121 lines
3.2 KiB
C
121 lines
3.2 KiB
C
#include <unistd.h>
|
|
#include <stdio.h>
|
|
#include <sys/mman.h>
|
|
#include <string.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <errno.h>
|
|
#include <sys/wait.h>
|
|
#include "qltest.h"
|
|
|
|
#define DEBUG
|
|
|
|
#ifdef DEBUG
|
|
#define dprintf(...) \
|
|
do { \
|
|
char msg[1024]; \
|
|
sprintf(msg, __VA_ARGS__); \
|
|
fprintf(stderr, "%s,%s", __FUNCTION__, msg); \
|
|
} while (0);
|
|
#define eprintf(...) \
|
|
do { \
|
|
char msg[1024]; \
|
|
sprintf(msg, __VA_ARGS__); \
|
|
fprintf(stderr, "%s,%s", __FUNCTION__, msg); \
|
|
} while (0);
|
|
#else
|
|
#define dprintf(...) do { } while (0)
|
|
#define eprintf(...) do { } while (0)
|
|
#endif
|
|
|
|
#define CHKANDJUMP(cond, err, ...) \
|
|
do { \
|
|
if(cond) { \
|
|
eprintf(__VA_ARGS__); \
|
|
ret = err; \
|
|
goto fn_fail; \
|
|
} \
|
|
} while(0)
|
|
|
|
int sz_mem[] = {
|
|
4 * (1ULL<<10),
|
|
2 * (1ULL<<20),
|
|
1 * (1ULL<<30),
|
|
134217728};
|
|
|
|
#define SZ_INDEX 0
|
|
#define NUM_AREAS 1
|
|
|
|
int main(int argc, char** argv) {
|
|
void* mem;
|
|
int ret = 0;
|
|
pid_t pid;
|
|
int status;
|
|
int fd;
|
|
// for swap_test
|
|
#define TEST_VAL 0x1234
|
|
int swap_rc = 0;
|
|
char buffer[BUF_SIZE];
|
|
|
|
pid = fork();
|
|
CHKANDJUMP(pid == -1, 255, "fork failed\n");
|
|
if(pid == 0) {
|
|
fd = open("./file", O_RDWR);
|
|
CHKANDJUMP(fd == -1, 255, "open failed\n");
|
|
|
|
mem = mmap(0, sz_mem[SZ_INDEX], PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
|
|
CHKANDJUMP(mem == MAP_FAILED, 255, "mmap failed\n");
|
|
memset(mem, 0, sz_mem[SZ_INDEX]);
|
|
|
|
// for swap_test
|
|
swap_rc = do_swap("/tmp/rusage008_c.swp", buffer);
|
|
if (swap_rc < 0) {
|
|
printf("[NG] swap in child is failed\n");
|
|
}
|
|
|
|
*((unsigned long*)mem) = TEST_VAL;
|
|
|
|
_exit(123);
|
|
} else {
|
|
fd = open("./file", O_RDWR);
|
|
CHKANDJUMP(fd == -1, 255, "open failed\n");
|
|
|
|
mem = mmap(0, sz_mem[SZ_INDEX], PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
|
|
CHKANDJUMP(mem == MAP_FAILED, 255, "mmap failed\n");
|
|
|
|
|
|
ret = waitpid(pid, &status, 0);
|
|
CHKANDJUMP(ret == -1, 255, "waitpid failed\n");
|
|
printf("child exit status=%d\n", WEXITSTATUS(status));
|
|
|
|
// for swap_test
|
|
// before swap
|
|
unsigned long val = *((unsigned long*)mem);
|
|
if (val == TEST_VAL) {
|
|
printf("[OK] before swap, val:0x%lx\n", val);
|
|
} else {
|
|
printf("[NG] before swap, val is not 0x%lx, val is 0x%lx\n", TEST_VAL, val);
|
|
}
|
|
|
|
swap_rc = do_swap("/tmp/rusage008_p.swp", buffer);
|
|
if (swap_rc < 0) {
|
|
printf("[NG] swap in parent is failed\n");
|
|
}
|
|
|
|
// after swap
|
|
val = *((unsigned long*)mem);
|
|
if (val == TEST_VAL) {
|
|
printf("[OK] after swap, val:0x%lx\n", val);
|
|
} else {
|
|
printf("[NG] after swap, val is not 0x%lx, val is 0x%lx\n", TEST_VAL, val);
|
|
}
|
|
|
|
}
|
|
|
|
fn_exit:
|
|
return ret;
|
|
fn_fail:
|
|
goto fn_exit;
|
|
}
|