diff options
Diffstat (limited to 'usr/src/uts/common/os/ddifm.c')
| -rw-r--r-- | usr/src/uts/common/os/ddifm.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/usr/src/uts/common/os/ddifm.c b/usr/src/uts/common/os/ddifm.c index 71dcab5b61..a111620eae 100644 --- a/usr/src/uts/common/os/ddifm.c +++ b/usr/src/uts/common/os/ddifm.c @@ -19,7 +19,7 @@ * CDDL HEADER END */ /* - * Copyright 2007 Sun Microsystems, Inc. All rights reserved. + * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ @@ -467,6 +467,7 @@ i_ddi_fm_handler_enter(dev_info_t *dip) struct i_ddi_fmhdl *hdl = DEVI(dip)->devi_fmhdl; mutex_enter(&hdl->fh_lock); + hdl->fh_lock_owner = curthread; } /* @@ -480,9 +481,18 @@ i_ddi_fm_handler_exit(dev_info_t *dip) { struct i_ddi_fmhdl *hdl = DEVI(dip)->devi_fmhdl; + hdl->fh_lock_owner = NULL; mutex_exit(&hdl->fh_lock); } +boolean_t +i_ddi_fm_handler_owned(dev_info_t *dip) +{ + struct i_ddi_fmhdl *hdl = DEVI(dip)->devi_fmhdl; + + return (hdl->fh_lock_owner == curthread); +} + /* * Register a fault manager error handler for this device instance * |