src/os/linux/vm/perfMemory_linux.cpp

rev 11747 : 8162869: Small fixes for AIX perf memory and attach listener

*** 889,906 ****
    int result;
    RESTARTABLE(::open(filename, oflags), result);
    if (result == OS_ERR) {
      if (errno == ENOENT) {
        THROW_MSG_(vmSymbols::java_lang_IllegalArgumentException(),
!                   "Process not found", OS_ERR);
      }
      else if (errno == EACCES) {
        THROW_MSG_(vmSymbols::java_lang_IllegalArgumentException(),
!                   "Permission denied", OS_ERR);
      }
      else {
!       THROW_MSG_(vmSymbols::java_io_IOException(), os::strerror(errno), OS_ERR);
      }
    }
    int fd = result;
  
    // check to see if the file is secure
--- 889,907 ----
    int result;
    RESTARTABLE(::open(filename, oflags), result);
    if (result == OS_ERR) {
      if (errno == ENOENT) {
        THROW_MSG_(vmSymbols::java_lang_IllegalArgumentException(),
!                  "Process not found", OS_ERR);
      }
      else if (errno == EACCES) {
        THROW_MSG_(vmSymbols::java_lang_IllegalArgumentException(),
!                  "Permission denied", OS_ERR);
      }
      else {
!       THROW_MSG_(vmSymbols::java_io_IOException(),
!                  os::strerror(errno), OS_ERR);
      }
    }
    int fd = result;
  
    // check to see if the file is secure
*** 914,924 ****
  
  // create a named shared memory region. returns the address of the
  // memory region on success or NULL on failure. A return value of
  // NULL will ultimately disable the shared memory feature.
  //
! // On Solaris and Linux, the name space for shared memory objects
  // is the file system name space.
  //
  // A monitoring application attaching to a JVM does not need to know
  // the file system name of the shared memory object. However, it may
  // be convenient for applications to discover the existence of newly
--- 915,925 ----
  
  // create a named shared memory region. returns the address of the
  // memory region on success or NULL on failure. A return value of
  // NULL will ultimately disable the shared memory feature.
  //
! // On Linux, the name space for shared memory objects
  // is the file system name space.
  //
  // A monitoring application attaching to a JVM does not need to know
  // the file system name of the shared memory object. However, it may
  // be convenient for applications to discover the existence of newly
*** 938,947 ****
--- 939,949 ----
    if (user_name == NULL)
      return NULL;
  
    char* dirname = get_user_tmp_dir(user_name);
    char* filename = get_sharedmem_filename(dirname, vmid);
+ 
    // get the short filename
    char* short_filename = strrchr(filename, '/');
    if (short_filename == NULL) {
      short_filename = filename;
    } else {