From 7f08f55a9f88d23fcfbf1fed00f4d5a094e5fffc Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Tue, 9 Sep 2003 07:01:01 +0000 Subject: * 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. --- nptl_db/td_ta_set_event.c | 65 +++++++++++++++++++++++++++++++++-------------- 1 file changed, 46 insertions(+), 19 deletions(-) (limited to 'nptl_db/td_ta_set_event.c') 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 , 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; } -- cgit v1.2.1