Implement new syscall package.

Calls to library functions now use entersyscall and
exitsyscall as appropriate.  This is a first step toward
multiplexing goroutines onto threads.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@180345 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 19 insertions, 0 deletions

diff --git a/libgo/go/syscall/exec_stubs.go b/libgo/go/syscall/exec_stubs.go
new file mode 100644
index 00000000000..ce5dabe1e3b
--- /dev/null
+++ b/libgo/go/syscall/exec_stubs.go
@@ -0,0 +1,19 @@
+// Copyright 2010 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.
+
+// Stubs for fork, exec and wait.
+
+package syscall
+
+func ForkExec(argv0 string, argv []string, envv []string, dir string, fd []int) (pid int, err int) {
+	return -1, ENOSYS;
+}
+
+func Exec(argv0 string, argv []string, envv []string) (err int) {
+	return ENOSYS;
+}
+
+func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, errno int) {
+	return -1, ENOSYS;
+}