8289147: unify os::infinite_sleep on posix platforms

Reviewed-by: mdoerr, kbarrett, dholmes

src/hotspot/os/aix/os_aix.cpp

@@ -2138,13 +2138,6 @@ char* os::pd_attempt_reserve_memory_at(char* requested_addr, size_t bytes, bool
   return addr;
 }
 
-// Sleep forever; naked call to OS-specific sleep; use with CAUTION
-void os::infinite_sleep() {
-  while (true) {    // sleep forever ...
-    ::sleep(100);   // ... 100 seconds at a time
-  }
-}
-
 // Used to convert frequent JVM_Yield() to nops
 bool os::dont_yield() {
   return DontYieldALot;

src/hotspot/os/bsd/os_bsd.cpp

@@ -1788,13 +1788,6 @@ char* os::pd_attempt_reserve_memory_at(char* requested_addr, size_t bytes, bool
   return NULL;
 }
 
-// Sleep forever; naked call to OS-specific sleep; use with CAUTION
-void os::infinite_sleep() {
-  while (true) {    // sleep forever ...
-    ::sleep(100);   // ... 100 seconds at a time
-  }
-}
-
 // Used to convert frequent JVM_Yield() to nops
 bool os::dont_yield() {
   return DontYieldALot;

src/hotspot/os/linux/os_linux.cpp

@@ -4166,13 +4166,6 @@ char* os::pd_attempt_reserve_memory_at(char* requested_addr, size_t bytes, bool
   return NULL;
 }
 
-// Sleep forever; naked call to OS-specific sleep; use with CAUTION
-void os::infinite_sleep() {
-  while (true) {    // sleep forever ...
-    ::sleep(100);   // ... 100 seconds at a time
-  }
-}
-
 // Used to convert frequent JVM_Yield() to nops
 bool os::dont_yield() {
   return DontYieldALot;

src/hotspot/os/posix/os_posix.cpp

@@ -854,6 +854,12 @@ char* os::build_agent_function_name(const char *sym_name, const char *lib_name,
   return agent_entry_name;
 }
 
+// Sleep forever; naked call to OS-specific sleep; use with CAUTION
+void os::infinite_sleep() {
+  while (true) {    // sleep forever ...
+    ::sleep(100);   // ... 100 seconds at a time
+  }
+}
 
 void os::naked_short_nanosleep(jlong ns) {
   struct timespec req;