psxhdrs/ucontext/makecontext.c

0001 /**
0002  *  @file
0003  *  @brief makecontext() API Conformance Test
0004  */
0005
0006 /*
0007  * SPDX-License-Identifier: BSD-2-Clause
0008  *
0009  * Copyright (C) 2018 Jacob Shin
0010  *
0011  * Redistribution and use in source and binary forms, with or without
0012  * modification, are permitted provided that the following conditions
0013  * are met:
0014  * 1. Redistributions of source code must retain the above copyright
0015  *    notice, this list of conditions and the following disclaimer.
0016  * 2. Redistributions in binary form must reproduce the above copyright
0017  *    notice, this list of conditions and the following disclaimer in the
0018  *    documentation and/or other materials provided with the distribution.
0019  *
0020  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0021  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0022  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0023  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0024  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0025  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0026  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0027  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0028  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0029  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0030  * POSSIBILITY OF SUCH DAMAGE.
0031  */
0032
0033 #define _XOPEN_SOURCE_EXTENDED 1
0034
0035 #ifdef HAVE_CONFIG_H
0036 #include "config.h"
0037 #endif
0038
0039 #include <ucontext.h>
0040 #include <stdlib.h>
0041
0042 #define STACK_SIZE (1<<15) // 32KiB
0043
0044 int test( void );
0045 void func( void );
0046
0047 int test( void )
0048 {
0049   ucontext_t context;
0050   context.uc_stack.ss_sp = (char *) malloc(STACK_SIZE);
0051   context.uc_stack.ss_size = STACK_SIZE;
0052   context.uc_link = 0;
0053   context.uc_stack.ss_flags = 0;
0054   ucontext_t *ucp = &context;
0055   getcontext(ucp);
0056
0057   makecontext(ucp, (void *)func, 0);
0058
0059   setcontext(ucp);
0060   abort();
0061   return 0;
0062 }
0063
0064 void func( void )
0065 {
0066     return;
0067 }