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authorRoland McGrath <roland@gnu.org>2003-09-09 07:01:01 +0000
committerRoland McGrath <roland@gnu.org>2003-09-09 07:01:01 +0000
commit7f08f55a9f88d23fcfbf1fed00f4d5a094e5fffc (patch)
tree5796d7f5d713c3c264a70a6039b0ba52e262b06f /nptl_db/td_ta_set_event.c
parent416be7f049391ce421d9b12a2c3b81bb3cad9f58 (diff)
downloadglibc-7f08f55a9f88d23fcfbf1fed00f4d5a094e5fffc.tar.gz
* sysdeps/unix/sysv/linux/speed.c
(cfsetospeed): Only set c_ospeed under [_HAVE_STRUCT_TERMIOS_C_OSPEED]. (cfsetispeed): Only set c_ispeed under [_HAVE_STRUCT_TERMIOS_C_ISPEED]. * sysdeps/unix/sysv/linux/bits/termios.h (_HAVE_STRUCT_TERMIOS_C_ISPEED, _HAVE_STRUCT_TERMIOS_C_OSPEED): Define. * sysdeps/unix/sysv/linux/alpha/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/termios.h: Likewise.
Diffstat (limited to 'nptl_db/td_ta_set_event.c')
-rw-r--r--nptl_db/td_ta_set_event.c65
1 files changed, 46 insertions, 19 deletions
diff --git a/nptl_db/td_ta_set_event.c b/nptl_db/td_ta_set_event.c
index 5e2cca795d..4fcc934a6b 100644
--- a/nptl_db/td_ta_set_event.c
+++ b/nptl_db/td_ta_set_event.c
@@ -1,5 +1,5 @@
/* Globally enable events.
- Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ Copyright (C) 1999,2001,2002,2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
@@ -22,31 +22,58 @@
td_err_e
-td_ta_set_event (ta, event)
- const td_thragent_t *ta;
+td_ta_set_event (ta_arg, event)
+ const td_thragent_t *ta_arg;
td_thr_events_t *event;
{
+ td_thragent_t *const ta = (td_thragent_t *) ta_arg;
+ td_err_e err;
+ psaddr_t eventmask;
+ void *copy;
+
LOG ("td_ta_set_event");
/* Test whether the TA parameter is ok. */
if (! ta_ok (ta))
return TD_BADTA;
- /* Write the new value into the thread data structure. */
- td_thr_events_t old_event;
- if (ps_pdread (ta->ph, ta->pthread_threads_eventsp,
- &old_event, sizeof (td_thrhandle_t)) != PS_OK)
- return TD_ERR; /* XXX Other error value? */
-
- /* Or the new bits in. */
- int i;
- for (i = 0; i < TD_EVENTSIZE; ++i)
- old_event.event_bits[i] |= event->event_bits[i];
-
- /* Write the new value into the thread data structure. */
- if (ps_pdwrite (ta->ph, ta->pthread_threads_eventsp,
- &old_event, sizeof (td_thrhandle_t)) != PS_OK)
- return TD_ERR; /* XXX Other error value? */
+ /* Fetch the old event mask from the inferior and modify it in place. */
+ err = DB_GET_SYMBOL (eventmask, ta, __nptl_threads_events);
+ if (err == TD_OK)
+ err = DB_GET_STRUCT (copy, ta, eventmask, td_thr_events_t);
+ if (err == TD_OK)
+ {
+ uint32_t idx;
+ for (idx = 0; idx < TD_EVENTSIZE; ++idx)
+ {
+ psaddr_t word;
+ uint32_t mask;
+ err = DB_GET_FIELD_LOCAL (word, ta, copy,
+ td_thr_events_t, event_bits, idx);
+ if (err != TD_OK)
+ break;
+ mask = (uintptr_t) word;
+ mask |= event->event_bits[idx];
+ word = (psaddr_t) (uintptr_t) mask;
+ err = DB_PUT_FIELD_LOCAL (ta, copy,
+ td_thr_events_t, event_bits, idx, word);
+ if (err != TD_OK)
+ break;
+ }
+ if (err == TD_NOAPLIC)
+ {
+ err = TD_OK;
+ while (idx < TD_EVENTSIZE)
+ if (event->event_bits[idx++] != 0)
+ {
+ err = TD_NOEVENT;
+ break;
+ }
+ }
+ if (err == TD_OK)
+ /* Now write it back to the inferior. */
+ err = DB_PUT_STRUCT (ta, eventmask, td_thr_events_t, copy);
+ }
- return TD_OK;
+ return err;
}