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author | Roland McGrath <roland@gnu.org> | 2003-09-09 07:01:01 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 2003-09-09 07:01:01 +0000 |
commit | 7f08f55a9f88d23fcfbf1fed00f4d5a094e5fffc (patch) | |
tree | 5796d7f5d713c3c264a70a6039b0ba52e262b06f /nptl_db/td_ta_event_getmsg.c | |
parent | 416be7f049391ce421d9b12a2c3b81bb3cad9f58 (diff) | |
download | glibc-7f08f55a9f88d23fcfbf1fed00f4d5a094e5fffc.tar.gz glibc-7f08f55a9f88d23fcfbf1fed00f4d5a094e5fffc.tar.xz glibc-7f08f55a9f88d23fcfbf1fed00f4d5a094e5fffc.zip |
* 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_event_getmsg.c')
-rw-r--r-- | nptl_db/td_ta_event_getmsg.c | 91 |
1 files changed, 48 insertions, 43 deletions
diff --git a/nptl_db/td_ta_event_getmsg.c b/nptl_db/td_ta_event_getmsg.c index bab44cddda..6e68ff4ff2 100644 --- a/nptl_db/td_ta_event_getmsg.c +++ b/nptl_db/td_ta_event_getmsg.c @@ -25,76 +25,81 @@ td_err_e -td_ta_event_getmsg (const td_thragent_t *ta, td_event_msg_t *msg) +td_ta_event_getmsg (const td_thragent_t *ta_arg, td_event_msg_t *msg) { + td_thragent_t *const ta = (td_thragent_t *) ta_arg; + td_err_e err; + psaddr_t eventbuf, eventnum, eventdata; + psaddr_t thp, next; + void *copy; + /* XXX I cannot think of another way but using a static variable. */ /* XXX Use at least __thread once it is possible. */ static td_thrhandle_t th; - LOG ("td_ta_event_getmsg"); + LOG ("td_thr_event_getmsg"); /* Test whether the TA parameter is ok. */ if (! ta_ok (ta)) return TD_BADTA; /* Get the pointer to the thread descriptor with the last event. */ - psaddr_t addr; - if (ps_pdread (ta->ph, ta->pthread_last_event, - &addr, sizeof (struct pthread *)) != PS_OK) - return TD_ERR; /* XXX Other error value? */ + err = DB_GET_VALUE (thp, ta, __nptl_last_event, 0); + if (err != TD_OK) + return err; - if (addr == 0) + if (thp == 0) /* Nothing waiting. */ return TD_NOMSG; - /* Read the event structure from the target. */ - td_eventbuf_t event; - if (ps_pdread (ta->ph, (char *) addr + offsetof (struct pthread, eventbuf), - &event, sizeof (td_eventbuf_t)) != PS_OK) - return TD_ERR; /* XXX Other error value? */ - + /* Copy the event message buffer in from the inferior. */ + err = DB_GET_FIELD_ADDRESS (eventbuf, ta, thp, pthread, eventbuf, 0); + if (err == TD_OK) + err = DB_GET_STRUCT (copy, ta, eventbuf, td_eventbuf_t); + if (err != TD_OK) + return err; + + /* Read the event details from the target thread. */ + err = DB_GET_FIELD_LOCAL (eventnum, ta, copy, td_eventbuf_t, eventnum, 0); + if (err != TD_OK) + return err; /* If the structure is on the list there better be an event recorded. */ - if (event.eventnum == TD_EVENT_NONE) + if ((int) (uintptr_t) eventnum == TD_EVENT_NONE) return TD_DBERR; + /* Fill the user's data structure. */ + err = DB_GET_FIELD_LOCAL (eventdata, ta, copy, td_eventbuf_t, eventdata, 0); + if (err != TD_OK) + return err; + /* Generate the thread descriptor. */ th.th_ta_p = (td_thragent_t *) ta; - th.th_unique = addr; + th.th_unique = thp; /* Fill the user's data structure. */ - msg->event = event.eventnum; + msg->msg.data = (uintptr_t) eventdata; + msg->event = (uintptr_t) eventnum; msg->th_p = &th; - msg->msg.data = (uintptr_t) event.eventdata; /* And clear the event message in the target. */ - memset (&event, '\0', sizeof (td_eventbuf_t)); - if (ps_pdwrite (ta->ph, (char *) addr + offsetof (struct pthread, eventbuf), - &event, sizeof (td_eventbuf_t)) != PS_OK) - return TD_ERR; /* XXX Other error value? */ + memset (copy, 0, ta->ta_sizeof_td_eventbuf_t); + err = DB_PUT_STRUCT (ta, eventbuf, td_eventbuf_t, copy); + if (err != TD_OK) + return err; /* Get the pointer to the next descriptor with an event. */ - psaddr_t next; - if (ps_pdread (ta->ph, (char *) addr + offsetof (struct pthread, nextevent), - &next, sizeof (struct pthread *)) != PS_OK) - return TD_ERR; /* XXX Other error value? */ - - if (next == addr) - return TD_DBERR; + err = DB_GET_FIELD (next, ta, thp, pthread, nextevent, 0); + if (err != TD_OK) + return err; /* Store the pointer in the list head variable. */ - if (ps_pdwrite (ta->ph, ta->pthread_last_event, - &next, sizeof (struct pthread *)) != PS_OK) - return TD_ERR; /* XXX Other error value? */ - - if (next != NULL) - { - /* Clear the next pointer in the current descriptor. */ - next = NULL; - if (ps_pdwrite (ta->ph, - (char *) addr + offsetof (struct pthread, nextevent), - &next, sizeof (struct pthread *)) != PS_OK) - return TD_ERR; /* XXX Other error value? */ - } - - return TD_OK; + err = DB_PUT_VALUE (ta, __nptl_last_event, 0, next); + if (err != TD_OK) + return err; + + if (next != 0) + /* Clear the next pointer in the current descriptor. */ + err = DB_PUT_FIELD (ta, thp, pthread, nextevent, 0, 0); + + return err; } |