RE: sc_is_running

That sounds good. In fact, it would seem reasonable for sc_is_running() to be true up until the end_of_simulation callbacks.

Tor

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Tor Jeremiassen, Ph.D.
Simulation and Modeling CTO
SDO Foundational Tools
Texas Instruments                    Ph:    281 274 3483
P.O. Box 1443, MS 730                Fax:   281 274 2703
Houston, TX 77251-1443               Email: tor@ti.com<mailto:tor@ti.com>
________________________________
From: owner-systemc-p1666-technical@eda.org [mailto:owner-systemc-p1666-technical@eda.org] On Behalf Of Bishnupriya Bhattacharya
Sent: Thursday, March 25, 2010 4:34 AM
To: john.aynsley@doulos.com; systemc-p1666-technical@eda.org
Subject: RE: sc_is_running
John,
If I understrand your question correctly, in between or after calls to sc_start(), sc_is_running() should return true if simulation has not ended, and false otherwise. For example, see code below.
int sc_main(...) {
  ...
  sc_start(100, SC_NS);  <---------------- sc_stop() is not called and sc_start() returns to sc_main
  assert(sc_is_running() == true);
  sc_start(); <---------------- sc_stop() is called from a thread process at time 200 ns, and sc_start() returns to sc_main
  assert(sc_is_running() == false);
  return 0;
}
non-OSCI simulators may have other ways of ending simulation besides sc_stop(), but the behavior of sc_is_running() will still be the same if the wording is done in terms of "end of simulation" instead of in terms of sc_stop(), which is what the current wording is.
Does that sound right?
Thanks,
-Bishnupriya
________________________________
From: owner-systemc-p1666-technical@eda.org [mailto:owner-systemc-p1666-technical@eda.org] On Behalf Of john.aynsley@doulos.com
Sent: Thursday, March 25, 2010 2:28 PM
To: systemc-p1666-technical@eda.org
Subject: sc_is_running
The LRM is ambiguous about the value of sc_is_running() when called from sc_main between or after calls to sc_start(). In the OSCI implementation, sc_is_running returns true between or after calls to sc_start(), but then the OSCI sim does not call end_of_simulation unless sc_stop is explicitly called.
Comments? Do we want the LRM to specific the value of sc_is_running() as per the behavior of the OSCI sim?
Thanks
John A
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