Add minimal spin lock support.extra-stubs

2 files changed, 40 insertions, 4 deletions

diff --git a/list.txt b/list.txt
index 9e48297..05527dc 100644
--- a/list.txt
+++ b/list.txt
@@ -93,9 +93,9 @@ alias("zero",	[[pthread_setschedparam]])
 alias("zero",	[[pthread_setschedprio]])
 alias("na",	[[pthread_setspecific]])
 alias("na",	[[pthread_sigmask]])
-alias("na",	[[pthread_spin_destroy]])
-alias("na",	[[pthread_spin_init]])
-alias("na",	[[pthread_spin_lock]])
+alias("zero",	[[pthread_spin_destroy]])
+alias("zero",	[[pthread_spin_init]])
+alias("zero",	[[pthread_spin_lock]])
 alias("na",	[[pthread_spin_trylock]])
-alias("na",	[[pthread_spin_unlock]])
+alias("zero",	[[pthread_spin_unlock]])
 alias("na",	[[pthread_testcancel]])
diff --git a/stubs.c b/stubs.c
index b7d2e88..75f00e8 100644
--- a/stubs.c
+++ b/stubs.c
@@ -444,6 +444,42 @@ int pthread_setschedprio() __attribute__ ((weak, alias ("__pthread_zero_stub")))
 # endif
 #endif
 
+#ifndef HAVE_PTHREAD_SPIN_DESTROY
+#define NEED_ZERO_STUB
+# ifdef SUPPORT_ATTRIBUTE_ALIAS
+int pthread_spin_destroy() __attribute__ ((weak, alias ("__pthread_zero_stub")));
+# else
+#  pragma weak pthread_spin_destroy = __pthread_zero_stub
+# endif
+#endif
+
+#ifndef HAVE_PTHREAD_SPIN_INIT
+#define NEED_ZERO_STUB
+# ifdef SUPPORT_ATTRIBUTE_ALIAS
+int pthread_spin_init() __attribute__ ((weak, alias ("__pthread_zero_stub")));
+# else
+#  pragma weak pthread_spin_init = __pthread_zero_stub
+# endif
+#endif
+
+#ifndef HAVE_PTHREAD_SPIN_LOCK
+#define NEED_ZERO_STUB
+# ifdef SUPPORT_ATTRIBUTE_ALIAS
+int pthread_spin_lock() __attribute__ ((weak, alias ("__pthread_zero_stub")));
+# else
+#  pragma weak pthread_spin_lock = __pthread_zero_stub
+# endif
+#endif
+
+#ifndef HAVE_PTHREAD_SPIN_UNLOCK
+#define NEED_ZERO_STUB
+# ifdef SUPPORT_ATTRIBUTE_ALIAS
+int pthread_spin_unlock() __attribute__ ((weak, alias ("__pthread_zero_stub")));
+# else
+#  pragma weak pthread_spin_unlock = __pthread_zero_stub
+# endif
+#endif
+
 #ifdef NEED_ZERO_STUB
 static int __pthread_zero_stub()
 {