gnustep/libs-base
0
0
Fork 0
mirror of https://github.com/gnustep/libs-base.git synced 2025-05-30 00:11:26 +00:00
Code Issues Projects Releases Packages Wiki Activity

Perform non-concurrent block enumeration in place.

Browse source 
Was previously using serial queue, which doesn't match Apple platforms.
This commit is contained in:
Frederik Seiffert 2019-09-25 11:14:43 +02:00
parent ecedcd6743
commit 561cef3797
7 changed files with 144 additions and 117 deletions
Download patch file Download diff file Expand all files Collapse all files

48
Source/GSDispatch.h
View file

@ -70,13 +70,21 @@
* Release an dispatch object.
*/
#define GS_DISPATCH_RELEASE(x) dispatch_release(x)
/**
* Allows an arbitrary block to be submitted to the queue. Since dispatch blocks
* return nothing and take no arguments, the caller can use the before and after
* arguments to set up and tear down the block as required.
* Allows an arbitrary block to be submitted to the queue (if available) or run
* in place. Since dispatch blocks return nothing and take no arguments, the
* caller can use the before and after arguments to guard calling the block as
* required.
*/
#define GS_DISPATCH_SUBMIT_BLOCK(group, queue, before, after, block, args, ...) \
dispatch_group_async(group, queue, ^(void){before; block(args, ## __VA_ARGS__); after;})
if (queue != NULL) {\
dispatch_group_async(group, queue, ^(void){before block(args, ## __VA_ARGS__); after});\
} else {\
before\
block(args, ## __VA_ARGS__);\
after\
}
/**
* Submits a block without special provisions.
@ -85,32 +93,30 @@
/**
* Convenience macro to create serial or concurrent dispatch queues for the
* various -enumerateUsingBlock: methods.
* Convenience macro to create concurrent dispatch queues for the various
* -enumerateUsingBlock: methods. Non-concurrent will be run in place.
*/
#define GS_DISPATCH_CREATE_QUEUE_AND_GROUP_FOR_ENUMERATION(queue, opts)\
dispatch_queue_t queue;\
dispatch_group_t queue ## Group;\
dispatch_queue_t queue = NULL;\
dispatch_group_t queue ## Group = NULL;\
if (opts & NSEnumerationConcurrent)\
{\
queue = GS_DISPATCH_GET_DEFAULT_CONCURRENT_QUEUE();\
}\
else\
{\
queue = GS_DISPATCH_QUEUE_CREATE(DISPATCH_QUEUE_SERIAL);\
}\
queue ## Group = GS_DISPATCH_GROUP_CREATE();
queue ## Group = GS_DISPATCH_GROUP_CREATE();\
}
/**
* Convenience macro to destroy serial or concurrent dispatch queues for the
* various -enumerateUsingBlock: methods.
* Convenience macro to destroy concurrent dispatch queues for the various
* -enumerateUsingBlock: methods.
*/
#define GS_DISPATCH_TEARDOWN_QUEUE_AND_GROUP_FOR_ENUMERATION(queue, opts)\
GS_DISPATCH_GROUP_FINISH(queue ## Group);\
GS_DISPATCH_RELEASE(enumQueueGroup);\
if (NO == (opts & NSEnumerationConcurrent))\
{\
GS_DISPATCH_RELEASE(enumQueue);\
if (queue != NULL) { \
GS_DISPATCH_GROUP_FINISH(queue ## Group);\
GS_DISPATCH_RELEASE(queue ## Group);\
if (NO == (opts & NSEnumerationConcurrent))\
{\
GS_DISPATCH_RELEASE(queue);\
}\
}