initial check-in, version 0.5.0 v0.5.0

1 files changed, 38 insertions, 0 deletions

diff --git a/include/ucontext.h b/include/ucontext.h
new file mode 100644
index 00000000..db335677
--- /dev/null
+++ b/include/ucontext.h
@@ -0,0 +1,38 @@
+#ifndef _UCONTEXT_H
+#define _UCONTEXT_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <signal.h>
+
+struct __fpstate {
+	unsigned long __x[7];
+	unsigned char __y[80];
+	unsigned long __z;
+};
+
+typedef struct {
+	unsigned long __gregs[19];
+	void *__fpregs;
+	unsigned long __oldmask, __cr2;
+} mcontext_t;
+
+typedef struct __ucontext {
+	unsigned long uc_flags;
+	struct __ucontext *uc_link;
+	stack_t uc_stack;
+	mcontext_t uc_mcontext;
+	sigset_t uc_sigmask;
+	struct __fpstate __fpregs_mem;
+} ucontext_t;
+
+int  getcontext(ucontext_t *);
+void makecontext(ucontext_t *, void (*)(void), int, ...);
+int  setcontext(const ucontext_t *);
+int  swapcontext(ucontext_t *, const ucontext_t *);
+
+#ifdef __cplusplus
+}
+#endif
+#endif