bb0c928c8f742748411ec50a2e155880b2d57e49
kent
  Thu Sep 12 14:09:25 2013 -0700
Adding parallelFetchInterruptable, which has a callback that checks for interrupt.
diff --git src/inc/paraFetch.h src/inc/paraFetch.h
index d34a460..2253a93 100644
--- src/inc/paraFetch.h
+++ src/inc/paraFetch.h
@@ -1,23 +1,30 @@
 /* paraFetch - fetch things from remote URLs in parallel. */
 
 #ifndef PARAFETCH_H
 #define PARAFETCH_H
 
 boolean parallelFetch(char *url, char *outPath, int numConnections, int numRetries, boolean newer, boolean progress);
 /* Open multiple parallel connections to URL to speed downloading */
 
+boolean parallelFetchInterruptable(char *url, char *outPath, int numConnections, int numRetries, 
+    boolean newer, boolean progress,
+    boolean (*interrupt)(void *context),  void *context);
+/* Open multiple parallel connections to URL to speed downloading.  If interrupt function 
+ * is non-NULL,  then it gets called passing the context parameter,  and if it returns
+ * TRUE the fetch is interrupted. */
+
 struct parallelConn
 /* struct to information on a parallel connection */
     {
     struct parallelConn *next;  /* next connection */
     int sd;                     /* socket descriptor */
     off_t rangeStart;           /* where does the range start */
     off_t partSize;             /* range size */
     off_t received;             /* bytes received */
     };
 
 boolean paraFetchReadStatus(char *origPath, 
     struct parallelConn **pPcList, char **pUrl, off_t *pFileSize, 
     char **pDateString, off_t *pTotalDownloaded);
 /* Read a status file - which is just origPath plus .paraFetchStatus.  This is updated during 
  * transit by parallelFetch. Returns FALSE if status file not there - possibly because