Function prof_dump

BeefRT/JEMalloc/src/prof_sys.c:490–525

}

static bool
prof_dump(tsd_t *tsd, bool propagate_err, const char *filename,
    bool leakcheck) {
	cassert(config_prof);
	assert(tsd_reentrancy_level_get(tsd) == 0);

	prof_tdata_t * tdata = prof_tdata_get(tsd, true);
	if (tdata == NULL) {
		return true;
	}

	prof_dump_arg_t arg = {/* handle_error_locally */ !propagate_err,
	    /* error */ false, /* prof_dump_fd */ -1};

	pre_reentrancy(tsd, NULL);
	malloc_mutex_lock(tsd_tsdn(tsd), &prof_dump_mtx);

	prof_dump_open(&arg, filename);
	buf_writer_t buf_writer;
	bool err = buf_writer_init(tsd_tsdn(tsd), &buf_writer, prof_dump_flush,
	    &arg, prof_dump_buf, PROF_DUMP_BUFSIZE);
	assert(!err);
	prof_dump_impl(tsd, buf_writer_cb, &buf_writer, tdata, leakcheck);
	prof_dump_maps(&buf_writer);
	buf_writer_terminate(tsd_tsdn(tsd), &buf_writer);
	prof_dump_close(&arg);

	prof_dump_hook_t dump_hook = prof_dump_hook_get();
	if (dump_hook != NULL) {
		dump_hook(filename);
	}
	malloc_mutex_unlock(tsd_tsdn(tsd), &prof_dump_mtx);
	post_reentrancy(tsd);

	return arg.error;
}

/*
 * If profiling is off, then PROF_DUMP_FILENAME_LEN is 1, so we'll end up