xrootd
XrdFfsQueue.hh
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1 /******************************************************************************/
2 /* XrdFfsQueue.hh functions to run independent tasks in queue */
3 /* */
4 /* (c) 2010 by the Board of Trustees of the Leland Stanford, Jr., University */
5 /* All Rights Reserved */
6 /* Author: Wei Yang (SLAC National Accelerator Laboratory, 2009) */
7 /* Contract DE-AC02-76-SFO0515 with the Department of Energy */
8 /******************************************************************************/
9 
10 #ifdef __cplusplus
11  extern "C" {
12 #endif
13 
14 #include <stdlib.h>
15 #include <pthread.h>
16 
17 struct XrdFfsQueueTasks {
18  pthread_mutex_t mutex;
19  pthread_cond_t cond;
20  short done;
21  void* (*func)(void*);
22  void **args;
23 
24  unsigned int id;
25  struct XrdFfsQueueTasks *next;
26  struct XrdFfsQueueTasks *prev;
27 };
28 
29 struct XrdFfsQueueTasks* XrdFfsQueue_create_task(void* (*func)(void*), void **args, short initstat);
30 void XrdFfsQueue_free_task(struct XrdFfsQueueTasks *task);
31 void XrdFfsQueue_wait_task(struct XrdFfsQueueTasks *task);
32 unsigned int XrdFfsQueue_count_tasks();
33 
34 int XrdFfsQueue_create_workers(int n);
35 int XrdFfsQueue_remove_workers(int n);
36 int XrdFfsQueue_count_workers();
37 
38 #ifdef __cplusplus
39  }
40 #endif
41 
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