1 files changed, 60 insertions, 0 deletions
diff --git a/src/runtime/sys_openbsd.go b/src/runtime/sys_openbsd.go
new file mode 100644
index 0000000..fcddf4d
--- /dev/null
+++ b/src/runtime/sys_openbsd.go
@@ -0,0 +1,60 @@
+// Copyright 2020 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.
+
+// +build openbsd,amd64 openbsd,arm64
+
+package runtime
+
+import "unsafe"
+
+// The *_trampoline functions convert from the Go calling convention to the C calling convention
+// and then call the underlying libc function. These are defined in sys_openbsd_$ARCH.s.
+
+//go:nosplit
+//go:cgo_unsafe_args
+func pthread_attr_init(attr *pthreadattr) int32 {
+	return libcCall(unsafe.Pointer(funcPC(pthread_attr_init_trampoline)), unsafe.Pointer(&attr))
+}
+func pthread_attr_init_trampoline()
+
+//go:nosplit
+//go:cgo_unsafe_args
+func pthread_attr_destroy(attr *pthreadattr) int32 {
+	return libcCall(unsafe.Pointer(funcPC(pthread_attr_destroy_trampoline)), unsafe.Pointer(&attr))
+}
+func pthread_attr_destroy_trampoline()
+
+//go:nosplit
+//go:cgo_unsafe_args
+func pthread_attr_getstacksize(attr *pthreadattr, size *uintptr) int32 {
+	return libcCall(unsafe.Pointer(funcPC(pthread_attr_getstacksize_trampoline)), unsafe.Pointer(&attr))
+}
+func pthread_attr_getstacksize_trampoline()
+
+//go:nosplit
+//go:cgo_unsafe_args
+func pthread_attr_setdetachstate(attr *pthreadattr, state int) int32 {
+	return libcCall(unsafe.Pointer(funcPC(pthread_attr_setdetachstate_trampoline)), unsafe.Pointer(&attr))
+}
+func pthread_attr_setdetachstate_trampoline()
+
+//go:nosplit
+//go:cgo_unsafe_args
+func pthread_create(attr *pthreadattr, start uintptr, arg unsafe.Pointer) int32 {
+	return libcCall(unsafe.Pointer(funcPC(pthread_create_trampoline)), unsafe.Pointer(&attr))
+}
+func pthread_create_trampoline()
+
+// Tell the linker that the libc_* functions are to be found
+// in a system library, with the libc_ prefix missing.
+
+//go:cgo_import_dynamic libc_pthread_attr_init pthread_attr_init "libpthread.so"
+//go:cgo_import_dynamic libc_pthread_attr_destroy pthread_attr_destroy "libpthread.so"
+//go:cgo_import_dynamic libc_pthread_attr_getstacksize pthread_attr_getstacksize "libpthread.so"
+//go:cgo_import_dynamic libc_pthread_attr_setdetachstate pthread_attr_setdetachstate "libpthread.so"
+//go:cgo_import_dynamic libc_pthread_create pthread_create "libpthread.so"
+//go:cgo_import_dynamic libc_pthread_sigmask pthread_sigmask "libpthread.so"
+
+//go:cgo_import_dynamic _ _ "libpthread.so"
+//go:cgo_import_dynamic _ _ "libc.so"