2010-04-30 Richard Guenther <rguenther@suse.de>

[pf3gnuchains/gcc-fork.git] / libiberty / waitpid.c

diff --git a/libiberty/waitpid.c b/libiberty/waitpid.c
index 2848309..fd519d7 100644 (file)
--- a/libiberty/waitpid.c
+++ b/libiberty/waitpid.c
@@ -1,13 +1,30 @@
+/*
+
+@deftypefn Supplemental int waitpid (int @var{pid}, int *@var{status}, int)
+
+This is a wrapper around the @code{wait} function.  Any ``special''
+values of @var{pid} depend on your implementation of @code{wait}, as
+does the return value.  The third argument is unused in @libib{}.
+
+@end deftypefn
+
+*/
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
+#include "ansidecl.h"
+
+/* On some systems (such as WindISS), you must include <sys/types.h>
+   to get the definition of "pid_t" before you include <sys/wait.h>.  */
+#include <sys/types.h>
+
 #ifdef HAVE_SYS_WAIT_H
 #include <sys/wait.h>
 #endif
 
-int
-waitpid (pid, stat_loc, options)
-       int pid, *stat_loc, options;
+pid_t
+waitpid (pid_t pid, int *stat_loc, int options ATTRIBUTE_UNUSED)
 {
   for (;;)
     {