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dispatch_get_current_queue
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Gerriet M. Denkmann
macOS 13.6
For debugging purposes I want to test that certain methods do run in the correct queue. So: dispatch_queue_t queue = dispatch_get_current_queue(); const char *label = dispatch_queue_get_label(queue); NSString *qLabel = [NSString stringWithUTF8String: label]; if ( ![ qLabel isEqualToString: supposedLabel ] ) … // error But Xcode tells me that dispatch_get_current_queue is deprecated. What to do instead? Gerriet. |
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James Walker
On Sep 6, 2018, at 3:30 AM, Gerriet M. Denkmann <g@...> wrote:Comments in the header dispatch/queue.h suggest using dispatch_assert_queue instead. |
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Gerriet M. Denkmann
On 6 Sep 2018, at 22:24, James Walker <list2@...> wrote:Thanks a lot. Exactly what I was looking for.On Sep 6, 2018, at 3:30 AM, Gerriet M. Denkmann <g@...> wrote:Comments in the header dispatch/queue.h suggest using dispatch_assert_queue instead. (Also: The variant dispatch_assert_queue_debug() is compiled out when the preprocessor macro NDEBUG is defined.) Kind regards, Gerriet. |
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bartramf@...
Take a look at `dispatchPrecondition` to test whether code is executing on a specific queue in a pattern like:
func foo() {
dispatchPrecondition(condition: .onQueue(mySpecialQueue))
...
}
-- Hope it helps. Frederick "Rick" Bartram bartramf@... PGP key id: 0x4193BED2 key server: http://pgp.mit.edu |
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That may be Swift-only … it doesn't show up in the 10.14 SDK headers. (Gerriet is using Obj-C, as indicated by his code snippet.) —Jens |
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bartramf@...
Yes, I noticed just after I sent it but it might be helpful to someone else. I apologize to the group for the hasty post.
-- Frederick "Rick" Bartram bartramf@... PGP key id: 0x4193BED2 key server: http://pgp.mit.edu |
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