Add tests for the DPCP and the MPCP

Do the basic open/lock/unlock/close test sequence for the MPCP and the
DPCP as well.

1 files changed, 70 insertions, 2 deletions

diff --git a/tests/pcp.c b/tests/pcp.c
index a893da6..88d1be3 100644
--- a/tests/pcp.c
+++ b/tests/pcp.c
@@ -37,18 +37,86 @@ TESTCASE(lock_pcp, P_FP,
         SYSCALL( remove(".pcp_locks") );
 }
 
+TESTCASE(lock_dpcp, P_FP,
+         "DPCP acquisition and release")
+{
+        int fd, od, cpu = 1;
+
+        SYSCALL( fd = open(".pcp_locks", O_RDONLY | O_CREAT) );
+
+        SYSCALL( sporadic_partitioned(10, 100, 0) );
+        SYSCALL( task_mode(LITMUS_RT_TASK) );
+
+        SYSCALL( od = open_dpcp_sem(fd, 0, cpu) );
+
+        SYSCALL( litmus_lock(od) );
+        SYSCALL( litmus_unlock(od) );
+
+        SYSCALL( litmus_lock(od) );
+        SYSCALL( litmus_unlock(od) );
+
+        SYSCALL( litmus_lock(od) );
+        SYSCALL( litmus_unlock(od) );
+
+        /* tasks may not unlock resources they don't own */
+        SYSCALL_FAILS(EINVAL, litmus_unlock(od) );
+
+        SYSCALL( od_close(od) );
+
+        SYSCALL( close(fd) );
+
+        SYSCALL( remove(".pcp_locks") );
+}
+
 TESTCASE(not_lock_pcp_be, P_FP,
-         "don't let best-effort tasks lock PCP semaphores")
+         "don't let best-effort tasks lock (D|M-)PCP semaphores")
 {
         int fd, od;
 
         SYSCALL( fd = open(".pcp_locks", O_RDONLY | O_CREAT) );
 
-        /* BE task are not even allowed to open a PCP semaphore */
+        /* BE tasks are not even allowed to open a PCP semaphore */
         SYSCALL_FAILS(EPERM, od = open_pcp_sem(fd, 0, 1) );
 
+        /* BE tasks are not allowed to open a D-PCP semaphore */
+        SYSCALL_FAILS(EPERM, od = open_dpcp_sem(fd, 0, 1) );
+
+        /* BE tasks are not allowed to open an M-PCP semaphore */
+        SYSCALL_FAILS(EPERM, od = open_mpcp_sem(fd, 0) );
+
         SYSCALL( close(fd) );
 
         SYSCALL( remove(".pcp_locks") );
 
 }
+
+TESTCASE(lock_mpcp, P_FP,
+         "MPCP acquisition and release")
+{
+        int fd, od;
+
+        SYSCALL( fd = open(".pcp_locks", O_RDONLY | O_CREAT) );
+
+        SYSCALL( sporadic_partitioned(10, 100, 0) );
+        SYSCALL( task_mode(LITMUS_RT_TASK) );
+
+        SYSCALL( od = open_mpcp_sem(fd, 0) );
+
+        SYSCALL( litmus_lock(od) );
+        SYSCALL( litmus_unlock(od) );
+
+        SYSCALL( litmus_lock(od) );
+        SYSCALL( litmus_unlock(od) );
+
+        SYSCALL( litmus_lock(od) );
+        SYSCALL( litmus_unlock(od) );
+
+        /* tasks may not unlock resources they don't own */
+        SYSCALL_FAILS(EINVAL, litmus_unlock(od) );
+
+        SYSCALL( od_close(od) );
+
+        SYSCALL( close(fd) );
+
+        SYSCALL( remove(".pcp_locks") );
+}