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Diffstat (limited to 'src/runtime/cgo/gcc_freebsd_386.c')
-rw-r--r--src/runtime/cgo/gcc_freebsd_386.c70
1 files changed, 70 insertions, 0 deletions
diff --git a/src/runtime/cgo/gcc_freebsd_386.c b/src/runtime/cgo/gcc_freebsd_386.c
new file mode 100644
index 000000000..074418f77
--- /dev/null
+++ b/src/runtime/cgo/gcc_freebsd_386.c
@@ -0,0 +1,70 @@
+// 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 <sys/types.h>
+#include <sys/signalvar.h>
+#include <pthread.h>
+#include <signal.h>
+#include <string.h>
+#include "libcgo.h"
+
+static void* threadentry(void*);
+static void (*setg_gcc)(void*);
+
+void
+x_cgo_init(G *g, void (*setg)(void*))
+{
+ pthread_attr_t attr;
+ size_t size;
+
+ setg_gcc = setg;
+ pthread_attr_init(&attr);
+ pthread_attr_getstacksize(&attr, &size);
+ g->stacklo = (uintptr)&attr - size + 4096;
+ pthread_attr_destroy(&attr);
+}
+
+
+void
+_cgo_sys_thread_start(ThreadStart *ts)
+{
+ pthread_attr_t attr;
+ sigset_t ign, oset;
+ pthread_t p;
+ size_t size;
+ int err;
+
+ SIGFILLSET(ign);
+ pthread_sigmask(SIG_SETMASK, &ign, &oset);
+
+ pthread_attr_init(&attr);
+ pthread_attr_getstacksize(&attr, &size);
+ // Leave stacklo=0 and set stackhi=size; mstack will do the rest.
+ ts->g->stackhi = size;
+ err = pthread_create(&p, &attr, threadentry, ts);
+
+ pthread_sigmask(SIG_SETMASK, &oset, nil);
+
+ if (err != 0) {
+ fprintf(stderr, "runtime/cgo: pthread_create failed: %s\n", strerror(err));
+ abort();
+ }
+}
+
+static void*
+threadentry(void *v)
+{
+ ThreadStart ts;
+
+ ts = *(ThreadStart*)v;
+ free(v);
+
+ /*
+ * Set specific keys.
+ */
+ setg_gcc((void*)ts.g);
+
+ crosscall_386(ts.fn);
+ return nil;
+}