Libc-498.tar.gz

[apple/libc.git] / gen / FreeBSD / waitpid.c.patch

diff --git a/gen/FreeBSD/waitpid.c.patch b/gen/FreeBSD/waitpid.c.patch
new file mode 100644 (file)
index 0000000..7129f8d
--- /dev/null
+++ b/gen/FreeBSD/waitpid.c.patch
@@ -0,0 +1,35 @@
+--- waitpid.c.orig     2006-09-16 19:12:38.000000000 -0700
++++ waitpid.c  2006-09-16 20:38:56.000000000 -0700
+@@ -44,10 +44,31 @@
+ #include <sys/resource.h>
+ #include "un-namespace.h"
+ 
++#if __DARWIN_UNIX03
++#include <errno.h>
++#endif /* __DARWIN_UNIX03 */
++#ifdef VARIANT_CANCELABLE
++int __wait4(pid_t, int *, int , struct rusage *);
++#else /* !VARIANT_CANCELABLE */
++int __wait4_nocancel(pid_t, int *, int , struct rusage *);
++#endif /* VARIANT_CANCELABLE */
++
+ pid_t
+ __waitpid(pid_t pid, int *istat, int options)
+ {
+-      return (_wait4(pid, istat, options, (struct rusage *)0));
++#if __DARWIN_UNIX03
++      /* POSIX: Validate waitpid() options before calling wait4() */
++      if ((options & (WCONTINUED | WNOHANG | WUNTRACED)) != options) {
++              errno = EINVAL;
++              return ((pid_t)-1);
++      }
++#endif        /* __DARWIN_UNIX03 */
++
++#ifdef VARIANT_CANCELABLE
++      return (__wait4(pid, istat, options, (struct rusage *)0));
++#else /* !VARIANT_CANCELABLE */
++      return (__wait4_nocancel(pid, istat, options, (struct rusage *)0));
++#endif /* VARIANT_CANCELABLE */
+ }
+ 
+ __weak_reference(__waitpid, waitpid);