Initial synchronization section code.

Author: kohler

synchs1/.gitignore

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+sample[0-9][0-9]
+counting

synchs1/GNUmakefile

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+PROGRAMS = sample01 sample02 sample03 counting
+
+all: $(PROGRAMS)
+
+ALLPROGRAMS = $(PROGRAMS)
+CONFIGMK ?= config.mk
+
+O ?= 3
+PTHREAD ?= 1
+include ../common/rules.mk
+-include $(CONFIGMK)
+
+%.o: %.cc $(BUILDSTAMP)
+	$(CXX) $(CPPFLAGS) $(CXXFLAGS) $(DEPCFLAGS) $(O) -o $@ -c $<
+
+$(PROGRAMS): \
+%: %.o
+	$(CXX) $(CXXFLAGS) $(O) $(LDFLAGS) -o $@ $^ $(LIBS)
+
+
+clean:
+	rm -f $(ALLPROGRAMS) *.o
+	rm -rf $(DEPSDIR) *.dSYM
+
+.PHONY: all always clean

synchs1/counting.cc

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+#include <cstdio>
+#include <cassert>
+#include <thread>
+#include <mutex>
+#include <condition_variable>
+
+/* G1 */
+
+void counter(int n) {
+    /* C1 */
+    printf("%d\n", n + 1);
+    /* C2 */
+}
+
+int main() {
+    /* M1 */
+    std::thread t1(counter, 0);
+    std::thread t2(counter, 1);
+    std::thread t3(counter, 2);
+    /* M2 */
+    t3.join();
+    t2.join();
+    t1.join();
+}

synchs1/sample01.cc

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+#include <cstdio>
+#include <thread>
+
+int main() {
+    for (int i = 0; i != 3; ++i) {
+        std::thread t(printf, "%d\n", i + 1);
+        t.join();
+    }
+}

synchs1/sample02.cc

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+#include <cstdio>
+#include <thread>
+
+int main() {
+    for (int i = 0; i != 3; ++i) {
+        std::thread t(printf, "%d\n", i + 1);
+        t.detach();
+    }
+}

synchs1/sample03.cc

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+#include <cstdio>
+#include <thread>
+
+int main() {
+    for (int i = 0; i != 3; ++i) {
+        std::thread t(printf, "%d\n", i + 1);
+    }
+}