- Added wait3() and wait4() to the bsd compatibility library.

- Untested, but should work (will test it when I get home later today).
- This is my first attempt at adding something for compatibility reasons. Let
  me know if something in wrong.



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@34091 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/compatibility/bsd/sys/wait.h

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2009, Haiku, Inc. All Rights Reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _BSD_SYS_WAIT_H_
+#define _BSD_SYS_WAIT_H_
+
+
+#include_next <sys/wait.h>
+
+#include <sys/resource.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+pid_t wait3(int *status, int options, struct rusage *rusage);
+
+pid_t wait4(pid_t pid, int *status, int options, struct rusage *rusage);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _BSD_SYS_WAIT_H_ */

src/libs/bsd/Jamfile

@@ -18,4 +18,5 @@ SharedLibrary libbsd.so :
 	unvis.c
 	usershell.c
 	vis.c
+	wait.c
 ;

src/libs/bsd/wait.c

@@ -0,0 +1,26 @@
+/*
+ * Copyright 2009, Haiku, Inc. All Rights Reserved.
+ * Distributed under the terms of the MIT License.
+ *
+ * Authors:
+ *		Bruno Albuquerque, bga@bug-br.org.br
+ */
+
+
+#include <sys/wait.h>
+
+
+pid_t
+wait3(int *status, int options, struct rusage *rusage) {
+  return wait4(-1, status, options, rusage);
+}
+
+
+pid_t
+wait4(pid_t pid, int *status, int options, struct rusage *rusage) {
+  pid_t waitPid = waitpid(pid, status, options);
+  getrusage(RUSAGE_CHILDREN, rusage);
+
+  return waitPid;
+}
+