linux/vm/perfMemory_linux.cpp

158   char* dirname = NEW_C_HEAP_ARRAY(char, nbytes, mtInternal);
161   snprintf(dirname, nbytes, "%s/%s_%s", tmpdir, perfdir, user);
163   return dirname;
298 static DIR *open_directory_secure(const char* dirname) {
306   RESTARTABLE(::open(dirname, O_RDONLY|O_NOFOLLOW), result);
310         warning("directory %s is a symlink and is not secure\n", dirname);
312         warning("could not open directory %s: %s\n", dirname, os::strerror(errno));
327   dirp = ::opendir(dirname);
359 static DIR *open_directory_secure_cwd(const char* dirname, int *saved_cwd_fd) {
362   DIR* dirp = open_directory_secure(dirname);
378   // Set the current directory to dirname by using the fd of the directory and
383       warning("could not change to directory %s", dirname);
639 static char* get_sharedmem_filename(const char* dirname, int vmid) {
642   size_t nbytes = strlen(dirname) + UINT_CHARS + 2;
645   snprintf(name, nbytes, "%s/%d", dirname, vmid);
683 static void cleanup_sharedmem_resources(const char* dirname) {
687   DIR* dirp = open_directory_secure_cwd(dirname, &saved_cwd_fd);
702   char* dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(dirname), mtInternal);
751 static bool make_user_tmp_dir(const char* dirname) {
756   if (mkdir(dirname, S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH) == OS_ERR) {
762       if (!is_directory_secure(dirname)) {
765           warning("%s directory is insecure\n", dirname);
776                 dirname, os::strerror(errno));
790 static int create_sharedmem_resources(const char* dirname, const char* filename, size_t size) {
793   if (!make_user_tmp_dir(dirname)) {
801   DIR* dirp = open_directory_secure_cwd(dirname, &saved_cwd_fd);
942   char* dirname = get_user_tmp_dir(user_name);
943   char* filename = get_sharedmem_filename(dirname, vmid);
954   cleanup_sharedmem_resources(dirname);
959   fd = create_sharedmem_resources(dirname, short_filename, size);
962   FREE_C_HEAP_ARRAY(char, dirname);
1102   char* dirname = get_user_tmp_dir(luser);
1107   if (!is_directory_secure(dirname)) {
1108     FREE_C_HEAP_ARRAY(char, dirname);
1116   char* filename = get_sharedmem_filename(dirname, vmid);
1127   FREE_C_HEAP_ARRAY(char, dirname);