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-rw-r--r--src/systemc/channel/sc_semaphore.cc28
1 files changed, 13 insertions, 15 deletions
diff --git a/src/systemc/channel/sc_semaphore.cc b/src/systemc/channel/sc_semaphore.cc
index cfae59804..ba52c199b 100644
--- a/src/systemc/channel/sc_semaphore.cc
+++ b/src/systemc/channel/sc_semaphore.cc
@@ -34,43 +34,41 @@
namespace sc_core
{
-sc_semaphore::sc_semaphore(int) :
+sc_semaphore::sc_semaphore(int value) :
sc_interface(), sc_semaphore_if(),
- sc_object(sc_gen_unique_name("semaphore"))
+ sc_object(sc_gen_unique_name("semaphore")), _value(value)
{}
-sc_semaphore::sc_semaphore(const char *name, int) :
- sc_interface(), sc_semaphore_if(), sc_object(name)
+sc_semaphore::sc_semaphore(const char *name, int value) :
+ sc_interface(), sc_semaphore_if(), sc_object(name), _value(value)
{}
int
sc_semaphore::wait()
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ while (trywait() == -1)
+ ::sc_core::wait(posted);
return 0;
}
int
sc_semaphore::trywait()
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
- return 0;
-}
+ if (!_value)
+ return -1;
-int
-sc_semaphore::post()
-{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ _value--;
return 0;
}
int
-sc_semaphore::get_value() const
+sc_semaphore::post()
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ if (_value++ == 0)
+ posted.notify();
return 0;
}
-const char *sc_semaphore::kind() const { return "sc_semaphore"; }
+int sc_semaphore::get_value() const { return _value; }
} // namespace sc_core