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authorTianon Gravi <admwiggin@gmail.com>2015-01-15 12:50:40 -0700
committerTianon Gravi <admwiggin@gmail.com>2015-01-15 12:50:40 -0700
commit2a0db60599fdd75b1bc3e297180fbe1282763759 (patch)
tree68d43c3e30d9ab961ddf6b7365201ca6b675b253 /src/runtime/cgo/gcc_util.c
parentef33cba3c8de6c431df56503df51fcd3a473c89e (diff)
parentf154da9e12608589e8d5f0508f908a0c3e88a1bb (diff)
downloadgolang-2a0db60599fdd75b1bc3e297180fbe1282763759.tar.gz
Merge tag 'upstream/1.4' into debian-experimental
* tag 'upstream/1.4': Imported Upstream version 1.4
Diffstat (limited to 'src/runtime/cgo/gcc_util.c')
-rw-r--r--src/runtime/cgo/gcc_util.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/src/runtime/cgo/gcc_util.c b/src/runtime/cgo/gcc_util.c
new file mode 100644
index 000000000..143734e94
--- /dev/null
+++ b/src/runtime/cgo/gcc_util.c
@@ -0,0 +1,47 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+#include "libcgo.h"
+
+/* Stub for calling malloc from Go */
+void
+x_cgo_malloc(void *p)
+{
+ struct a {
+ long long n;
+ void *ret;
+ } *a = p;
+
+ a->ret = malloc(a->n);
+ if(a->ret == NULL && a->n == 0)
+ a->ret = malloc(1);
+}
+
+/* Stub for calling free from Go */
+void
+x_cgo_free(void *p)
+{
+ struct a {
+ void *arg;
+ } *a = p;
+
+ free(a->arg);
+}
+
+/* Stub for creating a new thread */
+void
+x_cgo_thread_start(ThreadStart *arg)
+{
+ ThreadStart *ts;
+
+ /* Make our own copy that can persist after we return. */
+ ts = malloc(sizeof *ts);
+ if(ts == nil) {
+ fprintf(stderr, "runtime/cgo: out of memory in thread_start\n");
+ abort();
+ }
+ *ts = *arg;
+
+ _cgo_sys_thread_start(ts); /* OS-dependent half */
+}