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check for unexpected exit

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Ensure that some code/library doesn't call delilberately exit(). If so,
write an error msg to warn about it.

refer to GH-402
This commit is contained in:
Martin Pulec
2024-08-16 16:32:54 +02:00
parent 7995b18255
commit 922fe47fc9
1 changed files with 12 additions and 0 deletions
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12
src/host.cpp
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@@ -199,6 +199,7 @@ struct init_data {
static void print_param_doc(void);
static bool validate_param(const char *param);
static bool unexpected_exit_called = true; // check for unexpected exit()
void common_cleanup(struct init_data *init)
{
if (init) {
@@ -223,6 +224,8 @@ void common_cleanup(struct init_data *init)
// to allow "cuda-memcheck --leak-check full"
cuda_wrapper_device_reset();
#endif
unexpected_exit_called = false;
}
ADD_TO_PARAM("stdout-buf",
@@ -422,6 +425,13 @@ tok_in_argv(char **argv, const char *tok)
return false;
}
static void echeck_unexpected_exit(void ) {
if (!unexpected_exit_called) {
return;
}
fprintf(stderr, "exit() called unexpectedly! Maybe by some library?\n");
}
struct init_data *common_preinit(int argc, char *argv[])
{
uv_argc = argc;
@@ -521,6 +531,8 @@ struct init_data *common_preinit(int argc, char *argv[])
fec_init();
#endif
atexit(echeck_unexpected_exit);
return new init_data{ std::move(init) };
}