diff options
Diffstat (limited to 'gdb/hppah-nat.c')
| -rw-r--r-- | gdb/hppah-nat.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/gdb/hppah-nat.c b/gdb/hppah-nat.c index 03157ed..643232c 100644 --- a/gdb/hppah-nat.c +++ b/gdb/hppah-nat.c @@ -698,6 +698,8 @@ require_notification_of_events (pid) #if defined(PT_SET_EVENT_MASK) int pt_status; ptrace_event_t ptrace_events; + int nsigs; + int signum; /* Instruct the kernel as to the set of events we wish to be informed of. (This support does not exist before HPUX 10.0. @@ -709,7 +711,29 @@ require_notification_of_events (pid) the kernel to keep certain signals hidden from us, we do it by calling sigdelset (ptrace_events.pe_signals, signal) for each such signal here, before doing PT_SET_EVENT_MASK. */ - sigemptyset (&ptrace_events.pe_signals); + /* RM: The above comment is no longer true. We start with ignoring + all signals, and then add the ones we are interested in. We could + do it the other way: start by looking at all signals and then + deleting the ones that we aren't interested in, except that + multiple gdb signals may be mapped to the same host signal + (eg. TARGET_SIGNAL_IO and TARGET_SIGNAL_POLL both get mapped to + signal 22 on HPUX 10.20) We want to be notified if we are + interested in either signal. */ + sigfillset (&ptrace_events.pe_signals); + + /* RM: Let's not bother with signals we don't care about */ + nsigs = (int) TARGET_SIGNAL_LAST; + for (signum = nsigs; signum > 0; signum--) + { + if ((signal_stop_state (signum)) || + (signal_print_state (signum)) || + (!signal_pass_state (signum))) + { + if (target_signal_to_host_p (signum)) + sigdelset (&ptrace_events.pe_signals, + target_signal_to_host (signum)); + } + } ptrace_events.pe_set_event = 0; |