diff options
| -rw-r--r-- | sys/miscfs/fifofs/fifo_vnops.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/sys/miscfs/fifofs/fifo_vnops.c b/sys/miscfs/fifofs/fifo_vnops.c index 157f00fd8e9..0ac5f3e37f0 100644 --- a/sys/miscfs/fifofs/fifo_vnops.c +++ b/sys/miscfs/fifofs/fifo_vnops.c @@ -1,4 +1,4 @@ -/* $OpenBSD: fifo_vnops.c,v 1.19 2004/03/02 04:42:52 tedu Exp $ */ +/* $OpenBSD: fifo_vnops.c,v 1.20 2004/05/14 21:33:58 millert Exp $ */ /* $NetBSD: fifo_vnops.c,v 1.18 1996/03/16 23:52:42 christos Exp $ */ /* @@ -191,18 +191,20 @@ fifo_open(v) rso->so_state |= SS_CANTRCVMORE; } if (ap->a_mode & FREAD) { - if (fip->fi_readers++ == 0) { + fip->fi_readers++; + if (fip->fi_readers == 1) { fip->fi_writesock->so_state &= ~SS_CANTSENDMORE; if (fip->fi_writers > 0) wakeup(&fip->fi_writers); } } if (ap->a_mode & FWRITE) { + fip->fi_writers++; if ((ap->a_mode & O_NONBLOCK) && fip->fi_readers == 0) { error = ENXIO; goto bad; } - if (fip->fi_writers++ == 0) { + if (fip->fi_writers == 1) { fip->fi_readsock->so_state &= ~SS_CANTRCVMORE; if (fip->fi_readers > 0) wakeup(&fip->fi_readers); |