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-rw-r--r--tests/test-progs/pthread/Makefile.riscv32
-rw-r--r--tests/test-progs/pthread/Makefile.x8634
-rw-r--r--tests/test-progs/pthread/src/test_atomic.cpp117
-rw-r--r--tests/test-progs/pthread/src/test_pthread_cond.cpp111
-rw-r--r--tests/test-progs/pthread/src/test_pthread_create_para.cpp118
-rw-r--r--tests/test-progs/pthread/src/test_pthread_create_seq.cpp116
-rw-r--r--tests/test-progs/pthread/src/test_pthread_mutex.cpp133
-rw-r--r--tests/test-progs/pthread/src/test_std_condition_variable.cpp98
-rw-r--r--tests/test-progs/pthread/src/test_std_mutex.cpp92
-rw-r--r--tests/test-progs/pthread/src/test_std_thread.cpp91
10 files changed, 942 insertions, 0 deletions
diff --git a/tests/test-progs/pthread/Makefile.riscv b/tests/test-progs/pthread/Makefile.riscv
new file mode 100644
index 000000000..0122187a0
--- /dev/null
+++ b/tests/test-progs/pthread/Makefile.riscv
@@ -0,0 +1,32 @@
+CPP := riscv64-unknown-linux-gnu-g++
+OBJDUMP := riscv64-unknown-linux-gnu-objdump
+CPPFLAGS := -g -O3 -static -std=c++11 -march=rv64gc
+LFLAGS := -pthread -Wl,--whole-archive -lpthread -latomic -Wl,--no-whole-archive
+
+SRC_DIR := ./src
+BIN_DIR := ./bin
+
+TEST_SRC := test_pthread_create_seq.cpp \
+ test_pthread_create_para.cpp \
+ test_pthread_mutex.cpp \
+ test_atomic.cpp \
+ test_pthread_cond.cpp \
+ test_std_thread.cpp \
+ test_std_mutex.cpp \
+ test_std_condition_variable.cpp \
+
+TEST_BIN := $(patsubst %.cpp,%,$(TEST_SRC))
+TEST_DUMP := $(patsubst %.cpp,%.objdump,$(TEST_SRC))
+
+# Rules
+
+.PHONY: default clean
+
+default: $(TEST_BIN)
+
+$(TEST_BIN):
+ mkdir -p $(BIN_DIR)
+ $(CPP) $(CPPFLAGS) $(SRC_DIR)/$@.cpp $(LFLAGS) -o $(BIN_DIR)/$@
+
+clean:
+ $(RM) -r $(BIN_DIR)/*
diff --git a/tests/test-progs/pthread/Makefile.x86 b/tests/test-progs/pthread/Makefile.x86
new file mode 100644
index 000000000..7ad89f07f
--- /dev/null
+++ b/tests/test-progs/pthread/Makefile.x86
@@ -0,0 +1,34 @@
+# x86 - native
+
+CPP := g++
+OBJDUMP := objdump
+CPPFLAGS := -g -O3 -static -std=c++11
+LFLAGS := -pthread -Wl,--whole-archive -lpthread -Wl,--no-whole-archive
+
+SRC_DIR := ./src
+BIN_DIR := ./bin
+
+TEST_SRC := test_pthread_create_seq.cpp \
+ test_pthread_create_para.cpp \
+ test_pthread_mutex.cpp \
+ test_atomic.cpp \
+ test_pthread_cond.cpp \
+ test_std_thread.cpp \
+ test_std_mutex.cpp \
+ test_std_condition_variable.cpp \
+
+TEST_BIN := $(patsubst %.cpp,%,$(TEST_SRC))
+TEST_DUMP := $(patsubst %.cpp,%.objdump,$(TEST_SRC))
+
+# Rules
+
+.PHONY: default clean
+
+default: $(TEST_BIN)
+
+$(TEST_BIN):
+ mkdir -p $(BIN_DIR)
+ $(CPP) $(CPPFLAGS) $(SRC_DIR)/$@.cpp $(LFLAGS) -o $(BIN_DIR)/$@
+
+clean:
+ $(RM) -r $(BIN_DIR)/*
diff --git a/tests/test-progs/pthread/src/test_atomic.cpp b/tests/test-progs/pthread/src/test_atomic.cpp
new file mode 100644
index 000000000..edcb046ca
--- /dev/null
+++ b/tests/test-progs/pthread/src/test_atomic.cpp
@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2018, Cornell University
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of Cornell University nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Tuan Ta
+ */
+
+#include <pthread.h>
+
+#include <atomic>
+#include <cstdlib>
+#include <iostream>
+
+//------------------------------------------------------------------------
+// Create n threads, run them in parallel and wait for them in the master
+// thread.
+// Each child thread increments a shared variable m times atomically
+//------------------------------------------------------------------------
+
+#define MAX_N_WORKER_THREADS 10
+
+typedef struct
+{
+ int nsteps;
+ std::atomic<int>* shared_var;
+} ThreadArg;
+
+void* func( void* args )
+{
+ ThreadArg* my_args = ( ThreadArg* ) args;
+
+ int nsteps = my_args->nsteps;
+ std::atomic<int>* shared_var = my_args->shared_var;
+
+ for ( int i = 0; i < nsteps; ++i ) {
+ std::atomic_fetch_add(shared_var, 1);
+ }
+
+ return nullptr;
+}
+
+int main( int argc, const char* argv[] )
+{
+ int n_worker_threads = 0;
+
+ // allocate all threads
+ pthread_t* threads = new pthread_t[MAX_N_WORKER_THREADS];
+
+ // variable shared among all threads
+ std::atomic<int> shared_var(0);
+
+ // number of steps each thread increments the shared_var
+ int nsteps = 1000;
+
+ // set up threads' arguments
+ ThreadArg* t_args = new ThreadArg[MAX_N_WORKER_THREADS];
+
+ int ret = 0;
+ for ( size_t tid = 0; tid < MAX_N_WORKER_THREADS; tid++ ){
+ t_args[tid].nsteps = nsteps;
+ t_args[tid].shared_var = &shared_var;
+
+ // spawn thread
+ ret = pthread_create( threads + tid, nullptr, func, &t_args[tid] );
+
+ if (ret != 0) {
+ break;
+ }
+
+ n_worker_threads++;
+ }
+
+ // sync up all threads
+ for ( int tid = 0; tid < n_worker_threads; ++tid ) {
+ pthread_join( threads[tid], nullptr );
+ }
+
+ // clean up
+ delete[] threads;
+ delete[] t_args;
+
+ // verify
+ if ( shared_var != n_worker_threads * nsteps || n_worker_threads < 1)
+ return EXIT_FAILURE;
+
+ return EXIT_SUCCESS;
+}
diff --git a/tests/test-progs/pthread/src/test_pthread_cond.cpp b/tests/test-progs/pthread/src/test_pthread_cond.cpp
new file mode 100644
index 000000000..5552f7853
--- /dev/null
+++ b/tests/test-progs/pthread/src/test_pthread_cond.cpp
@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2018, Cornell University
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of Cornell University nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Author: Moyang Wang
+ */
+
+#include <pthread.h>
+
+#include <cstdlib>
+#include <iostream>
+#include <mutex>
+#include <vector>
+
+//------------------------------------------------------------------------
+// Test pthread_cond
+//------------------------------------------------------------------------
+// The master thread creates N threads, each of which waits on a
+// condition variable of a signal to start. The master thread then set
+// the signal and notifies all other threads to begin.
+
+#define MAX_N_WORKER_THREADS 10
+
+pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
+pthread_cond_t cv = PTHREAD_COND_INITIALIZER;
+
+bool ready = false;
+
+void* print_id( void* arg_vptr )
+{
+ pthread_mutex_lock( &mutex );
+ long id = (long)arg_vptr;
+
+ while (!ready) {
+ pthread_cond_wait( &cv, &mutex );
+ }
+ // ...
+ std::cout << "thread " << id << '\n';
+
+ pthread_mutex_unlock( &mutex );
+
+ return nullptr;
+}
+
+void go()
+{
+ pthread_mutex_lock( &mutex );
+ ready = true;
+ pthread_cond_broadcast( &cv );
+ pthread_mutex_unlock( &mutex );
+}
+
+int main( int argc, char* argv[] )
+{
+ size_t n_worker_threads = 0;
+
+ std::vector< pthread_t > threads( MAX_N_WORKER_THREADS );
+
+ int ret = 0;
+ for ( size_t i = 0; i < MAX_N_WORKER_THREADS; i++ ){
+ ret = pthread_create( &threads[i], nullptr, print_id, (void*)i );
+ if (ret != 0) {
+ break;
+ }
+ n_worker_threads++;
+ }
+
+ std::cout << n_worker_threads << " threads ready to race...\n";
+
+ go();
+
+ for ( size_t i = 1; i < n_worker_threads; i++ ) {
+ pthread_join( threads[i], nullptr );
+ }
+
+ if (n_worker_threads < 1) {
+ return EXIT_FAILURE;
+ }
+
+ return EXIT_SUCCESS;
+}
diff --git a/tests/test-progs/pthread/src/test_pthread_create_para.cpp b/tests/test-progs/pthread/src/test_pthread_create_para.cpp
new file mode 100644
index 000000000..2ef11b216
--- /dev/null
+++ b/tests/test-progs/pthread/src/test_pthread_create_para.cpp
@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 2018, Cornell University
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of Cornell University nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Tuan Ta
+ */
+
+#include <pthread.h>
+
+#include <cstdlib>
+#include <iostream>
+
+//------------------------------------------------------------------------
+// Create n threads, run them in parallel and wait for them in the master
+// thread.
+// Each child thread writes its thread id to an output array
+//------------------------------------------------------------------------
+
+#define MAX_N_WORKER_THREADS 10
+
+typedef struct
+{
+ int tid;
+ int* output;
+} ThreadArg;
+
+void* func( void* args )
+{
+ ThreadArg* my_args = ( ThreadArg* ) args;
+
+ // write tid to this thread's output
+ (*my_args->output) = my_args->tid;
+
+ return nullptr;
+}
+
+int main( int argc, const char* argv[] )
+{
+ int n_worker_threads = 0;
+
+ // allocate all threads
+ pthread_t* threads = new pthread_t[MAX_N_WORKER_THREADS];
+ ThreadArg* t_args = new ThreadArg[MAX_N_WORKER_THREADS];
+
+ // create an output array for all threads
+ int* outputs = new int[MAX_N_WORKER_THREADS];
+ int ret;
+
+ // try to spawn as many worker threads as possible
+ for ( int tid = 0; tid < MAX_N_WORKER_THREADS; ++tid ) {
+
+ // set up thread args
+ t_args[tid].tid = tid;
+ t_args[tid].output = outputs + tid;
+
+ // spawn thread
+ ret = pthread_create( threads + tid, nullptr, func, &t_args[tid] );
+ if (ret != 0) {
+ break;
+ }
+
+ n_worker_threads++;
+ }
+
+ // sync up all threads
+ for ( int tid = 0; tid < n_worker_threads; ++tid ) {
+ pthread_join( threads[tid], nullptr );
+ }
+
+ // verify
+ bool passed = true;
+ for ( int i = 0; i < n_worker_threads; ++i ) {
+ if ( outputs[i] != i ) {
+ passed = false;
+ }
+ }
+
+ // clean up
+ delete[] threads;
+ delete[] t_args;
+ delete[] outputs;
+
+ // failed if outputs are not correct or no worker thread was spawned
+ if (!passed || n_worker_threads < 1)
+ return EXIT_FAILURE;
+
+ return EXIT_SUCCESS;
+}
diff --git a/tests/test-progs/pthread/src/test_pthread_create_seq.cpp b/tests/test-progs/pthread/src/test_pthread_create_seq.cpp
new file mode 100644
index 000000000..fdffd7957
--- /dev/null
+++ b/tests/test-progs/pthread/src/test_pthread_create_seq.cpp
@@ -0,0 +1,116 @@
+/*
+ * Copyright (c) 2018, Cornell University
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of Cornell University nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Tuan Ta
+ */
+
+#include <pthread.h>
+
+#include <cstdlib>
+#include <iostream>
+
+//------------------------------------------------------------------------
+// Create n threads and run them one after another
+// Each child thread writes its thread id to an output array
+//------------------------------------------------------------------------
+
+#define MAX_N_WORKER_THREADS 10
+
+typedef struct
+{
+ int tid;
+ int* output;
+} ThreadArg;
+
+void* func( void* args )
+{
+ ThreadArg* my_args = ( ThreadArg* ) args;
+
+ // write tid to this thread's output
+ (*my_args->output) = my_args->tid;
+
+ return nullptr;
+}
+
+int main( int argc, const char* argv[] )
+{
+ int n_worker_threads = 0;
+
+ // allocate all threads
+ pthread_t* threads = new pthread_t[MAX_N_WORKER_THREADS];
+ ThreadArg* t_args = new ThreadArg[MAX_N_WORKER_THREADS];
+
+ // create an output array for all threads
+ int* outputs = new int[MAX_N_WORKER_THREADS];
+ int ret;
+
+ // try to spawn as many worker threads as possible
+ for ( int tid = 0; tid < MAX_N_WORKER_THREADS; ++tid ) {
+
+ // set up thread args
+ t_args[tid].tid = tid;
+ t_args[tid].output = outputs + tid;
+
+ // spawn thread
+ ret = pthread_create( threads + tid, nullptr, func, &t_args[tid] );
+ if (ret != 0 ) {
+ break;
+ }
+
+ n_worker_threads++;
+
+ // wait for the thread to join before moving on
+ pthread_join( threads[tid], nullptr );
+ }
+
+ // verify
+ bool passed = true;
+ for ( int i = 0; i < n_worker_threads; ++i ) {
+ if ( outputs[i] != i ) {
+ passed = false;
+ break;
+ }
+ }
+
+ // clean up
+ delete[] threads;
+ delete[] t_args;
+ delete[] outputs;
+
+ // failed if outputs are not correct or no worker thread was spawned
+ if (!passed || n_worker_threads < 1)
+ return EXIT_FAILURE;
+
+ return EXIT_SUCCESS;
+}
diff --git a/tests/test-progs/pthread/src/test_pthread_mutex.cpp b/tests/test-progs/pthread/src/test_pthread_mutex.cpp
new file mode 100644
index 000000000..9528a3607
--- /dev/null
+++ b/tests/test-progs/pthread/src/test_pthread_mutex.cpp
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2018, Cornell University
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of Cornell University nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Tuan Ta
+ */
+
+#include <pthread.h>
+
+#include <cstdlib>
+#include <iostream>
+
+//------------------------------------------------------------------------
+// Create n threads, run them in parallel and wait for them in the master
+// thread.
+// Each child thread increments a shared variable m times
+//------------------------------------------------------------------------
+
+#define MAX_N_WORKER_THREADS 10
+
+typedef struct
+{
+ int nsteps;
+ int* shared_var;
+ pthread_mutex_t* lock;
+} ThreadArg;
+
+void* func( void* args )
+{
+ ThreadArg* my_args = ( ThreadArg* ) args;
+
+ int nsteps = my_args->nsteps;
+ int* shared_var = my_args->shared_var;
+ pthread_mutex_t* lock = my_args->lock;
+
+ for ( int i = 0; i < nsteps; ++i ) {
+ // acquire the lock
+ pthread_mutex_lock(lock);
+
+ // increment the shared_var
+ (*shared_var)++;
+
+ // release the lock
+ pthread_mutex_unlock(lock);
+ }
+
+ return nullptr;
+}
+
+int main( int argc, const char* argv[] )
+{
+ int n_worker_threads = 0;
+
+ // allocate all threads
+ pthread_t* threads = new pthread_t[MAX_N_WORKER_THREADS];
+ ThreadArg* t_args = new ThreadArg[MAX_N_WORKER_THREADS];
+
+ // variable shared among all threads
+ int shared_var = 0;
+
+ // number of steps each thread increments the shared_var
+ int nsteps = 10000;
+
+ // create a shared lock
+ pthread_mutex_t lock;
+ pthread_mutex_init(&lock, NULL);
+
+ int ret;
+
+ // try to spawn as many worker threads as possible
+ for ( int tid = 0; tid < MAX_N_WORKER_THREADS; ++tid ) {
+ t_args[tid].nsteps = nsteps;
+ t_args[tid].shared_var = &shared_var;
+ t_args[tid].lock = &lock;
+
+ // spawn thread
+ ret = pthread_create( threads + tid, nullptr, func, &t_args[tid] );
+
+ if (ret != 0)
+ break;
+
+ n_worker_threads++;
+ }
+
+ // sync up all threads
+ for ( int tid = 0; tid < n_worker_threads; ++tid ) {
+ pthread_join( threads[tid], nullptr );
+ }
+
+ // verify
+ bool passed = true;
+ if ( shared_var != n_worker_threads * nsteps )
+ passed = false;
+
+ // clean up
+ delete[] threads;
+ delete[] t_args;
+
+ if (!passed || n_worker_threads < 1)
+ return EXIT_FAILURE;
+
+ return EXIT_SUCCESS;
+}
diff --git a/tests/test-progs/pthread/src/test_std_condition_variable.cpp b/tests/test-progs/pthread/src/test_std_condition_variable.cpp
new file mode 100644
index 000000000..012c509eb
--- /dev/null
+++ b/tests/test-progs/pthread/src/test_std_condition_variable.cpp
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2018, Cornell University
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of Cornell University nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Moyang Wang
+ */
+
+#include <condition_variable>
+#include <iostream>
+#include <mutex>
+#include <thread>
+#include <vector>
+
+//------------------------------------------------------------------------
+// Test std::condition_variable
+//------------------------------------------------------------------------
+// The master thread creates N threads, each of which waits on a
+// condition variable of a signal to start. The master thread then set
+// the signal and notifies all other threads to begin.
+
+#define MAX_N_WORKER_THREADS 10
+
+std::mutex mtx;
+std::condition_variable cv;
+bool ready = false;
+
+void print_id( size_t id )
+{
+ std::unique_lock<std::mutex> lck(mtx);
+ while (!ready)
+ cv.wait(lck);
+ // ...
+ std::cout << "thread " << id << '\n';
+}
+
+void go()
+{
+ std::unique_lock<std::mutex> lck(mtx);
+ ready = true;
+ cv.notify_all();
+}
+
+int main( int argc, char* argv[] )
+{
+ size_t n_worker_threads = 0;
+
+ std::vector< std::thread > threads;
+
+ for ( size_t i = 0; i < MAX_N_WORKER_THREADS; i++ ) {
+ try {
+ threads.push_back( std::thread( print_id, i ) );
+ } catch ( const std::system_error& err ) {
+ break;
+ }
+ n_worker_threads++;
+ }
+
+ std::cout << n_worker_threads << " threads ready to race...\n";
+ go(); // go!
+
+ for (int i = 0; i < n_worker_threads; ++i) {
+ threads[i].join();
+ }
+
+ // if there is no timeout (i.e., threads are all waken up properly, this
+ // test always succeeds)
+ return EXIT_SUCCESS;
+}
diff --git a/tests/test-progs/pthread/src/test_std_mutex.cpp b/tests/test-progs/pthread/src/test_std_mutex.cpp
new file mode 100644
index 000000000..f97147702
--- /dev/null
+++ b/tests/test-progs/pthread/src/test_std_mutex.cpp
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2018, Cornell University
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of Cornell University nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Tuan Ta, Moyang Wang
+ */
+
+#include <cstdlib>
+#include <iostream>
+#include <mutex>
+#include <thread>
+#include <vector>
+
+//------------------------------------------------------------------------
+// Create n threads, run them in parallel and wait for them in the master
+// thread.
+// Each child thread increments a shared variable m times
+//------------------------------------------------------------------------
+
+#define MAX_N_WORKER_THREADS 10
+
+int main( int argc, const char* argv[] )
+{
+ int n_worker_threads = 0;
+
+ // allocate all threads
+ std::vector< std::thread > threads;
+
+ // mutex to protect the shared variable
+ std::mutex my_mutex;
+
+ // variable shared among all threads
+ int shared_var = 0;
+
+ // number of steps each thread increments the shared_var
+ int nsteps = 1000;
+
+ for ( int tid = 0; tid < MAX_N_WORKER_THREADS; ++tid ) {
+ try {
+ threads.push_back( std::thread( [&] {
+ std::lock_guard<std::mutex> guard(my_mutex);
+ for ( int i = 0; i < nsteps; ++i )
+ shared_var++;
+ } ) );
+ } catch ( const std::system_error& err ) {
+ break;
+ }
+ n_worker_threads++;
+ }
+
+ // sync up all threads
+ for (int i = 0; i < n_worker_threads; ++i) {
+ threads[i].join();
+ }
+
+ // verify
+ if ( shared_var != n_worker_threads * nsteps || n_worker_threads < 1) {
+ return EXIT_FAILURE;
+ }
+
+ return EXIT_SUCCESS;
+}
diff --git a/tests/test-progs/pthread/src/test_std_thread.cpp b/tests/test-progs/pthread/src/test_std_thread.cpp
new file mode 100644
index 000000000..2351a36a0
--- /dev/null
+++ b/tests/test-progs/pthread/src/test_std_thread.cpp
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2018, Cornell University
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of Cornell University nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Moyang Wang
+ */
+
+#include <cstdlib>
+#include <iostream>
+#include <string>
+#include <thread>
+#include <vector>
+
+//------------------------------------------------------------------------
+// Test std::thread
+//------------------------------------------------------------------------
+// Create n threads, run them in parallel and wait for them in the master
+// thread.
+// Each child thread writes its thread id to an output array
+
+#define MAX_N_WORKER_THREADS 10
+
+int main( int argc, char* argv[] )
+{
+ int n_worker_threads = 0;
+
+ std::vector< std::thread > threads;
+ std::vector<int> outputs( MAX_N_WORKER_THREADS, 0 );
+
+ for ( int tid = 0; tid < MAX_N_WORKER_THREADS; ++tid ) {
+ try {
+ threads.push_back( std::thread( [&] (size_t thread_id ) {
+ std::cout << "Hello from thread " << thread_id
+ << std::endl;
+ outputs[thread_id] = thread_id;
+ }, tid ) );
+ } catch ( const std::system_error& err ) {
+ break;
+ }
+ n_worker_threads++;
+ }
+
+ std::cout << "Hello from master thread" << std::endl;
+
+ // sync up all threads
+ for (int i = 0; i < n_worker_threads; ++i) {
+ threads[i].join();
+ }
+
+ if (n_worker_threads < 1) {
+ return EXIT_FAILURE;
+ }
+
+ for ( int i = 0; i < n_worker_threads; ++i ) {
+ if ( outputs[i] != i ) {
+ return EXIT_FAILURE;
+ }
+ }
+
+ return EXIT_SUCCESS;
+}