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Code Issues Releases Wiki Activity

1250. [bug] When processing events (non-threaded) only allow

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the task one chance to use to use its quantum.
This commit is contained in:
Mark Andrews 2002-07-19 03:39:44 +00:00
parent ff30cdeb78
commit 0d993c02ba
3 changed files with 18 additions and 3 deletions
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3
CHANGES
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@ -1,3 +1,6 @@
1250. [bug] When processing events (non-threaded) only allow
the task one chance to use to use its quantum.
1249. [func] named-checkzone will now check if nameservers that
appear to be IP addresses. Available modes "fail",
"warn" (default) and "ignore" the results of the

3
lib/isc/include/isc/types.h
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@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: types.h,v 1.32 2001/01/09 21:57:42 bwelling Exp $ */
/* $Id: types.h,v 1.33 2002/07/19 03:39:44 marka Exp $ */
#ifndef ISC_TYPES_H
#define ISC_TYPES_H 1
@ -78,6 +78,7 @@ typedef struct isc_socketevent isc_socketevent_t;
typedef struct isc_socketmgr isc_socketmgr_t;
typedef struct isc_symtab isc_symtab_t;
typedef struct isc_task isc_task_t;
typedef ISC_LIST(isc_task_t) isc_tasklist_t;
typedef struct isc_taskmgr isc_taskmgr_t;
typedef struct isc_textregion isc_textregion_t;
typedef struct isc_time isc_time_t;

15
lib/isc/task.c
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@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: task.c,v 1.87 2002/03/29 01:25:04 marka Exp $ */
/* $Id: task.c,v 1.88 2002/07/19 03:39:43 marka Exp $ */
/*
* Principal Author: Bob Halley
@ -111,7 +111,7 @@ struct isc_taskmgr {
/* Locked by task manager lock. */
unsigned int default_quantum;
LIST(isc_task_t) tasks;
LIST(isc_task_t) ready_tasks;
isc_tasklist_t ready_tasks;
#ifdef ISC_PLATFORM_USETHREADS
isc_condition_t work_available;
isc_condition_t exclusive_granted;
@ -726,6 +726,7 @@ dispatch(isc_taskmgr_t *manager) {
isc_task_t *task;
#ifndef ISC_PLATFORM_USETHREADS
unsigned int total_dispatch_count = 0;
isc_tasklist_t ready_tasks;
#endif /* ISC_PLATFORM_USETHREADS */
REQUIRE(VALID_MANAGER(manager));
@ -780,6 +781,9 @@ dispatch(isc_taskmgr_t *manager) {
* unlocks. The while expression is always protected by the lock.
*/
#ifndef ISC_PLATFORM_USETHREADS
ISC_LIST_INIT(ready_tasks);
#endif
LOCK(&manager->lock);
while (!FINISHED(manager)) {
#ifdef ISC_PLATFORM_USETHREADS
@ -965,11 +969,18 @@ dispatch(isc_taskmgr_t *manager) {
* were usually nonempty, the 'optimization'
* might even hurt rather than help.
*/
#ifdef ISC_PLATFORM_USETHREADS
ENQUEUE(manager->ready_tasks, task,
ready_link);
#else
ENQUEUE(ready_tasks, task, ready_link);
#endif
}
}
}
#ifndef ISC_PLATFORM_USETHREADS
ISC_LIST_APPENDLIST(manager->ready_tasks, ready_tasks, ready_link);
#endif
UNLOCK(&manager->lock);
}