Assert that the lock objects put into the off-page, fit into the page.

Sponsored by:	The FreeBSD Foundation

5 files changed, 15 insertions, 0 deletions

diff --git a/lib/libthr/thread/thr_barrier.c b/lib/libthr/thread/thr_barrier.c
index 45ca41a..ad4477d 100644
--- a/lib/libthr/thread/thr_barrier.c
+++ b/lib/libthr/thread/thr_barrier.c
@@ -34,6 +34,9 @@
 
 #include "thr_private.h"
 
+_Static_assert(sizeof(struct pthread_barrier) <= PAGE_SIZE,
+    "pthread_barrier is too large for off-page");
+
 __weak_reference(_pthread_barrier_init,		pthread_barrier_init);
 __weak_reference(_pthread_barrier_wait,		pthread_barrier_wait);
 __weak_reference(_pthread_barrier_destroy,	pthread_barrier_destroy);
diff --git a/lib/libthr/thread/thr_cond.c b/lib/libthr/thread/thr_cond.c
index 934f9a0..13487bf 100644
--- a/lib/libthr/thread/thr_cond.c
+++ b/lib/libthr/thread/thr_cond.c
@@ -40,6 +40,9 @@
 
 #include "thr_private.h"
 
+_Static_assert(sizeof(struct pthread_cond) <= PAGE_SIZE,
+    "pthread_cond too large");
+
 /*
  * Prototypes
  */
diff --git a/lib/libthr/thread/thr_mutex.c b/lib/libthr/thread/thr_mutex.c
index 865e4cf..f732a63 100644
--- a/lib/libthr/thread/thr_mutex.c
+++ b/lib/libthr/thread/thr_mutex.c
@@ -51,6 +51,9 @@
 
 #include "thr_private.h"
 
+_Static_assert(sizeof(struct pthread_mutex) <= PAGE_SIZE,
+    "pthread_mutex is too large for off-page");
+
 /*
  * For adaptive mutexes, how many times to spin doing trylock2
  * before entering the kernel to block
diff --git a/lib/libthr/thread/thr_pspinlock.c b/lib/libthr/thread/thr_pspinlock.c
index 1c9b412..124e97b 100644
--- a/lib/libthr/thread/thr_pspinlock.c
+++ b/lib/libthr/thread/thr_pspinlock.c
@@ -38,6 +38,9 @@
 
 #include "thr_private.h"
 
+_Static_assert(sizeof(struct pthread_spinlock) <= PAGE_SIZE,
+    "pthread_spinlock is too large for off-page");
+
 #define SPIN_COUNT 100000
 
 __weak_reference(_pthread_spin_init, pthread_spin_init);
diff --git a/lib/libthr/thread/thr_rwlock.c b/lib/libthr/thread/thr_rwlock.c
index aadd0e9..8e9fd73 100644
--- a/lib/libthr/thread/thr_rwlock.c
+++ b/lib/libthr/thread/thr_rwlock.c
@@ -35,6 +35,9 @@
 #include "un-namespace.h"
 #include "thr_private.h"
 
+_Static_assert(sizeof(struct pthread_rwlock) <= PAGE_SIZE,
+    "pthread_rwlock is too large for off-page");
+
 __weak_reference(_pthread_rwlock_destroy, pthread_rwlock_destroy);
 __weak_reference(_pthread_rwlock_init, pthread_rwlock_init);
 __weak_reference(_pthread_rwlock_rdlock, pthread_rwlock_rdlock);