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epoll: Better handling of number of epoll types

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As we already did for flow types, use an "EPOLL_NUM_TYPES" isntead of
EPOLL_TYPE_MAX, which is a little bit safer and clearer.  Add a static
assert on the size of the matching names array.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
David Gibson 2024-01-16 11:50:37 +11:00 • committed by Stefano Brivio
parent 36dfa8b8fb
commit 70121ca1ec
2 changed files with 5 additions and 3 deletions

4
passt.c
View file

@ -59,7 +59,7 @@
char pkt_buf[PKT_BUF_BYTES] __attribute__ ((aligned(PAGE_SIZE)));
char *epoll_type_str[EPOLL_TYPE_MAX + 1] = {
char *epoll_type_str[] = {
[EPOLL_TYPE_TCP] = "connected TCP socket",
[EPOLL_TYPE_TCP_LISTEN] = "listening TCP socket",
[EPOLL_TYPE_TCP_TIMER] = "TCP timer",
@ -71,6 +71,8 @@ char *epoll_type_str[EPOLL_TYPE_MAX + 1] = {
[EPOLL_TYPE_TAP_PASST] = "connected qemu socket",
[EPOLL_TYPE_TAP_LISTEN] = "listening qemu socket",
};
static_assert(ARRAY_SIZE(epoll_type_str) == EPOLL_NUM_TYPES,
"epoll_type_str[] doesn't match enum epoll_type");
/**
* post_handler() - Run periodic and deferred tasks for L4 protocol handlers