c716e87c53
Fujitsu: POSTK_DEBUG_TEMP_FIX_19 Refs: #976 Change-Id: I16895eab13eecbb47b7e6da961fae82ee5e570ee
65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
#define _GNU_SOURCE
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <error.h>
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#include <sys/mman.h>
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#include "./test_chk.h"
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#include <signal.h>
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#define TEST_NAME "CT_001"
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int main(int argc, char *argv[])
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{
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int rc = 0;
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stack_t cur_stack;
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stack_t set_stack;
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void *stack_area = NULL;
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char *exargv[3] = {argv[0], "stop", NULL};
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char *exenvp[1] = {NULL};
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printf("*** %s start ********************************\n", TEST_NAME);
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rc = sigaltstack(NULL, &cur_stack);
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OKNG(rc != 0, "sigaltstack() to get current returned %d"
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"\n (expect return is 0)", rc);
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OKNG(cur_stack.ss_sp != NULL, "default ss_sp is %p"
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"\n (expect ss_sp is NULL)", cur_stack.ss_sp);
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stack_area = mmap(0, MINSIGSTKSZ, PROT_READ | PROT_WRITE,
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MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
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OKNG(stack_area == MAP_FAILED, "alloc altstack area %p"
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"\n (expect area is valid vaddr)", stack_area);
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set_stack.ss_sp = stack_area;
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set_stack.ss_flags = 0;
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set_stack.ss_size = MINSIGSTKSZ;
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rc = sigaltstack(&set_stack, NULL);
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OKNG(rc != 0, "sigaltstack() to set new stack returned %d"
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"\n (expect return is 0)", rc);
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rc = sigaltstack(NULL, &cur_stack);
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OKNG(rc != 0, "sigaltstack() to get current returned %d"
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"\n (expect return is 0)", rc);
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OKNG(cur_stack.ss_sp != stack_area, "new ss_sp is %p"
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"\n (expect ss_sp is %p)", cur_stack.ss_sp, stack_area);
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if (argc < 2) {
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printf("** Re-run by execve\n");
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execve(exargv[0], exargv, exenvp);
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}
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printf("*** %s PASSED\n\n", TEST_NAME);
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return 0;
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fn_fail:
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printf("*** %s FAILED\n\n", TEST_NAME);
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return -1;
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}
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