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sd-netlink: handle EINTR from poll() gracefully, as success

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This commit is contained in:
Lennart Poettering
2022-11-22 13:08:41 +01:00
parent 6976bf5cd6
commit 6985878533
1 changed files with 6 additions and 1 deletions
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src/libsystemd/sd-netlink/sd-netlink.c
+6 -1
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@@ -464,13 +464,18 @@ static int netlink_poll(sd_netlink *nl, bool need_more, usec_t timeout_usec) {
}
int sd_netlink_wait(sd_netlink *nl, uint64_t timeout_usec) {
int r;
assert_return(nl, -EINVAL);
assert_return(!netlink_pid_changed(nl), -ECHILD);
if (nl->rqueue_size > 0)
return 0;
return netlink_poll(nl, false, timeout_usec);
r = netlink_poll(nl, false, timeout_usec);
if (r < 0 && ERRNO_IS_TRANSIENT(r)) /* Convert EINTR to "something happened" and give user a chance to run some code before calling back into us */
return 1;
return r;
}
static int timeout_compare(const void *a, const void *b) {