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| author | Jan Kratochvil <jan.kratochvil@redhat.com> | 2010-07-27 21:22:09 +0000 |
|---|---|---|
| committer | Jan Kratochvil <jan.kratochvil@redhat.com> | 2010-07-27 21:22:09 +0000 |
| commit | 00390b843385e6046e2f5beae08fa2e29523a344 (patch) | |
| tree | 13472d5fb1d14e218bdd7df5fa83b64936c6b5de /gdb/linux-nat.c | |
| parent | 9684f07814af5cabe84dfeb3f4a178b9a828e44d (diff) | |
| download | gdb-00390b843385e6046e2f5beae08fa2e29523a344.zip gdb-00390b843385e6046e2f5beae08fa2e29523a344.tar.gz gdb-00390b843385e6046e2f5beae08fa2e29523a344.tar.bz2 | |
gdb/
* linux-nat.c (linux_nat_lp_status_is_event): New function.
(count_events_callback, select_event_lwp_callback)
(cancel_breakpoints_callback, linux_nat_wait_1): Use it.
Diffstat (limited to 'gdb/linux-nat.c')
| -rw-r--r-- | gdb/linux-nat.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/gdb/linux-nat.c b/gdb/linux-nat.c index 152c17f..f697a9a 100644 --- a/gdb/linux-nat.c +++ b/gdb/linux-nat.c @@ -2617,6 +2617,20 @@ sigtrap_is_event (int status) static int (*linux_nat_status_is_event) (int status) = sigtrap_is_event; +/* Check for SIGTRAP-like events in LP. */ + +static int +linux_nat_lp_status_is_event (struct lwp_info *lp) +{ + /* We check for lp->waitstatus in addition to lp->status, because we can + have pending process exits recorded in lp->status + and W_EXITCODE(0,0) == 0. We should probably have an additional + lp->status_p flag. */ + + return (lp->waitstatus.kind == TARGET_WAITKIND_IGNORE + && linux_nat_status_is_event (lp->status)); +} + /* Set alternative SIGTRAP-like events recognizer. If breakpoint_inserted_here_p there then gdbarch_decr_pc_after_break will be applied. */ @@ -2823,8 +2837,7 @@ count_events_callback (struct lwp_info *lp, void *data) gdb_assert (count != NULL); /* Count only resumed LWPs that have a SIGTRAP event pending. */ - if (lp->status != 0 && lp->resumed - && linux_nat_status_is_event (lp->status)) + if (lp->resumed && linux_nat_lp_status_is_event (lp)) (*count)++; return 0; @@ -2851,8 +2864,7 @@ select_event_lwp_callback (struct lwp_info *lp, void *data) gdb_assert (selector != NULL); /* Select only resumed LWPs that have a SIGTRAP event pending. */ - if (lp->status != 0 && lp->resumed - && linux_nat_status_is_event (lp->status)) + if (lp->resumed && linux_nat_lp_status_is_event (lp)) if ((*selector)-- == 0) return 1; @@ -2912,9 +2924,7 @@ cancel_breakpoints_callback (struct lwp_info *lp, void *data) delete or disable the breakpoint, but the LWP will have already tripped on it. */ - if (lp->waitstatus.kind == TARGET_WAITKIND_IGNORE - && lp->status != 0 - && linux_nat_status_is_event (lp->status) + if (linux_nat_lp_status_is_event (lp) && cancel_breakpoint (lp)) /* Throw away the SIGTRAP. */ lp->status = 0; @@ -3433,8 +3443,7 @@ retry: always cancels breakpoint hits in all threads. */ if (non_stop - && lp->waitstatus.kind == TARGET_WAITKIND_IGNORE - && linux_nat_status_is_event (lp->status) + && linux_nat_lp_status_is_event (lp) && cancel_breakpoint (lp)) { /* Throw away the SIGTRAP. */ |