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-rw-r--r--readline/posixjmp.h20
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diff --git a/readline/posixjmp.h b/readline/posixjmp.h
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+/* posixjmp.h -- wrapper for setjmp.h with changes for POSIX systems. */
+
+#ifndef _POSIXJMP_H_
+#define _POSIXJMP_H_
+
+#include <setjmp.h>
+
+/* This *must* be included *after* config.h */
+
+#if defined (HAVE_POSIX_SIGSETJMP)
+# define procenv_t sigjmp_buf
+# undef setjmp
+# define setjmp(x) sigsetjmp((x), 1)
+# undef longjmp
+# define longjmp(x, n) siglongjmp((x), (n))
+#else
+# define procenv_t jmp_buf
+#endif
+
+#endif /* _POSIXJMP_H_ */