forked from OSchip/llvm-project
Add a quick test case for some of the queues debugging support.
It should only run on Darwin systems, and only when a couple of libraries are available. llvm-svn: 203754
This commit is contained in:
Jason Molenda
parent
60b1a6d9e4
commit
7f8b9111a5
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CC ?= clang
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ifeq "$(ARCH)" ""
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ARCH = x86_64
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endif
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ifeq "$(OS)" ""
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OS = $(shell uname -s)
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endif
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CFLAGS ?= -g -O0
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CWD := $(shell pwd)
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LIB_PREFIX := lib
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ifeq "$(OS)" "Darwin"
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CFLAGS += -arch $(ARCH)
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endif
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all: a.out
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a.out: main.o
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$(CC) $(CFLAGS) -o a.out main.o
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main.o: main.c
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$(CC) $(CFLAGS) -c main.c
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clean:
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rm -rf *.o *~ *.dylib *.so a.out *.dSYM
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"""Test queues inspection SB APIs."""
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import os, time
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import unittest2
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import lldb
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import lldbutil
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from lldbtest import *
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class TestQueues(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
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@python_api_test
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@dsym_test
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def test_with_dsym_and_python_api(self):
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"""Test queues inspection SB APIs."""
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self.buildDsym()
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self.queues()
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@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
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@python_api_test
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@dwarf_test
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def test_with_dwarf_and_python_api(self):
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"""Test queues inspection SB APIs."""
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self.buildDwarf()
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self.queues()
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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# Find the line numbers that we will step to in main:
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self.main_source = "main.c"
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def queues(self):
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"""Test queues inspection SB APIs."""
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exe = os.path.join(os.getcwd(), "a.out")
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if not os.path.isfile('/Applications/Xcode.app/Contents/Developer/usr/lib/libBacktraceRecording.dylib'):
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self.skipTest ("Skipped because libBacktraceRecording.dylib was present on the system.")
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self.buildDefault()
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if not os.path.isfile('/usr/lib/system/introspection/libdispatch.dylib'):
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self.skipTest ("Skipped because introspection libdispatch dylib is not present.")
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self.buildDefault()
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target = self.dbg.CreateTarget(exe)
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self.assertTrue(target, VALID_TARGET)
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self.main_source_spec = lldb.SBFileSpec (self.main_source)
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break1 = target.BreakpointCreateByName ("stopper", 'a.out')
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self.assertTrue(break1, VALID_BREAKPOINT)
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# Now launch the process, and do not stop at entry point.
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process = target.LaunchSimple (None, ['DYLD_INSERT_LIBRARIES=/Applications/Xcode.app/Contents/Developer/usr/lib/libBacktraceRecording.dylib', 'DYLD_LIBRARY_PATH=/usr/lib/system/introspection'], self.get_process_working_directory())
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self.assertTrue(process, PROCESS_IS_VALID)
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# The stop reason of the thread should be breakpoint.
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threads = lldbutil.get_threads_stopped_at_breakpoint (process, break1)
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if len(threads) != 1:
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self.fail ("Failed to stop at breakpoint 1.")
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libbtr_module_filespec = lldb.SBFileSpec()
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libbtr_module_filespec.SetFilename ("libBacktraceRecording.dylib")
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libbtr_module = target.FindModule (libbtr_module_filespec)
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if not libbtr_module.IsValid():
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self.skipTest ("Skipped because libBacktraceRecording.dylib was not loaded into the process.")
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self.buildDefault()
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self.assertTrue(process.GetNumQueues() == 4, "Found the correct number of queues.")
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q0 = process.GetQueueAtIndex(0)
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q1 = process.GetQueueAtIndex(1)
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q2 = process.GetQueueAtIndex(2)
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q3 = process.GetQueueAtIndex(3)
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self.assertTrue(q0.IsValid(), "queue 0 is valid")
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self.assertTrue(q1.IsValid(), "queue 1 is valid")
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self.assertTrue(q2.IsValid(), "queue 2 is valid")
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self.assertTrue(q3.IsValid(), "queue 3 is valid")
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self.assertTrue(q0.GetName() == "com.apple.work_submittor_1", "Get name of first queue")
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self.assertTrue(q1.GetName() == "com.apple.work_performer_1", "Get name of second queue")
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self.assertTrue(q2.GetName() == "com.apple.work_performer_2", "Get name of third queue")
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self.assertTrue(q3.GetName() == "com.apple.work_performer_3", "Get name of fourth queue")
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self.assertTrue(q0.GetQueueID() != 0, "Check queue 0 for valid QueueID")
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self.assertTrue(q1.GetQueueID() != 0, "Check queue 1 for valid QueueID")
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self.assertTrue(q2.GetQueueID() != 0, "Check queue 2 for valid QueueID")
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self.assertTrue(q3.GetQueueID() != 0, "Check queue 3 for valid QueueID")
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self.assertTrue(q0.GetNumPendingItems() == 0, "queue 0 should have no pending items")
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self.assertTrue(q0.GetNumRunningItems() == 1, "queue 0 should have one running item")
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self.assertTrue(q1.GetNumPendingItems() == 3, "queue 1 should have 3 pending items")
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self.assertTrue(q1.GetNumRunningItems() == 1, "queue 1 should have 1 running item")
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self.assertTrue(q2.GetNumPendingItems() == 9999, "queue 2 should have 9999 pending items")
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self.assertTrue(q2.GetNumRunningItems() == 1, "queue 2 should have 1 running item")
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self.assertTrue(q3.GetNumPendingItems() == 0, "queue 3 should have 0 pending items")
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self.assertTrue(q3.GetNumRunningItems() == 4, "queue 3 should have 4 running item")
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self.assertTrue(q3.GetNumThreads() == 4, "queue 3 should have 4 threads executing")
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self.assertTrue(q1.GetThreadAtIndex(0).GetQueueID() == q1.GetQueueID(), "queue 1's thread should be owned by the same QueueID")
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self.assertTrue(q1.GetThreadAtIndex(0).GetQueueName() == q1.GetName(), "queue 1's thread should have the same queue name")
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self.assertTrue(q3.GetThreadAtIndex(0).GetQueueID() == q3.GetQueueID(), "queue 3's threads should be owned by the same QueueID")
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self.assertTrue(q3.GetThreadAtIndex(0).GetQueueName() == q3.GetName(), "queue 3's threads should have thes ame queue name")
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self.assertTrue(q2.GetPendingItemAtIndex(0).IsValid(), "queue 2's pending item #0 is valid")
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self.assertTrue(q2.GetPendingItemAtIndex(0).GetAddress().GetSymbol().GetName() == "doing_the_work_2", "queue 2's pending item #0 should be doing_the_work_2")
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self.assertTrue(q2.GetNumPendingItems() == 9999, "verify that queue 2 still has 9999 pending items")
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self.assertTrue(q2.GetPendingItemAtIndex(9998).IsValid(), "queue 2's pending item #9998 is valid")
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self.assertTrue(q2.GetPendingItemAtIndex(9998).GetAddress().GetSymbol().GetName() == "doing_the_work_2", "queue 2's pending item #0 should be doing_the_work_2")
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self.assertTrue(q2.GetPendingItemAtIndex(9999).IsValid() == False, "queue 2's pending item #9999 is invalid")
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if __name__ == '__main__':
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import atexit
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lldb.SBDebugger.Initialize()
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atexit.register(lambda: lldb.SBDebugger.Terminate())
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unittest2.main()
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@ -0,0 +1,98 @@
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#include <stdio.h>
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#include <unistd.h>
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#include <dispatch/dispatch.h>
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#include <pthread.h>
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void
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doing_the_work_1(void *in)
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{
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while (1)
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sleep (1);
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}
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void
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submit_work_1a(void *in)
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{
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dispatch_queue_t *work_performer_1 = (dispatch_queue_t*) in;
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dispatch_async_f (*work_performer_1, NULL, doing_the_work_1);
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dispatch_async_f (*work_performer_1, NULL, doing_the_work_1);
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}
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void
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submit_work_1b(void *in)
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{
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dispatch_queue_t *work_performer_1 = (dispatch_queue_t*) in;
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dispatch_async_f (*work_performer_1, NULL, doing_the_work_1);
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dispatch_async_f (*work_performer_1, NULL, doing_the_work_1);
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while (1)
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sleep (1);
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}
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void
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doing_the_work_2(void *in)
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{
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while (1)
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sleep (1);
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}
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void
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submit_work_2(void *in)
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{
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dispatch_queue_t *work_performer_2 = (dispatch_queue_t*) in;
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int i = 0;
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while (i++ < 5000)
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{
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dispatch_async_f (*work_performer_2, NULL, doing_the_work_2);
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dispatch_async_f (*work_performer_2, NULL, doing_the_work_2);
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}
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}
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void
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doing_the_work_3(void *in)
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{
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while (1)
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sleep(1);
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}
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void
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submit_work_3(void *in)
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{
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dispatch_queue_t *work_performer_3 = (dispatch_queue_t*) in;
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dispatch_async_f (*work_performer_3, NULL, doing_the_work_3);
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dispatch_async_f (*work_performer_3, NULL, doing_the_work_3);
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dispatch_async_f (*work_performer_3, NULL, doing_the_work_3);
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dispatch_async_f (*work_performer_3, NULL, doing_the_work_3);
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}
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void
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stopper ()
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{
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while (1)
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sleep (1);
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}
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int main ()
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{
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dispatch_queue_t work_submittor_1 = dispatch_queue_create ("com.apple.work_submittor_1", DISPATCH_QUEUE_SERIAL);
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dispatch_queue_t work_submittor_2 = dispatch_queue_create ("com.apple.work_submittor_and_quit_2", DISPATCH_QUEUE_SERIAL);
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dispatch_queue_t work_submittor_3 = dispatch_queue_create ("com.apple.work_submittor_3", DISPATCH_QUEUE_SERIAL);
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dispatch_queue_t work_performer_1 = dispatch_queue_create ("com.apple.work_performer_1", DISPATCH_QUEUE_SERIAL);
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dispatch_queue_t work_performer_2 = dispatch_queue_create ("com.apple.work_performer_2", DISPATCH_QUEUE_SERIAL);
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dispatch_queue_t work_performer_3 = dispatch_queue_create ("com.apple.work_performer_3", DISPATCH_QUEUE_CONCURRENT);
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dispatch_async_f (work_submittor_1, (void*) &work_performer_1, submit_work_1a);
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dispatch_async_f (work_submittor_1, (void*) &work_performer_1, submit_work_1b);
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dispatch_async_f (work_submittor_2, (void*) &work_performer_2, submit_work_2);
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dispatch_async_f (work_submittor_3, (void*) &work_performer_3, submit_work_3);
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sleep (1);
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stopper ();
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}
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