int
main(int argc, char *argv[])
{
int srcfd;
int dstfd;
struct stat stbuf;
char *pmemaddr;
if (argc != 3) {
fprintf(stderr, "usage: %s src-file dst-file\n", argv[0]);
exit(1);
}
/* open src-file */
if ((srcfd = open(argv[1], O_RDONLY)) < 0) {
perror(argv[1]);
exit(1);
}
/* create a pmem file */
if ((dstfd = open(argv[2], O_CREAT|O_EXCL|O_RDWR, 0666)) < 0) {
perror(argv[2]);
exit(1);
}
/* find the size of the src-file */
if (fstat(srcfd, &stbuf) < 0) {
perror("fstat");
exit(1);
}
/* allocate the pmem */
if ((errno = posix_fallocate(dstfd, 0, stbuf.st_size)) != 0) {
perror("posix_fallocate");
exit(1);
}
/* memory map it */
if ((pmemaddr = pmem_map(dstfd)) == NULL) {
perror("pmem_map");
exit(1);
}
close(dstfd);
/* determine if range is true pmem, call appropriate copy routine */
if (pmem_is_pmem(pmemaddr, stbuf.st_size))
do_copy_to_pmem(pmemaddr, srcfd, stbuf.st_size);
else
do_copy_to_non_pmem(pmemaddr, srcfd, stbuf.st_size);
close(srcfd);
exit(0);
}
int
main(int argc, char *argv[])
{
int srcfd;
struct stat stbuf;
char *pmemaddr;
size_t mapped_len;
int is_pmem;
if (argc != 3) {
fprintf(stderr, "usage: %s src-file dst-file\n", argv[0]);
exit(1);
}
/* open src-file */
if ((srcfd = open(argv[1], O_RDONLY)) < 0) {
perror(argv[1]);
exit(1);
}
/* find the size of the src-file */
if (fstat(srcfd, &stbuf) < 0) {
perror("fstat");
exit(1);
}
/* create a pmem file and memory map it */
if ((pmemaddr = pmem_map_file(argv[2], stbuf.st_size,
PMEM_FILE_CREATE|PMEM_FILE_EXCL,
0666, &mapped_len, &is_pmem)) == NULL) {
perror("pmem_map_file");
exit(1);
}
/* determine if range is true pmem, call appropriate copy routine */
if (is_pmem)
do_copy_to_pmem(pmemaddr, srcfd, stbuf.st_size);
else
do_copy_to_non_pmem(pmemaddr, srcfd, stbuf.st_size);
close(srcfd);
pmem_unmap(pmemaddr, mapped_len);
exit(0);
}