gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / libiberty / waitpid.c

diff --git a/libiberty/waitpid.c b/libiberty/waitpid.c
index 23db0b932d2e2c9d5d6b9b3a561e420e04ac54b9..c0e9c3e0ca995a513df59c19fe6e3ded8274e608 100644 (file)
--- a/libiberty/waitpid.c
+++ b/libiberty/waitpid.c
@@ -1,6 +1,35 @@
-int
-waitpid (pid, stat_loc, options)
-       int pid, *stat_loc, options;
+/*
+
+@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
+
+#ifdef __MINGW32__
+#include <process.h>
+#define wait(s)  _cwait(s,pid,_WAIT_CHILD)
+#endif
+
+pid_t
+waitpid (pid_t pid, int *stat_loc, int options ATTRIBUTE_UNUSED)
 {
   for (;;)
     {