archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-27 06:45:07 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8046070: Class Data Sharing clean up and refactoring

Browse source 
Cleaned up CDS to be more configurable, maintainable and extensible

Reviewed-by: dholmes, coleenp, acorn, mchung
This commit is contained in:
Ioi Lam 2014-08-12 17:29:00 -07:00
parent 1fec07f4bf
commit bbe6f51f81
42 changed files with 2087 additions and 434 deletions
Download patch file Download diff file Expand all files Collapse all files

19
hotspot/src/share/vm/utilities/ostream.cpp
View file

@ -352,6 +352,7 @@ stringStream::~stringStream() {}
xmlStream* xtty;
outputStream* tty;
outputStream* gclog_or_tty;
CDS_ONLY(fileStream* classlist_file;) // Only dump the classes that can be stored into the CDS archive
extern Mutex* tty_lock;
#define EXTRACHARLEN 32
@ -463,7 +464,8 @@ static const char* make_log_name_internal(const char* log_name, const char* forc
return buf;
}
// log_name comes from -XX:LogFile=log_name or -Xloggc:log_name
// log_name comes from -XX:LogFile=log_name, -Xloggc:log_name or
// -XX:DumpLoadedClassList=<file_name>
// in log_name, %p => pid1234 and
// %t => YYYY-MM-DD_HH-MM-SS
static const char* make_log_name(const char* log_name, const char* force_directory) {
@ -1103,6 +1105,16 @@ void ostream_init_log() {
gclog_or_tty = gclog;
}
#if INCLUDE_CDS
// For -XX:DumpLoadedClassList=<file> option
if (DumpLoadedClassList != NULL) {
const char* list_name = make_log_name(DumpLoadedClassList, NULL);
classlist_file = new(ResourceObj::C_HEAP, mtInternal)
fileStream(list_name);
FREE_C_HEAP_ARRAY(char, list_name, mtInternal);
}
#endif
// If we haven't lazily initialized the logfile yet, do it now,
// to avoid the possibility of lazy initialization during a VM
// crash, which can affect the stability of the fatal error handler.
@ -1115,6 +1127,11 @@ void ostream_exit() {
static bool ostream_exit_called = false;
if (ostream_exit_called) return;
ostream_exit_called = true;
#if INCLUDE_CDS
if (classlist_file != NULL) {
delete classlist_file;
}
#endif
if (gclog_or_tty != tty) {
delete gclog_or_tty;
}