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tap, tcp, util: Add some missing SOCK_CLOEXEC flags

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I have no idea why, but these are reported by clang-tidy (19.2.1) on
Alpine (x86) only:

/home/sbrivio/passt/tap.c:1139:38: error: 'socket' should use SOCK_CLOEXEC where possible [android-cloexec-socket,-warnings-as-errors]
 1139 |         int fd = socket(AF_UNIX, SOCK_STREAM, 0);
      |                                             ^
      |                                              | SOCK_CLOEXEC
/home/sbrivio/passt/tap.c:1158:51: error: 'socket' should use SOCK_CLOEXEC where possible [android-cloexec-socket,-warnings-as-errors]
 1158 |                 ex = socket(AF_UNIX, SOCK_STREAM | SOCK_NONBLOCK, 0);
      |                                                                 ^
      |                                                                  | SOCK_CLOEXEC
/home/sbrivio/passt/tcp.c:1413:44: error: 'socket' should use SOCK_CLOEXEC where possible [android-cloexec-socket,-warnings-as-errors]
 1413 |         s = socket(af, SOCK_STREAM | SOCK_NONBLOCK, IPPROTO_TCP);
      |                                                   ^
      |                                                    | SOCK_CLOEXEC
/home/sbrivio/passt/util.c:188:38: error: 'socket' should use SOCK_CLOEXEC where possible [android-cloexec-socket,-warnings-as-errors]
  188 |         if ((s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) {
      |                                             ^
      |                                              | SOCK_CLOEXEC

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Stefano Brivio 2024-11-07 19:40:37 +01:00
parent 71869e2912
commit 58fa5508bd
3 changed files with 6 additions and 4 deletions

3
util.c
View file

@ -183,7 +183,8 @@ void sock_probe_mem(struct ctx *c)
int v = INT_MAX / 2, s;
socklen_t sl;
if ((s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) {
s = socket(AF_INET, SOCK_STREAM | SOCK_CLOEXEC, IPPROTO_TCP);
if (s < 0) {
c->low_wmem = c->low_rmem = 1;
return;
}