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Bugfix for concurrent Context creation in Java and .NET.

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Relates to #205 #245
This commit is contained in:
Christoph M. Wintersteiger 2015-10-14 13:58:51 +01:00
parent 2d2ec38541
commit 24532474a0
3 changed files with 44 additions and 26 deletions
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23
src/api/dotnet/Context.cs
View file

@ -37,8 +37,11 @@ namespace Microsoft.Z3
public Context()
: base()
{
m_ctx = Native.Z3_mk_context_rc(IntPtr.Zero);
InitContext();
lock (creation_lock)
{
m_ctx = Native.Z3_mk_context_rc(IntPtr.Zero);
InitContext();
}
}
/// <summary>
@ -64,12 +67,15 @@ namespace Microsoft.Z3
{
Contract.Requires(settings != null);
IntPtr cfg = Native.Z3_mk_config();
foreach (KeyValuePair<string, string> kv in settings)
Native.Z3_set_param_value(cfg, kv.Key, kv.Value);
m_ctx = Native.Z3_mk_context_rc(cfg);
Native.Z3_del_config(cfg);
InitContext();
lock (creation_lock)
{
IntPtr cfg = Native.Z3_mk_config();
foreach (KeyValuePair<string, string> kv in settings)
Native.Z3_set_param_value(cfg, kv.Key, kv.Value);
m_ctx = Native.Z3_mk_context_rc(cfg);
Native.Z3_del_config(cfg);
InitContext();
}
}
#endregion
@ -4381,6 +4387,7 @@ namespace Microsoft.Z3
#region Internal
internal IntPtr m_ctx = IntPtr.Zero;
internal Native.Z3_error_handler m_n_err_handler = null;
internal static Object creation_lock = new Object();
internal IntPtr nCtx { get { return m_ctx; } }
internal void NativeErrorHandler(IntPtr ctx, Z3_error_code errorCode)

25
src/api/java/Context.java
View file

@ -30,10 +30,12 @@ public class Context extends IDisposable
* Constructor.
**/
public Context()
{
{
super();
m_ctx = Native.mkContextRc(0);
initContext();
synchronized (creation_lock) {
m_ctx = Native.mkContextRc(0);
initContext();
}
}
/**
@ -56,12 +58,14 @@ public class Context extends IDisposable
public Context(Map<String, String> settings)
{
super();
long cfg = Native.mkConfig();
for (Map.Entry<String, String> kv : settings.entrySet())
Native.setParamValue(cfg, kv.getKey(), kv.getValue());
m_ctx = Native.mkContextRc(cfg);
Native.delConfig(cfg);
initContext();
synchronized (creation_lock) {
long cfg = Native.mkConfig();
for (Map.Entry<String, String> kv : settings.entrySet())
Native.setParamValue(cfg, kv.getKey(), kv.getValue());
m_ctx = Native.mkContextRc(cfg);
Native.delConfig(cfg);
initContext();
}
}
/**
@ -3638,7 +3642,8 @@ public class Context extends IDisposable
Native.updateParamValue(nCtx(), id, value);
}
long m_ctx = 0;
protected long m_ctx = 0;
protected static Object creation_lock = new Object();
long nCtx()
{

22
src/api/java/InterpolationContext.java
View file

@ -35,8 +35,11 @@ public class InterpolationContext extends Context
**/
public InterpolationContext()
{
m_ctx = Native.mkInterpolationContext(0);
initContext();
super();
synchronized(creation_lock) {
m_ctx = Native.mkInterpolationContext(0);
initContext();
}
}
/**
@ -48,12 +51,15 @@ public class InterpolationContext extends Context
**/
public InterpolationContext(Map<String, String> settings)
{
long cfg = Native.mkConfig();
for (Map.Entry<String, String> kv : settings.entrySet())
Native.setParamValue(cfg, kv.getKey(), kv.getValue());
m_ctx = Native.mkInterpolationContext(cfg);
Native.delConfig(cfg);
initContext();
super();
synchronized(creation_lock) {
long cfg = Native.mkConfig();
for (Map.Entry<String, String> kv : settings.entrySet())
Native.setParamValue(cfg, kv.getKey(), kv.getValue());
m_ctx = Native.mkInterpolationContext(cfg);
Native.delConfig(cfg);
initContext();
}
}
/**