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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM8PR09MB7095.namprd09.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: a27214b0-5160-48ba-9ced-08da5c4361b7 X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Jul 2022 15:56:09.8021 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 14b77578-9773-42d5-8507-251ca2dc2b06 X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR09MB7371 X-OriginatorOrg: ncbi.nlm.nih.gov X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_EF, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE, T_SPF_HELO_PERMERROR autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: cygwin@cygwin.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: General Cygwin discussions and problem reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 02 Jul 2022 15:56:13 -0000 Looks like your program does not throw an exception on Cygwin (unlike it do= es on Debian), so it terminates normally, and the exit code 0 is not unexpected. Debian's= version calls abort() and that sends a signal and terminates with a code 128+signal= #, and SIGABRT=3D6, so 134 is the expected result. Anton Lavrentiev Contractor NIH/NLM/NCBI