src/os/linux/vm/perfMemory_linux.cpp
Index
Unified diffs
Context diffs
Sdiffs
Wdiffs
Patch
New
Old
Previous File
Next File
*** old/src/os/linux/vm/perfMemory_linux.cpp Mon Dec 20 14:30:53 2010
--- new/src/os/linux/vm/perfMemory_linux.cpp Mon Dec 20 14:30:52 2010
*** 633,643 ****
--- 633,665 ----
}
RESTARTABLE(::close(fd), result);
return -1;
}
+ // Verify that we have enough disk space for this file.
+ // We'll get random SIGBUS crashes on memory accesses if
+ // we don't.
+
+ for (size_t seekpos = 0; seekpos < size; seekpos += os::vm_page_size()) {
+ int zero_int = 0;
+ result = (int)os::seek_to_file_offset(fd, (jlong)(seekpos));
+ if (result == -1 ) break;
+ RESTARTABLE(::write(fd, &zero_int, 1), result);
+ if (result != 1) {
+ if (errno == ENOSPC) {
+ warning("Insufficient space for shared memory file:\n %s\nTry using the -Djava.io.tmpdir= option to select an alternate temp location.\n", filename);
+ }
+ break;
+ }
+ }
+
+ if (result != -1) {
return fd;
+ } else {
+ RESTARTABLE(::close(fd), result);
+ return -1;
+ }
}
// open the shared memory file for the given user and vmid. returns
// the file descriptor for the open file or -1 if the file could not
// be opened.
src/os/linux/vm/perfMemory_linux.cpp
Index
Unified diffs
Context diffs
Sdiffs
Wdiffs
Patch
New
Old
Previous File
Next File