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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
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@ -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)