Reviewed-by: bobv, dbuck

Summary: Fixed by removing all code related to LowMemoryProtection, which removed offending code.
Reviewed-by: dholmes, minqi

Reviewed-by: stuefe, dcubed

Reviewed-by: simonis, goetz
Contributed-by: matthias.baesken@sap.com, martin.doerr@sap.com

Reviewed-by: simonis, goetz
Contributed-by: matthias.baesken@sap.com, martin.doerr@sap.com

6536943: Bogus -Xcheck:jni warning for SIG_INT action for SIGINT in JVM started from non-interactive shell
Summary: check_signal_handler will print out Warning for SHURDOWN2_SIGNAL (SIGINT) is replaced by non-interactive shell. Fix by supply more information of the replacement to user.
Reviewed-by: dholmes
Contributed-by: yumin.qi@oracle.com

Reviewed-by: roland, kvn

Reviewed-by: kvn

Summary: Remove the misleading malloc macro and cleanup the code
Reviewed-by: dsamersoff, kvn
Contributed-by: goetz.lindenmaier@sap.com

8130910: hsperfdata file is created in wrong directory and not cleaned up if /tmp/hsperfdata_<username> has wrong permissions
Summary: Add check for fchir() failure and disable shared PerfMemory in that case.
Reviewed-by: dcubed, simonis, gthornbr

Summary: imlements os::naked_short_sleep(jlong ms) on AIX
Reviewed-by: dholmes, kvn

Reviewed-by: kvn

Reviewed-by: kvn

Reviewed-by: kvn

Reviewed-by: twisti, stefank

Reviewed-by: dholmes, kvn, stefank, twisti

Reviewed-by: kvn

Reviewed-by: kvn, twisti

Reviewed-by: kvn