--- a/hotspot/src/os/linux/vm/os_linux.cpp Fri May 08 19:50:32 2009 -0700
+++ b/hotspot/src/os/linux/vm/os_linux.cpp Wed May 13 08:40:46 2009 -0700
@@ -2362,6 +2362,19 @@
extern "C" void numa_warn(int number, char *where, ...) { }
extern "C" void numa_error(char *where) { }
+
+// If we are running with libnuma version > 2, then we should
+// be trying to use symbols with versions 1.1
+// If we are running with earlier version, which did not have symbol versions,
+// we should use the base version.
+void* os::Linux::libnuma_dlsym(void* handle, const char *name) {
+ void *f = dlvsym(handle, name, "libnuma_1.1");
+ if (f == NULL) {
+ f = dlsym(handle, name);
+ }
+ return f;
+}
+
bool os::Linux::libnuma_init() {
// sched_getcpu() should be in libc.
set_sched_getcpu(CAST_TO_FN_PTR(sched_getcpu_func_t,
@@ -2371,19 +2384,19 @@
void *handle = dlopen("libnuma.so.1", RTLD_LAZY);
if (handle != NULL) {
set_numa_node_to_cpus(CAST_TO_FN_PTR(numa_node_to_cpus_func_t,
- dlsym(handle, "numa_node_to_cpus")));
+ libnuma_dlsym(handle, "numa_node_to_cpus")));
set_numa_max_node(CAST_TO_FN_PTR(numa_max_node_func_t,
- dlsym(handle, "numa_max_node")));
+ libnuma_dlsym(handle, "numa_max_node")));
set_numa_available(CAST_TO_FN_PTR(numa_available_func_t,
- dlsym(handle, "numa_available")));
+ libnuma_dlsym(handle, "numa_available")));
set_numa_tonode_memory(CAST_TO_FN_PTR(numa_tonode_memory_func_t,
- dlsym(handle, "numa_tonode_memory")));
+ libnuma_dlsym(handle, "numa_tonode_memory")));
set_numa_interleave_memory(CAST_TO_FN_PTR(numa_interleave_memory_func_t,
- dlsym(handle, "numa_interleave_memory")));
+ libnuma_dlsym(handle, "numa_interleave_memory")));
if (numa_available() != -1) {
- set_numa_all_nodes((unsigned long*)dlsym(handle, "numa_all_nodes"));
+ set_numa_all_nodes((unsigned long*)libnuma_dlsym(handle, "numa_all_nodes"));
// Create a cpu -> node mapping
_cpu_to_node = new (ResourceObj::C_HEAP) GrowableArray<int>(0, true);
rebuild_cpu_to_node_map();
--- a/hotspot/src/os/linux/vm/os_linux.hpp Fri May 08 19:50:32 2009 -0700
+++ b/hotspot/src/os/linux/vm/os_linux.hpp Wed May 13 08:40:46 2009 -0700
@@ -147,7 +147,7 @@
static void libpthread_init();
static bool libnuma_init();
-
+ static void* libnuma_dlsym(void* handle, const char* name);
// Minimum stack size a thread can be created with (allowing
// the VM to completely create the thread and enter user code)
static size_t min_stack_allowed;