dispatch_source_create fail with deployment target > 5.1
dispatch_source_create fail with deployment target > 5.1
- Subject: dispatch_source_create fail with deployment target > 5.1
- From: Jeff Evans <email@hidden>
- Date: Wed, 21 May 2014 10:01:26 -0700
[Got a message that this did not deliver successfully, so I'll try again:]
I'm preparing an app using xCode 5.02, base sdk ios 7.0 and I intend to have a deployment target of 6.0.
The deployment target was inadvertently set to 5.1 a long while ago, and I notice that if I now change that to 6.0 I get a crash in dispatch_source_create. Doesn't matter if I run it on a 6.0 or 7.0 iPad; crashes right there every time. Everything about the object seems valid, but the debugger breaks with EXC_BREAKPOINT (code = EXC_ARM_BREAKPOINT, subcode = 0xdefe).
On stackoverflow I saw a question from someone last year asking why dispatch_source_create seemed to fail whenever he tried setting his deployment target up to 6.0 from 5. The question wasn't answered, but that makes me think there is some kind of known problem involved. Has anyone run into this? I expect things to become unavailable when moving a deployment target downward, but less so when moving upward.
Thanks, Jeff
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