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darwin: make TCP_KEEPINTVL and TCP_KEEPCNT available (#3908)

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In earlier versions, macOS only defined TCP_KEEPALIVE, but since macOS
10.8 (Mountain Lion), it has supported TCP_KEEPINTVL and TCP_KEEPCNT.

https://lists.apple.com/archives/macnetworkprog/2012/Jul/msg00005.html
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小明 2023-08-15 03:33:12 +08:00 committed by GitHub
parent 1b4bd9209e
commit 65541f772f
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1 changed files with 27 additions and 16 deletions
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43
src/unix/tcp.c
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@ -424,28 +424,39 @@ int uv__tcp_nodelay(int fd, int on) {
int uv__tcp_keepalive(int fd, int on, unsigned int delay) {
int intvl;
int cnt;
(void) &intvl;
(void) &cnt;
if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &on, sizeof(on)))
return UV__ERR(errno);
if (!on)
return 0;
#ifdef TCP_KEEPIDLE
if (on) {
int intvl = 1; /* 1 second; same as default on Win32 */
int cnt = 10; /* 10 retries; same as hardcoded on Win32 */
if (setsockopt(fd, IPPROTO_TCP, TCP_KEEPIDLE, &delay, sizeof(delay)))
return UV__ERR(errno);
if (setsockopt(fd, IPPROTO_TCP, TCP_KEEPINTVL, &intvl, sizeof(intvl)))
return UV__ERR(errno);
if (setsockopt(fd, IPPROTO_TCP, TCP_KEEPCNT, &cnt, sizeof(cnt)))
return UV__ERR(errno);
}
if (setsockopt(fd, IPPROTO_TCP, TCP_KEEPIDLE, &delay, sizeof(delay)))
return UV__ERR(errno);
/* Solaris/SmartOS, if you don't support keep-alive,
* then don't advertise it in your system headers...
*/
/* FIXME(bnoordhuis) That's possibly because sizeof(delay) should be 1. */
#elif defined(TCP_KEEPALIVE) && !defined(__sun)
if (setsockopt(fd, IPPROTO_TCP, TCP_KEEPALIVE, &delay, sizeof(delay)))
return UV__ERR(errno);
#endif
/* Solaris/SmartOS, if you don't support keep-alive,
* then don't advertise it in your system headers...
*/
/* FIXME(bnoordhuis) That's possibly because sizeof(delay) should be 1. */
#if defined(TCP_KEEPALIVE) && !defined(__sun)
if (on && setsockopt(fd, IPPROTO_TCP, TCP_KEEPALIVE, &delay, sizeof(delay)))
#ifdef TCP_KEEPINTVL
intvl = 1; /* 1 second; same as default on Win32 */
if (setsockopt(fd, IPPROTO_TCP, TCP_KEEPINTVL, &intvl, sizeof(intvl)))
return UV__ERR(errno);
#endif
#ifdef TCP_KEEPCNT
cnt = 10; /* 10 retries; same as hardcoded on Win32 */
if (setsockopt(fd, IPPROTO_TCP, TCP_KEEPCNT, &cnt, sizeof(cnt)))
return UV__ERR(errno);
#endif