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-rw-r--r--sysdeps/mach/hurd/posix_opt.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/posix_opt.h b/sysdeps/mach/hurd/posix_opt.h
index 75a07e1539..045b4b6666 100644
--- a/sysdeps/mach/hurd/posix_opt.h
+++ b/sysdeps/mach/hurd/posix_opt.h
@@ -1,3 +1,12 @@
+/* Posix options supported by the GNU Hurd port of GNU libc. */
+
+#define _POSIX_JOB_CONTROL	1
+#define _POSIX_SAVED_IDS	1
+#define _POSIX_VDISABLE		((unsigned char) -1)
+
+/* Different Hurd filesystems might do these differently. */
+#undef _POSIX_CHOWN_RESTRICTED
+#undef _POSIX_NO_TRUNC
 /* Posix options supported by the GNU Hurd port of GNU libc. */ 
 
 #define _POSIX_JOB_CONTROL	1