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testing for bug #449

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This commit is contained in:
Jan Kanis 2012-12-19 00:32:03 +01:00
parent 87baa4d3d2
commit aa477195d4
1 changed files with 69 additions and 3 deletions
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70
event.cpp
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@ -25,6 +25,9 @@
#include "event.h"
#include "signal.h"
FILE *checkfile;
FILE *tracefile;
/**
Number of signals that can be queued before an overflow occurs
*/
@ -131,6 +134,7 @@ static int event_match(const event_t *classv, const event_t *instance)
/**
This should never be reached
*/
debug(1, "Warning: Unreachable code reached in event_match in event.cpp\n");
return 0;
}
@ -216,7 +220,7 @@ wcstring event_get_desc(const event_t *e)
break;
default:
result = format_string(_(L"Unknown event type"));
result = format_string(_(L"Unknown event type '0x%x'"), e->type);
break;
}
@ -237,11 +241,59 @@ static void show_all_handlers(void)
}
#endif
static wcstring event_type_str(const event_t *event) {
wcstring res;
char const *temp;
int sig;
switch(event->type) {
case EVENT_ANY:
res += L"EVENT_ANY";
break;
case EVENT_VARIABLE:
if(event->str_param1.c_str()) {
res += format_string(L"EVENT_VARIABLE($%ls)", event->str_param1.c_str());
} else {
res += L"EVENT_VARIABLE([any])";
}
break;
case EVENT_SIGNAL:
sig = event->param1.signal;
if(sig == EVENT_ANY_SIGNAL) {
temp = "[all signals]";
} else if(sig == 0) {
temp = "not set";
} else {
temp = strsignal(sig);
}
res += format_string(L"EVENT_SIGNAL(%d: %s)", sig, temp);
break;
case EVENT_EXIT:
if(event->param1.pid == EVENT_ANY_PID) {
res += L"EVENT_EXIT([all child processes])";
} else {
res += format_string(L"EVENT_EXIT(pid %d)", event->param1.pid);
}
break;
case EVENT_JOB_ID:
res += format_string(L"EVENT_JOB_ID(%d)", event->param1.job_id);
break;
case EVENT_GENERIC:
res += format_string(L"EVENT_GENERIC(%ls)", event->str_param1.c_str());
break;
default:
res += format_string(L"unknown/illegal event(%x)", event->type);
}
return format_string(L"%ls: \"%ls\"", res.c_str(), event->function_name.c_str());
}
void event_add_handler(const event_t *event)
{
event_t *e;
CHECK(event,);
fprintf(tracefile, "register: %ls\n", event_type_str(event).c_str());
e = event_copy(event, 0);
@ -263,6 +315,7 @@ void event_remove(event_t *criterion)
event_list_t new_list;
CHECK(criterion,);
fprintf(tracefile, "unregister: %ls\n", event_type_str(criterion).c_str());
/*
Because of concurrency issues (env_remove could remove an event
@ -369,6 +422,13 @@ static int event_is_killed(event_t *e)
return std::find(killme.begin(), killme.end(), e) != killme.end();
}
void event_print_all(FILE *f, const wcstring& header, const std::vector<event_t *> &events) {
fprintf(f, "%ls", header.c_str());
for(uint i=0; i<events.size(); i++) {
fprintf(f, " %u: %ls\n", i, event_type_str(events.at(i)).c_str());
}
}
/**
Perform the specified event. Since almost all event firings will
not be matched by even a single event handler, we make sure to
@ -415,6 +475,9 @@ static void event_fire_internal(const event_t *event)
if (fire.empty())
return;
event_print_all(tracefile, format_string(L"firing matches for %ls\n", event_type_str(event).c_str()), fire);
/*
Iterate over our list of matching events
*/
@ -445,7 +508,7 @@ static void event_fire_internal(const event_t *event)
}
}
// debug( 1, L"Event handler fires command '%ls'", buffer.c_str() );
debug( 1, L"Event handler fires command '%ls'", buffer.c_str() );
/*
Event handlers are not part of the main flow of code, so
@ -599,6 +662,9 @@ void event_fire(event_t *event)
void event_init()
{
tracefile = fdopen(4, "w");
checkfile = fopen("/dev/null", "w");
setbuf(tracefile, NULL);
}
void event_destroy()