystemInfo::getProcessId()
 {
-    // TODO: Provide Windows implementation
-    return 0;
+    return static_cast<uint32_t>(::GetCurrentProcessId());
 }
 
 uint32_t SystemInfo::getParentProcessId()
 {
-    // TODO: Provide Windows implementation
-    return 0;
+    // Only want info for the current process, so ask for something specific.
+    // The module info won't be used here but it keeps the snapshot limited to
+    // the current process so a search through all processes is not needed.
+    HANDLE snap = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, 0);
+    if (snap == INVALID_HANDLE_VALUE)
+        return 0;
+    PROCESSENTRY32 entry;
+    entry.dwSize = sizeof(entry);
+    if (!Process32First(snap, &entry))
+        entry.th32ParentProcessID = 0;
+    CloseHandle(snap);
+    return static_cast<uint32_t>(entry.th32ParentProcessID);
 }
 
 std::string SystemInfo::getProcessName()
 {
-    // TODO: Provide Windows implementation
-    return std::string();
-}
-
+    // Only want info for the current process, so ask for something specific.
+    // The module info won't be used here but it keeps the snapshot limited to
+    // the current process so a search through all processes is not needed.
+    HANDLE snap = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, 0);
+    if (snap == INVALID_HANDLE_VALUE)
+        return 0;
+    PROCESSENTRY32 entry;
+    entry.dwSize = sizeof(entry);
+    if (!Process32First(snap, &entry))
+        entry.szExeFile[0] = '\0';
+    CloseHandle(snap);
+    return std::string(entry.szExeFile);
 }
 
 }} // namespace qpid::sys



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