Libc-391.tar.gz

[apple/libc.git] / i386 / sys / SYS.h

diff --git a/i386/sys/SYS.h b/i386/sys/SYS.h
index 998e2cf0caeb7b40731bffee63b93ceca9894458..1212eb0a49c5f92492a90bb3428e5b4ade893787 100644 (file)
--- a/i386/sys/SYS.h
+++ b/i386/sys/SYS.h
@@ -3,8 +3,6 @@
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
- * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
@@ -47,6 +45,19 @@
 #define MACHDEP_SYSCALL_TRAP   lcall   $0x7, $0
 
 
+/*
+ * This is the same as UNIX_SYSCALL, but it can call an alternate error
+ * return function.  It's generic to support potential future callers.
+ */
+#define UNIX_SYSCALL_ERR(name, nargs,error_ret)                \
+       .globl  error_ret                               ;\
+LEAF(_##name, 0)                                       ;\
+       movl    $ SYS_##name, %eax                      ;\
+       UNIX_SYSCALL_TRAP                               ;\
+       jnb     2f                                      ;\
+       BRANCH_EXTERN(error_ret)                        ;\
+2:
+
 #define UNIX_SYSCALL(name, nargs)                      \
        .globl  cerror                                  ;\
 LEAF(_##name, 0)                                       ;\
@@ -90,3 +101,9 @@ LEAF(_##pseudo, 0)                                   ;\
 #define SYS_shmget      265
 #endif
 
+#if !defined(SYS___pthread_canceled)
+#define SYS___pthread_markcancel       332
+#define SYS___pthread_canceled         333
+#define SYS___semwait_signal           334
+#endif
+