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-rw-r--r--posix/getconf.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/posix/getconf.c b/posix/getconf.c
index bf13fb447d..26d1d381b9 100644
--- a/posix/getconf.c
+++ b/posix/getconf.c
@@ -41,6 +41,9 @@ static struct conf vars[] =
     { "_POSIX_CHOWN_RESTRICTED", _PC_CHOWN_RESTRICTED, PATHCONF },
     { "_POSIX_NO_TRUNC", _PC_NO_TRUNC, PATHCONF },
     { "_POSIX_VDISABLE", _PC_VDISABLE, PATHCONF },
+    { "_POSIX_SYNC_IO", _PC_SYNC_IO, PATHCONF },
+    { "_POSIX_ASYNC_IO", _PC_ASYNC_IO, PATHCONF },
+    { "_POSIX_PRIO_IO", _PC_PRIO_IO, PATHCONF },
 
     { "ARG_MAX", _SC_ARG_MAX, SYSCONF },
     { "CHILD_MAX", _SC_CHILD_MAX, SYSCONF },