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authorRickard Green <[email protected]>2015-05-28 10:06:34 +0200
committerRickard Green <[email protected]>2015-06-09 19:35:48 +0200
commit014865c474c4e8229cae556d9dff22ba75d6a5bb (patch)
treebcd4e4ba387ee30977fdc18d0cb8d4ff368c964b
parentea84ab6c03994f8d6d9f07d8740f0547f8a3cb51 (diff)
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Only read lock node table when reading info
-rw-r--r--erts/emulator/beam/erl_node_tables.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/erts/emulator/beam/erl_node_tables.c b/erts/emulator/beam/erl_node_tables.c
index bcf6311079..900fdb3ab5 100644
--- a/erts/emulator/beam/erl_node_tables.c
+++ b/erts/emulator/beam/erl_node_tables.c
@@ -556,14 +556,14 @@ erts_node_table_size(void)
#endif
int lock = !ERTS_IS_CRASH_DUMPING;
if (lock)
- erts_smp_rwmtx_rwlock(&erts_node_table_rwmtx);
+ erts_smp_rwmtx_rlock(&erts_node_table_rwmtx);
#ifdef DEBUG
hash_get_info(&hi, &erts_node_table);
ASSERT(node_entries == hi.objs);
#endif
res = hash_table_sz(&erts_node_table) + node_entries*sizeof(ErlNode);
if (lock)
- erts_smp_rwmtx_rwunlock(&erts_node_table_rwmtx);
+ erts_smp_rwmtx_runlock(&erts_node_table_rwmtx);
return res;
}
@@ -572,10 +572,10 @@ erts_node_table_info(int to, void *to_arg)
{
int lock = !ERTS_IS_CRASH_DUMPING;
if (lock)
- erts_smp_rwmtx_rwlock(&erts_node_table_rwmtx);
+ erts_smp_rwmtx_rlock(&erts_node_table_rwmtx);
hash_info(to, to_arg, &erts_node_table);
if (lock)
- erts_smp_rwmtx_rwunlock(&erts_node_table_rwmtx);
+ erts_smp_rwmtx_runlock(&erts_node_table_rwmtx);
}
@@ -674,13 +674,13 @@ void erts_print_node_info(int to,
pnd.no_total = 0;
if (lock)
- erts_smp_rwmtx_rwlock(&erts_node_table_rwmtx);
+ erts_smp_rwmtx_rlock(&erts_node_table_rwmtx);
hash_foreach(&erts_node_table, print_node, (void *) &pnd);
if (pnd.no_sysname != 0) {
erts_print(to, to_arg, "\n");
}
if (lock)
- erts_smp_rwmtx_rwunlock(&erts_node_table_rwmtx);
+ erts_smp_rwmtx_runlock(&erts_node_table_rwmtx);
if(no_sysname)
*no_sysname = pnd.no_sysname;