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Avoid doing getsockopt() on Windows to verify connects. It seems that this

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hogs Windows machines when libcurl is being used multi-threaded (with > ~50
threads). Andrew Fuller helped us verify and test this.

According to a MSDN web page on connect(), it returns 0 when the connect
is done and thus we don't need the getsockopt() call anyway on Windows.
This commit is contained in:
Daniel Stenberg 2003-10-15 11:42:57 +00:00
parent 171229e122
commit a9af971c59
1 changed files with 18 additions and 14 deletions
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32
lib/connect.c
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@ -353,18 +353,27 @@ static CURLcode bindlocal(struct connectdata *conn,
return CURLE_HTTP_PORT_FAILED;
}
static
int socketerror(int sockfd)
/*
* verifyconnect() returns TRUE if the connect really has happened.
*/
static bool verifyconnect(int sockfd)
{
#if defined(SO_ERROR) && !defined(WIN32)
int err = 0;
socklen_t errSize = sizeof(err);
#ifdef SO_ERROR
if( -1 == getsockopt(sockfd, SOL_SOCKET, SO_ERROR,
(void *)&err, &errSize))
err = Curl_ourerrno();
if ((0 == err) || (EISCONN == err))
/* we are connected, awesome! */
return TRUE;
/* This wasn't a successful connect */
return FALSE;
#else
return TRUE;
#endif
return err;
}
/*
@ -415,14 +424,13 @@ CURLcode Curl_is_connected(struct connectdata *conn,
rc = waitconnect(sockfd, 0);
if(0 == rc) {
int err = socketerror(sockfd);
if ((0 == err) || (EISCONN == err)) {
if (verifyconnect(sockfd)) {
/* we are connected, awesome! */
*connected = TRUE;
return CURLE_OK;
}
/* nope, not connected for real */
failf(data, "Connection failed, socket error: %d", err);
failf(data, "Connection failed");
return CURLE_COULDNT_CONNECT;
}
else if(1 != rc) {
@ -568,10 +576,7 @@ CURLcode Curl_connecthost(struct connectdata *conn, /* context */
if(0 == rc) {
/* we might be connected, if the socket says it is OK! Ask it! */
int err;
err = socketerror(sockfd);
if ((0 == err) || (EISCONN == err)) {
if(verifyconnect(sockfd)) {
/* we are connected, awesome! */
*connected = TRUE; /* this is truly a connect */
break;
@ -695,8 +700,7 @@ CURLcode Curl_connecthost(struct connectdata *conn, /* context */
}
if(0 == rc) {
int err = socketerror(sockfd);
if ((0 == err) || (EISCONN == err)) {
if (verifyconnect(sockfd)) {
/* we are connected, awesome! */
*connected = TRUE; /* this is a true connect */
break;