last nits (comments only) ironed out

Author: tstuefe

src/hotspot/os/posix/signals_posix.cpp

@@ -455,23 +455,21 @@ extern "C" JNIEXPORT int JVM_handle_linux_signal(int signo, siginfo_t* siginfo,
 ///// Synchronous (non-deferrable) error signals (ILL, SEGV, FPE, BUS, TRAP):
 
 // These signals are special because they cannot be deferred and, if they
-//  happen while delivery is blocked for the receiving thread, will cause UB
-//  (in practice typically resulting in sudden process deaths or hangs, see
-//   JDK-8252533). So we must take care never to block them when we cannot be
-//  absolutely sure they won't happen. In practice, this is always.
+// happen while delivery is blocked for the receiving thread, will cause UB
+// (in practice typically resulting in sudden process deaths or hangs, see
+// JDK-8252533). So we must take care never to block them when we cannot be
+// absolutely sure they won't happen. In practice, this is always.
 //
 // Relevant Posix quote:
-// <quote>
-// The behavior of a process is undefined after it ignores a SIGFPE, SIGILL,
-// SIGSEGV, or SIGBUS signal that was not generated by kill(), sigqueue(), or
-// raise().
-// </quote>
+// "The behavior of a process is undefined after it ignores a SIGFPE, SIGILL,
+//  SIGSEGV, or SIGBUS signal that was not generated by kill(), sigqueue(), or
+//  raise()."
 //
 // We also include SIGTRAP in that list of never-to-block-signals. While not
-//  mentioned by the Posix documentation, in our (SAPs) experience blocking it
-//  causes similar problems. Beside, during normal operation - outside of error
-//  handling - SIGTRAP may be used for implicit NULL checking, so it makes sense
-//  to never block it.
+// mentioned by the Posix documentation, in our (SAPs) experience blocking it
+// causes similar problems. Beside, during normal operation - outside of error
+// handling - SIGTRAP may be used for implicit NULL checking, so it makes sense
+// to never block it.
 //
 // We deal with those signals in two ways:
 // - we just never explicitly block them, which includes not accidentally blocking