From 63e5017d9863d4ed215782e469e8ee2c6ff8473d Mon Sep 17 00:00:00 2001 From: Miguel Date: Tue, 9 Oct 2018 16:21:32 +0200 Subject: fix pipers --- fs/fd.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'fs/fd.c') diff --git a/fs/fd.c b/fs/fd.c index 7ba7142..740bf35 100644 --- a/fs/fd.c +++ b/fs/fd.c @@ -25,6 +25,11 @@ bool fd_has(fd* f) if(!f->has)kpanic("no has func") return f->has(f->data); } +bool fd_can_write(fd* f) +{ + if(!f->can_write)kpanic("no has func") + return f->can_write(f->data); +} bool fd_eof(fd* f) { @@ -203,6 +208,10 @@ bool pipe_has(uint32_t *data) { return ringbuffer_has(data); } +bool pipe_can_write(uint32_t *data) +{ + return !ringbuffer_full(data); +} bool pipe_eof(uint8_t *data) { @@ -248,6 +257,7 @@ int fds_from_pipe(fd pipefds[2]) read.eof=pipe_eof; wrt.eof=0; + wrt.can_write=pipe_can_write; read.close=pipe_r_close; wrt.close=pipe_w_close; -- cgit v1.2.3