Add missing pkgconfig files to Makefile.am

[urcu.git] / compat_arch_x86.c

diff --git a/compat_arch_x86.c b/compat_arch_x86.c
index 41c6848fae195cfbc6e24837a4445d3ddbd02f88..692417ee5067607293ef3c9129f34f8a8b7bb739 100644 (file)
--- a/compat_arch_x86.c
+++ b/compat_arch_x86.c
@@ -3,7 +3,7 @@
  *
  * Userspace RCU library - x86 compatibility checks
  *
- * Copyright (c) 2009 Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
+ * Copyright (c) 2009 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -201,6 +201,56 @@ unsigned long _compat_uatomic_cmpxchg(void *addr, unsigned long old,
        return retval;
 }
 
+void _compat_uatomic_or(void *addr, unsigned long v, int len)
+{
+       sigset_t mask;
+
+       mutex_lock_signal_save(&compat_mutex, &mask);
+       switch (len) {
+       case 1:
+               *(unsigned char *)addr |= (unsigned char)v;
+               break;
+       case 2:
+               *(unsigned short *)addr |= (unsigned short)v;
+               break;
+       case 4:
+               *(unsigned int *)addr |= (unsigned int)v;
+               break;
+       default:
+               /*
+                * generate an illegal instruction. Cannot catch this with
+                * linker tricks when optimizations are disabled.
+                */
+               __asm__ __volatile__("ud2");
+       }
+       mutex_lock_signal_restore(&compat_mutex, &mask);
+}
+
+void _compat_uatomic_and(void *addr, unsigned long v, int len)
+{
+       sigset_t mask;
+
+       mutex_lock_signal_save(&compat_mutex, &mask);
+       switch (len) {
+       case 1:
+               *(unsigned char *)addr &= (unsigned char)v;
+               break;
+       case 2:
+               *(unsigned short *)addr &= (unsigned short)v;
+               break;
+       case 4:
+               *(unsigned int *)addr &= (unsigned int)v;
+               break;
+       default:
+               /*
+                * generate an illegal instruction. Cannot catch this with
+                * linker tricks when optimizations are disabled.
+                */
+               __asm__ __volatile__("ud2");
+       }
+       mutex_lock_signal_restore(&compat_mutex, &mask);
+}
+
 unsigned long _compat_uatomic_add_return(void *addr, unsigned long v, int len)
 {
        sigset_t mask;