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readwrite_data: set a max number of loops

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... as otherwise a really fast pipe can "lock" one transfer for some
protocols, like with HTTP/2.
This commit is contained in:
Daniel Stenberg 2015-09-27 20:48:35 +02:00
parent 4f037367ed
commit 790d6de485
1 changed files with 2 additions and 1 deletions
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3
lib/transfer.c
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@ -399,6 +399,7 @@ static CURLcode readwrite_data(struct SessionHandle *data,
size_t excess = 0; /* excess bytes read */ size_t excess = 0; /* excess bytes read */
bool is_empty_data = FALSE; bool is_empty_data = FALSE;
bool readmore = FALSE; /* used by RTP to signal for more data */ bool readmore = FALSE; /* used by RTP to signal for more data */
int maxloops = 100;
*done = FALSE; *done = FALSE;
@ -794,7 +795,7 @@ static CURLcode readwrite_data(struct SessionHandle *data,
k->keepon &= ~KEEP_RECV; k->keepon &= ~KEEP_RECV;
} }
} while(data_pending(conn)); } while(data_pending(conn) && maxloops--);
if(((k->keepon & (KEEP_RECV|KEEP_SEND)) == KEEP_SEND) && if(((k->keepon & (KEEP_RECV|KEEP_SEND)) == KEEP_SEND) &&
conn->bits.close ) { conn->bits.close ) {