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Handle assertion failures during assertion handler.

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This commit is contained in:
Ryan C. Gordon
2010-01-13 09:13:37 +00:00
parent 55906b2938
commit 91168bd712
1 changed files with 26 additions and 14 deletions
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40
src/SDL_assert.c
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@@ -42,12 +42,10 @@ static SDL_assert_data assertion_list_terminator = { 0, 0, 0, 0, 0, 0, 0 };
static SDL_assert_data *triggered_assertions = &assertion_list_terminator;
#endif
static void
debug_print(const char *fmt, ...)
#ifdef __GNUC__
__attribute__((format (printf, 1, 2)))
static void
debug_print(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
#endif
;
static void
debug_print(const char *fmt, ...)
@@ -239,17 +237,21 @@ static void SDL_GenerateAssertionReport(void)
#endif
}
static void SDL_AbortAssertion(void)
static void SDL_ExitProcess(int exitcode)
{
SDL_Quit();
#ifdef _WINDOWS
ExitProcess(42);
#else
_exit(42);
#endif
}
static void SDL_AbortAssertion(void)
{
SDL_Quit();
SDL_ExitProcess(42);
}
static SDL_assert_state SDL_PromptAssertion(const SDL_assert_data *data)
{
@@ -348,7 +350,8 @@ SDL_assert_state
SDL_ReportAssertion(SDL_assert_data *data, const char *func, const char *file,
int line)
{
SDL_assert_state state;
static int assertion_running = 0;
SDL_assert_state state = SDL_ASSERTION_IGNORE;
if (SDL_LockMutex(assertion_mutex) < 0) {
return SDL_ASSERTION_IGNORE; /* oh well, I guess. */
@@ -364,17 +367,25 @@ SDL_ReportAssertion(SDL_assert_data *data, const char *func, const char *file,
SDL_AddAssertionToReport(data);
data->trigger_count++;
if (data->always_ignore) {
SDL_UnlockMutex(assertion_mutex);
return SDL_ASSERTION_IGNORE;
assertion_running++;
if (assertion_running > 1) { /* assert during assert! Abort. */
if (assertion_running == 2) {
SDL_AbortAssertion();
} else if (assertion_running == 3) { /* Abort asserted! */
SDL_ExitProcess(42);
} else {
while (1) { /* do nothing but spin; what else can you do?! */ }
}
}
state = SDL_PromptAssertion(data);
if (!data->always_ignore) {
state = SDL_PromptAssertion(data);
}
switch (state)
{
case SDL_ASSERTION_ABORT:
SDL_UnlockMutex(assertion_mutex); /* in case we assert in quit. */
SDL_AbortAssertion();
return SDL_ASSERTION_IGNORE; /* shouldn't return, but oh well. */
@@ -389,6 +400,7 @@ SDL_ReportAssertion(SDL_assert_data *data, const char *func, const char *file,
break; /* macro handles these. */
}
assertion_running--;
SDL_UnlockMutex(assertion_mutex);
return state;