Changeset 74359c6 in mainline for uspace/libc/arch/sparc64/src/thread.c

Timestamp:

2006-12-30T13:36:13Z (18 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

33c0c649

Parents:

66eb2c8

Message:

Improve comments and fix formatting in (sparc64) TLS implementation.
Improve some comments and formatting in sparc64 uspace thread library
code.

Update required msim version.

File:

• uspace/libc/arch/sparc64/src/thread.c (modified) (2 diffs)

uspace/libc/arch/sparc64/src/thread.c

@@ -38 +38 @@
 #include <malloc.h>
 
-/** Allocate TLS & TCB for initial module threads
+/*
+ * sparc64 uses thread-local storage data structures, variant II, as described
+ * in:
+ *      Drepper U.: ELF Handling For Thread-Local Storage, 2005
+ */
+
+/** Allocate TLS variant II data structures for a thread.
  *
- * @param data Start of data section
- * @return pointer to tcb_t structure
+ * Only static model is supported.
+ *
+ * @param data Pointer to pointer to thread local data. This is actually an
+ *      output argument.
+ * @param size Size of thread local data.
+ * @return Pointer to TCB structure.
  */
 tcb_t * __alloc_tls(void **data, size_t size)
@@ -55 +65 @@
 }
 
+/** Free TLS variant II data structures of a thread.
+ *
+ * Only static model is supported.
+ *
+ * @param tcb Pointer to TCB structure.
+ * @param size Size of thread local data.
+ */
 void __free_tls_arch(tcb_t *tcb, size_t size)
 {
-        void *start = ((void *)tcb) - size;
+        void *start = ((void *) tcb) - size;
         free(start);
 }