kernel/syscalls: merge a few syscalls into vfsop_simple

Those had a lot of repeating code, but I'm not sure if this is the
right change. Well, apart from making pipe_joinqueue more consistent.

1 files changed, 2 insertions, 4 deletions

diff --git a/src/kernel/pipe.h b/src/kernel/pipe.h
index 9040ab1..2a90738 100644
--- a/src/kernel/pipe.h
+++ b/src/kernel/pipe.h
@@ -2,10 +2,8 @@
 #include <kernel/proc.h>
 #include <stdbool.h>
 
-/* returns false on failure */
-bool pipe_joinqueue(struct handle *h, bool wants_write,
+/* eventually transitions to PS_RUNNING */
+void pipe_joinqueue(struct handle *h, bool wants_write,
 		struct process *proc, void __user *pbuf, size_t pbuflen);
 
-void pipe_trytransfer(struct handle *h);
-
 void pipe_invalidate_end(struct handle *h);