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authorlevine <levine@ae88bc3d-4319-0410-8dbf-d08b4c9d3795>1996-10-21 21:41:34 +0000
committerlevine <levine@ae88bc3d-4319-0410-8dbf-d08b4c9d3795>1996-10-21 21:41:34 +0000
commita5fdebc5f6375078ec1763850a4ca23ec7fe6458 (patch)
treebcf0a25c3d45a209a6e3ac37b233a4812f29c732 /ace/Time_Value.cpp
downloadATCD-a5fdebc5f6375078ec1763850a4ca23ec7fe6458.tar.gz
Initial revision
Diffstat (limited to 'ace/Time_Value.cpp')
-rw-r--r--ace/Time_Value.cpp231
1 files changed, 231 insertions, 0 deletions
diff --git a/ace/Time_Value.cpp b/ace/Time_Value.cpp
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+// Time_Value.cpp
+// $Id$
+
+#define ACE_BUILD_DLL
+#include "ace/ACE.h"
+#include "ace/Time_Value.h"
+
+#if !defined (__ACE_INLINE__)
+#include "ace/Time_Value.i"
+#endif /* __ACE_INLINE__ */
+
+// Static constant representing `zero-time'.
+const ACE_Time_Value ACE_Time_Value::zero;
+
+ACE_ALLOC_HOOK_DEFINE(ACE_Time_Value)
+
+/* Initializes the ACE_Time_Value object from a timeval. */
+
+ACE_Time_Value::ACE_Time_Value (const timeval &tv)
+{
+ ACE_TRACE ("ACE_Time_Value::ACE_Time_Value");
+ this->set (tv);
+}
+
+#if defined(ACE_WIN32)
+// Initializes the ACE_Time_Value object from a Win32 FILETIME
+
+ACE_Time_Value::ACE_Time_Value (const FILETIME &file_time)
+{
+ ACE_TRACE ("ACE_Time_Value::ACE_Time_Value");
+ this->set (file_time);
+}
+
+void ACE_Time_Value::set (const FILETIME &file_time)
+{
+ // Initializes the ACE_Time_Value object from a Win32 FILETIME
+ ACE_QWORD _100ns = ACE_MAKE_QWORD (file_time.dwLowDateTime,
+ file_time.dwHighDateTime);
+ // Convert 100ns units to seconds;
+ this->tv_sec_ = long (_100ns / (10000 * 1000));
+ // Convert remainder to microseconds;
+ this->tv_usec_ = long ((_100ns - (this->tv_sec_ * (10000 * 1000))) / 10);
+}
+
+// Returns the value of the object as a Win32 FILETIME.
+
+ACE_Time_Value::operator FILETIME () const
+{
+ ACE_TRACE ("ACE_Time_Value::operator FILETIME");
+ ACE_QWORD _100ns = ((ACE_QWORD) this->tv_sec_ * (1000 * 1000) + this->tv_usec_) * 10;
+ FILETIME file_time;
+ file_time.dwLowDateTime = ACE_LOW_DWORD (_100ns);
+ file_time.dwHighDateTime = ACE_HIGH_DWORD (_100ns);
+ return file_time;
+}
+
+#endif
+
+void
+ACE_Time_Value::dump (void) const
+{
+ ACE_TRACE ("ACE_Time_Value::dump");
+#if 0
+ if (tv.usec () < 0 || tv.sec () < 0)
+ stream << "-";
+
+ stream << dec << abs (int (tv.sec ())) << "."
+// << setw (6) << setfill ('0')
+ << dec << abs (int (tv.usec ()));
+// I assume
+ inline int abs(int d) { return (d>0)?d:-d; }
+ is defined somewhere */
+#endif /* 0 */
+}
+
+void
+ACE_Time_Value::set (long sec, long usec)
+{
+ ACE_TRACE ("ACE_Time_Value::set");
+ this->tv_sec_ = sec;
+ this->tv_usec_ = usec;
+}
+
+ACE_Time_Value::ACE_Time_Value (long sec, long usec)
+{
+ ACE_TRACE ("ACE_Time_Value::ACE_Time_Value");
+ this->set (sec, usec);
+ this->normalize ();
+}
+
+// Returns the value of the object as a timeval.
+
+ACE_Time_Value::operator timeval () const
+{
+ ACE_TRACE ("ACE_Time_Value::operator timeval");
+ timeval tv;
+ tv.tv_sec = this->tv_sec_;
+ tv.tv_usec = this->tv_usec_;
+ return tv;
+}
+
+// Add TV to this.
+
+void
+ACE_Time_Value::operator+= (const ACE_Time_Value &tv)
+{
+ ACE_TRACE ("ACE_Time_Value::operator+=");
+ this->tv_sec_ += tv.tv_sec_;
+ this->tv_usec_ += tv.tv_usec_;
+ this->normalize ();
+}
+
+// Subtract TV to this.
+
+void
+ACE_Time_Value::operator-= (const ACE_Time_Value &tv)
+{
+ ACE_TRACE ("ACE_Time_Value::operator-=");
+ this->tv_sec_ -= tv.tv_sec_;
+ this->tv_usec_ -= tv.tv_usec_;
+ this->normalize ();
+}
+
+// Adds two ACE_Time_Value objects together, returns the sum.
+
+ACE_Time_Value
+operator + (const ACE_Time_Value &tv1, const ACE_Time_Value &tv2)
+{
+ ACE_TRACE ("operator +");
+ ACE_Time_Value sum (tv1.tv_sec_ + tv2.tv_sec_,
+ tv1.tv_usec_ + tv2.tv_usec_);
+
+ sum.normalize ();
+ return sum;
+}
+
+// Subtracts two ACE_Time_Value objects, returns the difference.
+
+ACE_Time_Value
+operator - (const ACE_Time_Value &tv1, const ACE_Time_Value &tv2)
+{
+ ACE_TRACE ("operator -");
+ ACE_Time_Value delta (tv1.tv_sec_ - tv2.tv_sec_,
+ tv1.tv_usec_ - tv2.tv_usec_);
+ delta.normalize ();
+ return delta;
+}
+
+// True if tv1 > tv2.
+
+int
+operator > (const ACE_Time_Value &tv1, const ACE_Time_Value &tv2)
+{
+ ACE_TRACE ("operator >");
+ if (tv1.tv_sec_ > tv2.tv_sec_)
+ return 1;
+ else if (tv1.tv_sec_ == tv2.tv_sec_
+ && tv1.tv_usec_ > tv2.tv_usec_)
+ return 1;
+ else
+ return 0;
+}
+
+// True if tv1 >= tv2.
+
+int
+operator >= (const ACE_Time_Value &tv1, const ACE_Time_Value &tv2)
+{
+ ACE_TRACE ("operator >=");
+ if (tv1.tv_sec_ > tv2.tv_sec_)
+ return 1;
+ else if (tv1.tv_sec_ == tv2.tv_sec_
+ && tv1.tv_usec_ >= tv2.tv_usec_)
+ return 1;
+ else
+ return 0;
+}
+
+void
+ACE_Time_Value::normalize (void)
+{
+ ACE_TRACE ("ACE_Time_Value::normalize");
+ // New code from Hans Rohnert...
+
+ if (this->tv_usec_ >= ONE_SECOND)
+ {
+ do
+ {
+ this->tv_sec_++;
+ this->tv_usec_ -= ONE_SECOND;
+ }
+ while (this->tv_usec_ >= ONE_SECOND);
+ }
+ else if (this->tv_usec_ <= -ONE_SECOND)
+ {
+ do
+ {
+ this->tv_sec_--;
+ this->tv_usec_ += ONE_SECOND;
+ }
+ while (this->tv_usec_ <= -ONE_SECOND);
+ }
+
+ if (this->tv_sec_ >= 1 && this->tv_usec_ < 0)
+ {
+ this->tv_sec_--;
+ this->tv_usec_ += ONE_SECOND;
+ }
+ else if (this->tv_sec_ < 0 && this->tv_usec_ > 0)
+ {
+ this->tv_sec_++;
+ this->tv_usec_ -= ONE_SECOND;
+ }
+
+#if 0
+ // Old code...
+ while ((this->tv_usec_ >= ONE_SECOND)
+ || (this->tv_sec_ < 0 && this->tv_usec_ > 0 ))
+ {
+ this->tv_usec_ -= ONE_SECOND;
+ this->tv_sec_++;
+ }
+
+ while ((this->tv_usec_ <= -ONE_SECOND)
+ || (this->tv_sec_ > 0 && this->tv_usec_ < 0))
+ {
+ this->tv_usec_ += ONE_SECOND;
+ this->tv_sec_--;
+ }
+#endif
+}