Move most platform-specific code into overlay directories

[libs/core.git] / source / time / unix / utils.cpp

diff --git a/source/time/unix/utils.cpp b/source/time/unix/utils.cpp
new file mode 100644 (file)
index 0000000..029c75b
--- /dev/null
+++ b/source/time/unix/utils.cpp
@@ -0,0 +1,36 @@
+#include <sys/resource.h>
+#include <sys/time.h>
+#include <cerrno>
+#include <msp/core/systemerror.h>
+#include "rawtime_private.h"
+#include "timedelta.h"
+#include "timestamp.h"
+#include "utils.h"
+
+namespace Msp {
+namespace Time {
+
+TimeStamp now()
+{
+       timeval tv;
+       gettimeofday(&tv, 0);
+       return TimeStamp(timeval_to_rawtime(tv));
+}
+
+TimeDelta get_cpu_time()
+{
+       rusage ru;
+       getrusage(RUSAGE_SELF, &ru);
+       return (ru.ru_utime.tv_sec+ru.ru_stime.tv_sec)*sec + (ru.ru_utime.tv_usec+ru.ru_stime.tv_usec)*usec;
+}
+
+void sleep(const TimeDelta &d)
+{
+       timespec ts = rawtime_to_timespec(d.raw());
+       while(nanosleep(&ts, 0)==-1)
+               if(errno!=EINTR)
+                       throw system_error("nanosleep");
+}
+
+} // namespace Time
+} // namespace Msp