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Date:	Mon, 16 Sep 2013 21:08:22 -0400
Message-ID:	<CACMdL5Lj9xszu_rtZ8-t7a-t9EQtEpv3ZxK73MQvOVueU_BbOQ@mail.gmail.com>
Subject:	Gnat with sqlite Ada bindings - 100% CPU problem
From:	Patrick Herbst <paherbst AT gmail DOT com>
To:	cygwin AT cygwin DOT com

Hello,

I'm trying to write an Ada application that uses the Sqlite library.
The application will compile and run until the end of the application
where it will hang, using near 100% CPU.

When I cntrl+c it while running in GDB, it shows:
Program received signal SIGINT, Interrupt.
0x6e015096 in cyggcc_s-1!__deregister_frame_info_bases () from
/usr/bin/cyggcc_s-1.dll

The same application in C exits just fine.

I generated the Ada bindings using
> gcc -fdump-ada-spec /usr/include/sqlite3.h

and my application is as follows
-----------------------------
with sqlite3_h;
with system;
with text_io;
with Interfaces.C.Strings;

procedure test is

  Db : System.Address;
  Name : Interfaces.C.Strings.chars_ptr :=
      Interfaces.C.Strings.New_String ("./test.db");
  ret : interfaces.c.int;

begin

  ret := sqlite3_h.sqlite3_open (Name, Db'address);
  ret := sqlite3_h.sqlite3_close (Db);

  Interfaces.C.Strings.Free (Name);

  text_io.put_line ("Done");

end test;
-----------------------------

Compile using
> gnatmake ./test.adb -largs -lsqlite3

Running the application will print out "Done" and then hang with 100%
CPU.  Not sure if this is a bug with cygwin or gcc.

Any suggestions/help would be greatly appreciated!

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