src/os_cpu/bsd_x86/vm/os_bsd_x86.cpp

rev 12363 : 8169373: Work around linux NPTL stack guard error.
Summary: Also skip libc guard page for compiler thread, merge similar code on linux platforms, and streamline libc guard page handling on linuxs390, linuxppc, aixppc.
Reviewed-by: dholmes, dcubed, kvn

@@ -868,18 +868,18 @@
 
 // Java thread:
 //
 //   Low memory addresses
 //    +------------------------+
-//    |                        |\  JavaThread created by VM does not have glibc
+//    |                        |\  Java thread created by VM does not have glibc
 //    |    glibc guard page    | - guard, attached Java thread usually has
-//    |                        |/  1 page glibc guard.
+//    |                        |/  1 glibc guard page.
 // P1 +------------------------+ Thread::stack_base() - Thread::stack_size()
 //    |                        |\
-//    |  HotSpot Guard Pages   | - red and yellow pages
+//    |  HotSpot Guard Pages   | - red, yellow and reserved pages
 //    |                        |/
-//    +------------------------+ JavaThread::stack_yellow_zone_base()
+//    +------------------------+ JavaThread::stack_reserved_zone_base()
 //    |                        |\
 //    |      Normal Stack      | -
 //    |                        |/
 // P2 +------------------------+ Thread::stack_base()
 //

@@ -923,27 +923,27 @@
 #elif defined(__OpenBSD__)
   stack_t ss;
   int rslt = pthread_stackseg_np(pthread_self(), &ss);
 
   if (rslt != 0)
-    fatal("pthread_stackseg_np failed with err = %d", rslt);
+    fatal("pthread_stackseg_np failed with error = %d", rslt);
 
   *bottom = (address)((char *)ss.ss_sp - ss.ss_size);
   *size   = ss.ss_size;
 #else
   pthread_attr_t attr;
 
   int rslt = pthread_attr_init(&attr);
 
   // JVM needs to know exact stack location, abort if it fails
   if (rslt != 0)
-    fatal("pthread_attr_init failed with err = %d", rslt);
+    fatal("pthread_attr_init failed with error = %d", rslt);
 
   rslt = pthread_attr_get_np(pthread_self(), &attr);
 
   if (rslt != 0)
-    fatal("pthread_attr_get_np failed with err = %d", rslt);
+    fatal("pthread_attr_get_np failed with error = %d", rslt);
 
   if (pthread_attr_getstackaddr(&attr, (void **)bottom) != 0 ||
     pthread_attr_getstacksize(&attr, size) != 0) {
     fatal("Can not locate current stack attributes!");
   }