Changeset fde2982c in mainline

Timestamp:

2011-04-21T14:14:47Z (14 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

d161715

Parents:

a7dbd49

Message:

use thread/fibril-safe errno

Location:

uspace/lib/c

Files:

• generic/errno.c (modified) (1 diff)
• include/errno.h (modified) (1 diff)

uspace/lib/c/generic/errno.c

@@ -36 +36 @@
 #include <fibril.h>
 
-int _errno;
+static fibril_local int fibril_errno;
+
+int *__errno(void)
+{
+        return &fibril_errno;
+}
 
 /** @}

uspace/lib/c/include/errno.h

@@ -39 +39 @@
 #include <fibril.h>
 
-#define errno _errno
+#define errno  (*(__errno()))
 
-extern int _errno;
+extern int *__errno(void) __attribute__((const));
 
 #define EMFILE        (-18)