/* SPDX-License-Identifier: BSD-2-Clause */ /* Test_task2 * * This task attempts to receive control of a global semaphore. * If running on the node on which the semaphore resides, the wait is * forever, otherwise it times out on a remote semaphore. * * Input parameters: * argument - task argument * * Output parameters: NONE * * COPYRIGHT (c) 1989-2009. * On-Line Applications Research Corporation (OAR). * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "system.h" rtems_task Test_task2( rtems_task_argument argument ) { rtems_status_code status; puts( "Getting SMID of semaphore" ); do { status = rtems_semaphore_ident( Semaphore_name[ 1 ], RTEMS_SEARCH_ALL_NODES, &Semaphore_id[ 1 ] ); } while ( !rtems_is_status_successful( status ) ); directive_failed( status, "rtems_semaphore_ident" ); if ( rtems_object_get_local_node() == 1 ) { status = rtems_task_wake_after( rtems_clock_get_ticks_per_second() ); directive_failed( status, "rtems_task_wake_after" ); puts( "Releasing semaphore ..." ); status = rtems_semaphore_release( Semaphore_id[ 1 ] ); directive_failed( status, "rtems_semaphore_release" ); status = rtems_task_wake_after( rtems_clock_get_ticks_per_second() / 2 ); directive_failed( status, "rtems_task_wake_after" ); puts( "Getting semaphore ..." ); status = rtems_semaphore_obtain( Semaphore_id[ 1 ], RTEMS_DEFAULT_OPTIONS, RTEMS_NO_TIMEOUT ); directive_failed( status, "rtems_semaphore_obtain" ); puts( "Getting semaphore ..." ); status = rtems_semaphore_obtain( Semaphore_id[ 1 ], RTEMS_DEFAULT_OPTIONS, RTEMS_NO_TIMEOUT ); puts( "How did I get back from here????" ); directive_failed( status, "rtems_semaphore_obtain" ); } /* status = rtems_task_wake_after( rtems_clock_get_ticks_per_second() / 2 ); directive_failed( status, "rtems_task_wake_after" ); */ puts( "Getting semaphore ..." ); status = rtems_semaphore_obtain( Semaphore_id[ 1 ], RTEMS_DEFAULT_OPTIONS, RTEMS_NO_TIMEOUT ); directive_failed( status, "rtems_semaphore_obtain" ); puts( "Releasing semaphore ..." ); status = rtems_semaphore_release( Semaphore_id[ 1 ] ); directive_failed( status, "rtems_semaphore_release" ); status = rtems_task_wake_after( rtems_clock_get_ticks_per_second() ); directive_failed( status, "rtems_task_wake_after" ); puts( "Getting semaphore ..." ); status = rtems_semaphore_obtain( Semaphore_id[ 1 ], RTEMS_DEFAULT_OPTIONS, 2 * rtems_clock_get_ticks_per_second() ); fatal_directive_status( status, RTEMS_TIMEOUT, "rtems_semaphore_obtain" ); puts( "rtems_semaphore_obtain correctly returned RTEMS_TIMEOUT" ); puts( "*** END OF TEST 13 ***" ); rtems_test_exit( 0 ); }