Disallow installing user signal handlers for SIGBUS on OSX

#section:testng
----------messages:(7/349)----------
command: testng SunMiscSignalTest
reason: User specified action: run testng/othervm SunMiscSignalTest
Mode: othervm [/othervm specified]
Additional options from @modules: --add-modules jdk.unsupported,java.base --add-exports java.base/jdk.internal.misc=ALL-UNNAMED
Timeout information:
--- Timeout information end.
elapsed time (seconds): 1546.741
----------configuration:(4/111)----------
Boot Layer
  add modules: jdk.unsupported java.base
  add exports: java.base/jdk.internal.misc ALL-UNNAMED

----------System.out:(54/3029)----------
[TestNG] Running:
  sun/misc/SunMiscSignalTest.java

-Xrs: false
config SunMiscSignalTest.setup(): success
test SunMiscSignalTest.cannotHandleSIGDFL(): success
test SunMiscSignalTest.cannotHandleSIGIGN(): success
test SunMiscSignalTest.checkLastHandler(): success
    oldHandler: java.lang.Terminator$1@1bd0709c
    sun.misc.handle sig: INT, num: 2
test SunMiscSignalTest.isDaemonThread(): success
test SunMiscSignalTest.nullSignal(): success
test SunMiscSignalTest.testEquals("INT", YES, YES, YES, YES): success
test SunMiscSignalTest.testEquals("TERM", YES, YES, YES, YES): success
test SunMiscSignalTest.testEquals("ABRT", YES, YES, YES, YES): success
test SunMiscSignalTest.testEquals("HUP", YES, YES, YES, YES): success
test SunMiscSignalTest.testEquals("QUIT", YES, NO, NO, NO): success
test SunMiscSignalTest.testEquals("BUS", YES, YES, YES, YES): success
test SunMiscSignalTest.testEquals("USR1", YES, YES, YES, YES): success
test SunMiscSignalTest.testEquals("USR2", YES, YES, YES, YES): success
test SunMiscSignalTest.testEquals("PIPE", YES, YES, YES, YES): success
test SunMiscSignalTest.testEquals("ALRM", YES, YES, YES, YES): success
test SunMiscSignalTest.testEquals("CHLD", YES, YES, YES, YES): success
test SunMiscSignalTest.testEquals("CONT", YES, YES, YES, YES): success
test SunMiscSignalTest.testEquals("TSTP", YES, YES, YES, YES): success
test SunMiscSignalTest.testEquals("TTIN", YES, YES, YES, YES): success
test SunMiscSignalTest.testEquals("TTOU", YES, YES, YES, YES): success
test SunMiscSignalTest.testEquals("URG", YES, YES, YES, YES): success
test SunMiscSignalTest.testEquals("XCPU", YES, YES, YES, YES): success
test SunMiscSignalTest.testEquals("XFSZ", YES, YES, YES, YES): success
test SunMiscSignalTest.testEquals("VTALRM", YES, YES, YES, YES): success
test SunMiscSignalTest.testEquals("PROF", YES, YES, YES, YES): success
test SunMiscSignalTest.testEquals("WINCH", YES, YES, YES, YES): success
test SunMiscSignalTest.testEquals("IO", YES, YES, YES, YES): success
test SunMiscSignalTest.testEquals("SYS", YES, YES, YES, YES): success
    oldHandler: Handler: sem: 0, wasDaemon: true
    IAE message: Unhandled signal: SIGINT
test SunMiscSignalTest.testRaiseNoConsumer(): success
    oldHandler: Handler: sem: 0, wasDaemon: true
    sun.misc.handle sig: INT, num: 2
test SunMiscSignalTest.testSunMisc("INT", YES, YES, YES, YES): success
    oldHandler: java.lang.Terminator$1@1bd0709c
    sun.misc.handle sig: TERM, num: 15
test SunMiscSignalTest.testSunMisc("TERM", YES, YES, YES, YES): success
    oldHandler: SIG_DFL
    sun.misc.handle sig: ABRT, num: 6
test SunMiscSignalTest.testSunMisc("ABRT", YES, YES, YES, YES): success
    oldHandler: java.lang.Terminator$1@1bd0709c
    sun.misc.handle sig: HUP, num: 1
test SunMiscSignalTest.testSunMisc("HUP", YES, YES, YES, YES): success
test SunMiscSignalTest.testSunMisc("QUIT", YES, NO, NO, NO): success
    oldHandler: jdk.internal.misc.Signal$NativeHandler@316a9158
    sun.misc.handle sig: BUS, num: 10
Timeout signalled after 1,200 seconds