3 Commits

Author SHA1 Message Date
Zhengyu Gu
d574a06345 8199741: NMT: Tag safepoint polling pages
Added NMT tag for Safepoint polling pages

Reviewed-by: coleenp, shade
2018-03-19 13:38:35 -04:00
Martin Doerr
201a232a23 8194258: PPC64 safepoint mechanism: Fix initialization on AIX and support SIGTRAP
Use mmap on AIX to allocate protected page. Use trap instructions for polling if UseSIGTRAP is enabled.

Reviewed-by: rehn, goetz
2018-01-10 11:09:55 +01:00
Robbin Ehn
104ecb2dd1 8189941: Implementation JEP 312: Thread-local handshake
Introduce a way to execute a callback on threads without performing a global VM safepoint. Make it both possible and cheap to stop individual threads and not just all threads or none.

Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com>
Co-authored-by: Erik Osterlund <erik.osterlund@oracle.com>
Reviewed-by: mdoerr, neliasso, acorn, aph, coleenp, dholmes
2017-08-31 10:00:28 +02:00