Hi, everyone, I'm working on a simple network application and I'm new to
libuv, so I have a question about the buffer allocation.
If I have only one event loop in application, and I registered many tcp and
udp handlers on the event loop, does it safe for use the following code as
uv_alloc_cb?
static char buffer[65535] = {0};
void alloc_buffer(uv_handle_t *handle, size_t suggested_size, uv_buf_t
*buf) {
buf->base = (char*)buffer;
buf->len = 65535;
}
In my imagine, the libuv will work like this in a single thread:
system polled --> call allocator --> call uv_recv_cb --> anthoer system
polled --> ...,
so the memory allocated in uv_alloc_cb will only been used in the
uv_recv_cb and will not been overwrite before uv_recv_cb end, it seems safe
to use static memory in the loop in such situation, but I don't know
whether libuv do it actually like this.
And more question if libuv actually work like this:
Will it have different behaviour in different platform?
Will the behaviour changes in some special situation(like thread-based
handler been added to loop)?
Thanks!
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