bsd/vm/perfMemory_bsd.cpp

159   char* dirname = NEW_C_HEAP_ARRAY(char, nbytes, mtInternal);
162   snprintf(dirname, nbytes, "%s/%s_%s", tmpdir, perfdir, user);
164   return dirname;
299 static DIR *open_directory_secure(const char* dirname) {
307   RESTARTABLE(::open(dirname, O_RDONLY|O_NOFOLLOW), result);
312         warning("directory %s is a symlink and is not secure\n", dirname);
314         warning("could not open directory %s: %s\n", dirname, os::strerror(errno));
329   dirp = ::opendir(dirname);
361 static DIR *open_directory_secure_cwd(const char* dirname, int *saved_cwd_fd) {
364   DIR* dirp = open_directory_secure(dirname);
380   // Set the current directory to dirname by using the fd of the directory and
385       warning("could not change to directory %s", dirname);
628 static char* get_sharedmem_filename(const char* dirname, int vmid) {
631   size_t nbytes = strlen(dirname) + UINT_CHARS + 2;
634   snprintf(name, nbytes, "%s/%d", dirname, vmid);
672 static void cleanup_sharedmem_resources(const char* dirname) {
676   DIR* dirp = open_directory_secure_cwd(dirname, &saved_cwd_fd);
691   char* dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(dirname), mtInternal);
742 static bool make_user_tmp_dir(const char* dirname) {
747   if (mkdir(dirname, S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH) == OS_ERR) {
753       if (!is_directory_secure(dirname)) {
756           warning("%s directory is insecure\n", dirname);
767                 dirname, os::strerror(errno));
781 static int create_sharedmem_resources(const char* dirname, const char* filename, size_t size) {
784   if (!make_user_tmp_dir(dirname)) {
792   DIR* dirp = open_directory_secure_cwd(dirname, &saved_cwd_fd);
933   char* dirname = get_user_tmp_dir(user_name);
934   char* filename = get_sharedmem_filename(dirname, vmid);
945   cleanup_sharedmem_resources(dirname);
950   fd = create_sharedmem_resources(dirname, short_filename, size);
953   FREE_C_HEAP_ARRAY(char, dirname);
1093   char* dirname = get_user_tmp_dir(luser);
1098   if (!is_directory_secure(dirname)) {
1099     FREE_C_HEAP_ARRAY(char, dirname);
1107   char* filename = get_sharedmem_filename(dirname, vmid);
1118   FREE_C_HEAP_ARRAY(char, dirname);