44 lines
923 B
C
44 lines
923 B
C
#define _GNU_SOURCE 1
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/mman.h>
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#include <errno.h>
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#include "./test_chk.h"
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#define TEST_NAME "CT_005"
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#define MAP_SIZE 0x2000000
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int main(int argc, char **argv)
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{
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void *map, *remap;
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int __errno;
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printf("*** %s start *******************************\n", TEST_NAME);
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map = mmap(0, MAP_SIZE, PROT_READ | PROT_WRITE,
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MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
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OKNG(map == MAP_FAILED, "mmap returned :%p", map);
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errno = 0;
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remap = mremap(map, MAP_SIZE, 0xffffffffffffe000, MREMAP_MAYMOVE);
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__errno = errno;
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OKNG(remap != MAP_FAILED, "mremap returned :%p"
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" (expect return is MAP_FAILED)", remap);
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OKNG(__errno != ENOMEM, "errno after mremap :%d"
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" (expect error is ENOMEM(%d))", __errno, ENOMEM);
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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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