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authorRich Felker <dalias@aerifal.cx>2011-02-12 00:22:29 -0500
committerRich Felker <dalias@aerifal.cx>2011-02-12 00:22:29 -0500
commit0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 (patch)
tree6eaef0d8a720fa3da580de87b647fff796fe80b3 /include/ucontext.h
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initial check-in, version 0.5.0v0.5.0
Diffstat (limited to 'include/ucontext.h')
-rw-r--r--include/ucontext.h38
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