1 files changed, 47 insertions, 0 deletions

diff --git a/openbsd-compat/bsd-waitpid.h b/openbsd-compat/bsd-waitpid.h
new file mode 100644
index 000000000..25c6e9c86
--- /dev/null
+++ b/openbsd-compat/bsd-waitpid.h
@@ -0,0 +1,47 @@
+/*
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef _BSD_WAITPID_H
+#define _BSD_WAITPID_H
+
+#ifndef HAVE_WAITPID
+/* Clean out any potental issues */
+#undef WIFEXITED
+#undef WIFSTOPPED
+#undef WIFSIGNALED
+
+/* Define required functions to mimic a POSIX look and feel */
+#define _W_INT(w)       (*(int*)&(w))   /* convert union wait to int */
+#define WIFEXITED(w)    (!((_W_INT(w)) & 0377))
+#define WIFSTOPPED(w)   ((_W_INT(w)) & 0100)
+#define WIFSIGNALED(w)  (!WIFEXITED(w) && !WIFSTOPPED(w))
+#define WEXITSTATUS(w)  (int)(WIFEXITED(w) ? ((_W_INT(w) >> 8) & 0377) : -1)
+#define WTERMSIG(w)     (int)(WIFSIGNALED(w) ? (_W_INT(w) & 0177) : -1)
+#define WCOREFLAG       0x80
+#define WCOREDUMP(w)    ((_W_INT(w)) & WCOREFLAG)
+
+/* Prototype */
+pid_t waitpid(int pid, int *stat_loc, int options);
+
+#endif /* !HAVE_WAITPID */
+#endif /* _BSD_WAITPID_H */