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| author | Roland McGrath <roland@gnu.org> | 2002-12-09 10:49:37 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 2002-12-09 10:49:37 +0000 |
| commit | 58a851f1082519eab4b881036dea70a8ef052f25 (patch) | |
| tree | 8add850ab754c41407e02756b9b017f8deb70375 /nptl_db | |
| parent | 57b4cb25227fbb4c4e379877de27a5aa119ba938 (diff) | |
| download | glibc-58a851f1082519eab4b881036dea70a8ef052f25.zip glibc-58a851f1082519eab4b881036dea70a8ef052f25.tar.gz glibc-58a851f1082519eab4b881036dea70a8ef052f25.tar.bz2 | |
* td_ta_event_getmsg.c (td_ta_event_getmsg): Write the NEXT pointer
into the inferior's __pthread_last_event variable, not a word from
an inferior address used in the parent. Pass the address of a
null word to ps_pdwrite, not a null pointer.
Diffstat (limited to 'nptl_db')
| -rw-r--r-- | nptl_db/ChangeLog | 7 | ||||
| -rw-r--r-- | nptl_db/td_ta_event_getmsg.c | 9 |
2 files changed, 12 insertions, 4 deletions
diff --git a/nptl_db/ChangeLog b/nptl_db/ChangeLog index 8726260..2a760bf 100644 --- a/nptl_db/ChangeLog +++ b/nptl_db/ChangeLog @@ -1,3 +1,10 @@ +2002-12-06 Roland McGrath <roland@redhat.com> + + * td_ta_event_getmsg.c (td_ta_event_getmsg): Write the NEXT pointer + into the inferior's __pthread_last_event variable, not a word from + an inferior address used in the parent. Pass the address of a + null word to ps_pdwrite, not a null pointer. + 2002-12-04 Roland McGrath <roland@redhat.com> * td_thr_get_info.c (td_thr_get_info): ti_tid is pthread_t, not a PID. diff --git a/nptl_db/td_ta_event_getmsg.c b/nptl_db/td_ta_event_getmsg.c index 4e3245d..919ba65 100644 --- a/nptl_db/td_ta_event_getmsg.c +++ b/nptl_db/td_ta_event_getmsg.c @@ -43,11 +43,11 @@ td_ta_event_getmsg (const td_thragent_t *ta, td_event_msg_t *msg) &addr, sizeof (struct pthread *)) != PS_OK) return TD_ERR; /* XXX Other error value? */ - /* Read the even structure from the target. */ if (addr == 0) + /* Nothing waiting. */ return TD_NOMSG; - /* Read the even structure from the target. */ + /* 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) @@ -73,12 +73,13 @@ td_ta_event_getmsg (const td_thragent_t *ta, td_event_msg_t *msg) /* Store the pointer in the list head variable. */ if (ps_pdwrite (ta->ph, ta->pthread_last_event, - addr, sizeof (struct pthread *)) != PS_OK) + &next, sizeof (struct pthread *)) != PS_OK) return TD_ERR; /* XXX Other error value? */ /* Clear the next pointer in the current descriptor. */ + next = NULL; if (ps_pdwrite (ta->ph, (char *) addr + offsetof (struct pthread, nextevent), - NULL, sizeof (struct pthread *)) != PS_OK) + &next, sizeof (struct pthread *)) != PS_OK) return TD_ERR; /* XXX Other error value? */ return TD_OK; |