Signed-off-by: Tomek Grabiec <[email protected]>
---
jit/cu-mapping.c | 16 +++++++++++++++-
1 files changed, 15 insertions(+), 1 deletions(-)
diff --git a/jit/cu-mapping.c b/jit/cu-mapping.c
index 87fb1c9..7c13e13 100644
--- a/jit/cu-mapping.c
+++ b/jit/cu-mapping.c
@@ -32,6 +32,8 @@
#include <vm/buffer.h>
#include <vm/die.h>
+#include <pthread.h>
+
/*
* A radix tree is used to associate native method addresses with
* compilation unit. Only method entry address is stored in the tree
@@ -39,6 +41,7 @@
* is fast.
*/
struct radix_tree *cu_map;
+pthread_mutex_t cu_map_mutex = PTHREAD_MUTEX_INITIALIZER;
#define BITS_PER_LEVEL 6
@@ -64,12 +67,20 @@ static unsigned long cu_key(struct compilation_unit *cu)
int add_cu_mapping(struct compilation_unit *cu)
{
- return radix_tree_insert(cu_map, cu_key(cu), cu);
+ int result;
+
+ pthread_mutex_lock(&cu_map_mutex);
+ result = radix_tree_insert(cu_map, cu_key(cu), cu);
+ pthread_mutex_unlock(&cu_map_mutex);
+
+ return result;
}
void remove_cu_mapping(struct compilation_unit *cu)
{
+ pthread_mutex_lock(&cu_map_mutex);
radix_tree_remove(cu_map, cu_key(cu));
+ pthread_mutex_unlock(&cu_map_mutex);
}
struct compilation_unit *get_cu_from_native_addr(unsigned long addr)
@@ -77,7 +88,10 @@ struct compilation_unit *get_cu_from_native_addr(unsigned
long addr)
struct compilation_unit *cu;
unsigned long method_addr;
+ pthread_mutex_lock(&cu_map_mutex);
cu = radix_tree_lookup_prev(cu_map, addr_key(addr));
+ pthread_mutex_unlock(&cu_map_mutex);
+
if (cu == NULL)
return NULL;
--
1.6.0.6
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