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errno.c: add tls versions of errno and h_errno

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
Austin Foxley 14 years ago
parent
commit
1586f84bac
2 changed files with 15 additions and 1 deletions
  1. 12 1
      libc/misc/internals/errno.c
  2. 3 0
      libc/misc/internals/internal_errno.h

+ 12 - 1
libc/misc/internals/errno.c

@@ -1,5 +1,15 @@
-#include "internal_errno.h"
+#include <features.h>
+
+#ifdef __UCLIBC_HAS_TLS__
+__thread int errno;
+__thread int h_errno;
+
+extern __thread int __libc_errno __attribute__ ((alias ("errno")));
+extern __thread int __libc_h_errno __attribute__ ((alias ("h_errno")));
+#define h_errno __libc_h_errno
 
+#else
+#include "internal_errno.h"
 int errno = 0;
 int h_errno = 0;
 
@@ -9,3 +19,4 @@ weak_alias(errno, _errno)
 libc_hidden_def(h_errno)
 weak_alias(h_errno, _h_errno)
 #endif
+#endif

+ 3 - 0
libc/misc/internals/internal_errno.h

@@ -6,6 +6,8 @@
 #include <errno.h>
 #include <netdb.h>
 
+#ifndef __UCLIBC_HAS_TLS__
+
 #undef errno
 #undef h_errno
 
@@ -16,3 +18,4 @@ extern int errno;
 libc_hidden_proto(h_errno)
 libc_hidden_proto(errno)
 #endif
+#endif