9a20cfaefb
Fujitsu: POSTK_DEBUG_TEMP_FIX_52 Refs: #1164 Change-Id: Idb9a6eac1d2e1df4c663c3171925c774421177fd
82 lines
1.6 KiB
C
82 lines
1.6 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/mman.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <errno.h>
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#include "./test_chk.h"
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#define TEST_NAME "CT_001"
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#define PROCFILE_LEN 128
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#define MAP_LEN 4096
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#define DEV_NAME "/dev/test_mck/mmap_dev2"
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int main(int argc, char *argv[])
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{
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int dev_fd = 0, fd = 0, i = 0;
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pid_t pid = getpid();
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char pfname[PROCFILE_LEN];
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void *dev_map = NULL;
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unsigned long *read_buf = NULL;
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off_t ret = 0;
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printf("*** %s start *******************************\n", TEST_NAME);
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/* open device file */
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dev_fd = open(DEV_NAME, O_RDONLY);
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OKNG(dev_fd < 0, "open test_device_file:%s", DEV_NAME);
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/* mmap device file */
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dev_map = mmap(NULL, MAP_LEN, PROT_READ, MAP_SHARED, dev_fd, 0);
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OKNG(dev_map == MAP_FAILED, "mmap device file");
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printf(" map dev_file to %p\n", dev_map);
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/* allocate read_buf */
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read_buf = malloc(MAP_LEN);
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CHKANDJUMP(read_buf == NULL, "malloc read_buf");
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/* generate proc_mem path */
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sprintf(pfname, "/proc/%d/mem", pid);
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/* open proc_mem */
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fd = open(pfname, O_RDONLY);
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CHKANDJUMP(fd < 0, "open proc_mem");
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/* lseek */
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ret = lseek(fd, (off_t)dev_map, SEEK_SET);
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CHKANDJUMP(ret == -1, "lseek");
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/* read */
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ret = read(fd, read_buf, MAP_LEN);
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OKNG(ret != -1 || errno != EIO, "failed to read host's phys_memory");
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free(read_buf);
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close(dev_fd);
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close(fd);
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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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if (read_buf) {
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free(read_buf);
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}
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if (dev_fd > 0) {
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close(dev_fd);
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}
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if (fd > 0) {
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close(fd);
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}
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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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