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Implement timeouts when blocking the calling process with tsleep. 

Fixes PR kern/33452
This commit is contained in:
gavan 2011-11-20 22:27:39 +00:00
parent 0a4b126e70
commit 6c2570459b
1 changed files with 6 additions and 6 deletions
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12
sys/dev/usb/ugen.c
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@ -1,4 +1,4 @@
/* $NetBSD: ugen.c,v 1.111 2010/11/03 22:34:23 dyoung Exp $ */
/* $NetBSD: ugen.c,v 1.112 2011/11/20 22:27:39 gavan Exp $ */
/*
* Copyright (c) 1998, 2004 The NetBSD Foundation, Inc.
@ -37,7 +37,7 @@
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ugen.c,v 1.111 2010/11/03 22:34:23 dyoung Exp $");
__KERNEL_RCSID(0, "$NetBSD: ugen.c,v 1.112 2011/11/20 22:27:39 gavan Exp $");
#include "opt_compat_netbsd.h"
@ -619,7 +619,7 @@ ugen_do_read(struct ugen_softc *sc, int endpt, struct uio *uio, int flag)
}
sce->state |= UGEN_ASLP;
DPRINTFN(5, ("ugenread: sleep on %p\n", sce));
error = tsleep(sce, PZERO | PCATCH, "ugenri", 0);
error = tsleep(sce, PZERO | PCATCH, "ugenri", mstohz(sce->timeout));
DPRINTFN(5, ("ugenread: woke, error=%d\n", error));
if (sc->sc_dying)
error = EIO;
@ -664,7 +664,7 @@ ugen_do_read(struct ugen_softc *sc, int endpt, struct uio *uio, int flag)
("ugenread: sleep on %p\n",
sce));
error = tsleep(sce, PZERO | PCATCH,
"ugenrb", 0);
"ugenrb", mstohz(sce->timeout));
DPRINTFN(5,
("ugenread: woke, error=%d\n",
error));
@ -755,7 +755,7 @@ ugen_do_read(struct ugen_softc *sc, int endpt, struct uio *uio, int flag)
}
sce->state |= UGEN_ASLP;
DPRINTFN(5, ("ugenread: sleep on %p\n", sce));
error = tsleep(sce, PZERO | PCATCH, "ugenri", 0);
error = tsleep(sce, PZERO | PCATCH, "ugenri", mstohz(sce->timeout));
DPRINTFN(5, ("ugenread: woke, error=%d\n", error));
if (sc->sc_dying)
error = EIO;
@ -862,7 +862,7 @@ ugen_do_write(struct ugen_softc *sc, int endpt, struct uio *uio,
("ugenwrite: sleep on %p\n",
sce));
error = tsleep(sce, PZERO | PCATCH,
"ugenwb", 0);
"ugenwb", mstohz(sce->timeout));
DPRINTFN(5,
("ugenwrite: woke, error=%d\n",
error));