2ac8589a25
error: Path relative to repository other than nuttx must begin with the root directory Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
117 lines
3.5 KiB
C
117 lines
3.5 KiB
C
/****************************************************************************
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* apps/examples/nxflat/tests/longjmp/longjmp.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <stdio.h>
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#include <setjmp.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define MAIN_VAL 47
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#define FUNC_VAL 92
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#define LEAF_VAL 163
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#define FUNCTION_ARG MAIN_VAL
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#define LEAF_ARG (FUNCTION_ARG + FUNC_VAL)
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#define SETJMP_RETURN (LEAF_ARG + LEAF_VAL)
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/****************************************************************************
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* Private Data
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****************************************************************************/
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static jmp_buf env;
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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static int leaf(int *some_arg)
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{
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int some_local_variable = *some_arg + LEAF_VAL;
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printf("leaf: received %d\n", *some_arg);
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if (*some_arg != LEAF_ARG)
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printf("leaf: ERROR: expected %d\n", LEAF_ARG);
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printf("leaf: Calling longjmp() with %d\n", some_local_variable);
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longjmp(env, some_local_variable);
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/* We should not get here */
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return -ERROR;
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}
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static int function(int some_arg)
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{
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int some_local_variable = some_arg + FUNC_VAL;
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int retval;
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printf("function: received %d\n", some_arg);
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if (some_arg != FUNCTION_ARG)
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printf("function: ERROR: expected %d\n", FUNCTION_ARG);
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printf("function: Calling leaf() with %d\n", some_local_variable);
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retval = leaf(&some_local_variable);
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printf("function: ERROR -- leaf returned!\n");
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return retval;
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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int main(int argc, char **argv)
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{
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int value;
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printf("main: Calling setjmp\n");
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value = setjmp(env);
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printf("main: setjmp returned %d\n", value);
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if (value == 0)
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{
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printf("main: Normal setjmp return\n");
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printf("main: Calling function with %d\n", MAIN_VAL);
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function(MAIN_VAL);
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printf("main: ERROR -- function returned!\n");
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return 1;
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}
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else if (value != SETJMP_RETURN)
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{
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printf("main: ERROR: Expected %d\n", SETJMP_RETURN);
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return 1;
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}
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else
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{
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printf("main: SUCCESS: setjmp return from longjmp call\n");
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return 0;
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}
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}
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