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-rw-r--r--SystemInformation.cxx29
1 files changed, 20 insertions, 9 deletions
diff --git a/SystemInformation.cxx b/SystemInformation.cxx
index ed1cdc0..9c34a56 100644
--- a/SystemInformation.cxx
+++ b/SystemInformation.cxx
@@ -863,7 +863,7 @@ void SystemInformation::RunMemoryCheck()
// Hide implementation details in an anonymous namespace.
namespace {
// *****************************************************************************
-#if defined(__linux) || defined(__APPLE__)
+#if defined(__linux) || defined(__APPLE__) || defined(__CYGWIN__)
int LoadLines(FILE* file, std::vector<std::string>& lines)
{
// Load each line in the given file into a the vector.
@@ -893,7 +893,7 @@ int LoadLines(FILE* file, std::vector<std::string>& lines)
return nRead;
}
-# if defined(__linux)
+# if defined(__linux) || defined(__CYGWIN__)
// *****************************************************************************
int LoadLines(const char* fileName, std::vector<std::string>& lines)
{
@@ -926,7 +926,7 @@ int NameValue(std::vector<std::string> const& lines, std::string const& name,
}
#endif
-#if defined(__linux)
+#if defined(__linux) || defined(__CYGWIN__)
// ****************************************************************************
template <typename T>
int GetFieldsFromFile(const char* fileName, const char** fieldNames, T* values)
@@ -3393,7 +3393,7 @@ bool SystemInformationImplementation::RetreiveInformationFromCpuInfoFile()
pos = buffer.find("processor\t", pos + 1);
}
-#ifdef __linux
+#if defined(__linux) || defined(__CYGWIN__)
// Count sockets.
std::set<int> PhysicalIDs;
std::string idc = this->ExtractValueFromCpuInfoFile(buffer, "physical id");
@@ -3414,8 +3414,8 @@ bool SystemInformationImplementation::RetreiveInformationFromCpuInfoFile()
this->NumberOfPhysicalCPU =
NumberOfCoresPerSocket * (unsigned int)NumberOfSockets;
-#else // __CYGWIN__
- // does not have "physical id" entries, neither "cpu cores"
+#else
+ // For systems which do not have "physical id" entries, neither "cpu cores"
// this has to be fixed for hyper-threading.
std::string cpucount =
this->ExtractValueFromCpuInfoFile(buffer, "cpu count");
@@ -3597,7 +3597,7 @@ long long SystemInformationImplementation::GetHostMemoryTotal()
GlobalMemoryStatusEx(&statex);
return statex.ullTotalPhys / 1024;
# endif
-#elif defined(__linux)
+#elif defined(__linux) || defined(__CYGWIN__)
long long memTotal = 0;
int ierr = GetFieldFromFile("/proc/meminfo", "MemTotal:", memTotal);
if (ierr) {
@@ -3712,6 +3712,16 @@ long long SystemInformationImplementation::GetHostMemoryUsed()
GlobalMemoryStatusEx(&statex);
return (statex.ullTotalPhys - statex.ullAvailPhys) / 1024;
# endif
+#elif defined(__CYGWIN__)
+ const char* names[3] = { "MemTotal:", "MemFree:", nullptr };
+ long long values[2] = { 0 };
+ int ierr = GetFieldsFromFile("/proc/meminfo", names, values);
+ if (ierr) {
+ return ierr;
+ }
+ long long& memTotal = values[0];
+ long long& memFree = values[1];
+ return memTotal - memFree;
#elif defined(__linux)
// First try to use MemAvailable, but it only works on newer kernels
const char* names2[3] = { "MemTotal:", "MemAvailable:", nullptr };
@@ -3773,7 +3783,7 @@ long long SystemInformationImplementation::GetProcMemoryUsed()
return -2;
}
return pmc.WorkingSetSize / 1024;
-#elif defined(__linux)
+#elif defined(__linux) || defined(__CYGWIN__)
long long memUsed = 0;
int ierr = GetFieldFromFile("/proc/self/status", "VmRSS:", memUsed);
if (ierr) {
@@ -3850,7 +3860,8 @@ long long SystemInformationImplementation::GetProcessId()
#if defined(_WIN32)
return GetCurrentProcessId();
#elif defined(__linux) || defined(__APPLE__) || defined(__OpenBSD__) || \
- defined(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__)
+ defined(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || \
+ defined(__CYGWIN__)
return getpid();
#else
return -1;