dd58d366c3
Fujitsu: POSTK_DEBUG_TEMP_FIX_43 Refs: #1018 Change-Id: I736ac69885695ef8eeababc3fcfe69a6258b4e16
90 lines
2.0 KiB
C
90 lines
2.0 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/mman.h>
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
|
|
#include "./test_chk.h"
|
|
|
|
#define TEST_NAME "CT_002"
|
|
|
|
#define MEGA (1024 * 1024)
|
|
|
|
#define PROCFILE_LEN 128
|
|
#define MAP_LEN (8 * MEGA)
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int fd = 0, i = 0;
|
|
pid_t pid = getpid();
|
|
char pfname[PROCFILE_LEN];
|
|
unsigned long *anon_map = NULL;
|
|
unsigned long *tmp_buf = NULL;
|
|
int data_pos[3] = {0 * MEGA / sizeof(unsigned long),
|
|
1 * MEGA / sizeof(unsigned long),
|
|
4 * MEGA / sizeof(unsigned long)};
|
|
off_t ret = 0;
|
|
|
|
printf("*** %s start *******************************\n", TEST_NAME);
|
|
|
|
/* anonymous mmap */
|
|
anon_map = (unsigned long *)mmap(NULL, MAP_LEN, PROT_READ | PROT_WRITE,
|
|
MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
|
|
OKNG(anon_map == MAP_FAILED, "anonymous map");
|
|
printf(" anonymous map to %p, size:%.2f MB\n",
|
|
anon_map, (double)MAP_LEN / MEGA);
|
|
|
|
/* allocate tmp_buf */
|
|
tmp_buf = (unsigned long *)mmap(NULL, MAP_LEN, PROT_READ | PROT_WRITE,
|
|
MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
|
|
CHKANDJUMP(tmp_buf == MAP_FAILED, "alloc tmp_buf");
|
|
|
|
/* set magic_number */
|
|
tmp_buf[data_pos[0]] = 0x1111;
|
|
tmp_buf[data_pos[1]] = 0x2222;
|
|
tmp_buf[data_pos[2]] = 0x3333;
|
|
|
|
/* generate proc_mem path */
|
|
sprintf(pfname, "/proc/%d/mem", pid);
|
|
|
|
/* open proc_mem */
|
|
fd = open(pfname, O_RDWR);
|
|
CHKANDJUMP(fd < 0, "open proc_mem");
|
|
|
|
/* pwrite 2MB */
|
|
errno = 0;
|
|
ret = pwrite(fd, tmp_buf, 2 * MEGA, (off_t)anon_map);
|
|
OKNG(ret != 2 * MEGA || errno != 0, "2MB pwrite");
|
|
|
|
/* pwrite 4MB */
|
|
errno = 0;
|
|
ret = pwrite(fd, tmp_buf, 4 * MEGA, (off_t)anon_map);
|
|
OKNG(ret != 4 * MEGA || errno != 0, "4MB pwrite");
|
|
|
|
/* pwrite 8MB */
|
|
errno = 0;
|
|
ret = pwrite(fd, tmp_buf, 8 * MEGA, (off_t)anon_map);
|
|
OKNG(ret != 8 * MEGA || errno != 0, "8MB pwrite");
|
|
|
|
close(fd);
|
|
|
|
printf("*** %s PASSED\n\n", TEST_NAME);
|
|
|
|
return 0;
|
|
|
|
fn_fail:
|
|
|
|
if (fd > 0) {
|
|
close(fd);
|
|
}
|
|
|
|
printf("*** %s FAILED\n\n", TEST_NAME);
|
|
|
|
return -1;
|
|
|
|
}
|