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-rw-r--r--libgo/runtime/go-cgo.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/libgo/runtime/go-cgo.c b/libgo/runtime/go-cgo.c
index a36eac9..610bcf5e 100644
--- a/libgo/runtime/go-cgo.c
+++ b/libgo/runtime/go-cgo.c
@@ -41,6 +41,8 @@ syscall_cgocall ()
if (runtime_needextram && runtime_cas (&runtime_needextram, 1, 0))
runtime_newextram ();
+ runtime_lockOSThread();
+
m = runtime_m ();
++m->ncgocall;
g = runtime_g ();
@@ -70,6 +72,8 @@ syscall_cgocalldone ()
_cgo_panic will already have exited syscall mode. */
if (g->status == Gsyscall)
runtime_exitsyscall ();
+
+ runtime_unlockOSThread();
}
/* Call back from C/C++ code to Go code. */