Changeset eceff5f in mainline

Timestamp:

2013-03-12T20:47:40Z (11 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

0e1edf1, 2b95d13

Parents:

623bab8f

Message:

Use 0 instead of -1 for the default fibril stack size and define
FIBRIL_DFLT_STK_SIZE to represent this special value.

Location:

uspace/lib/c

Files:

• generic/async.c (modified) (2 diffs)
• generic/fibril.c (modified) (2 diffs)
• include/fibril.h (modified) (1 diff)

uspace/lib/c/generic/async.c

@@ -350 +350 @@
 static async_client_conn_t client_connection = default_client_connection;
 static async_interrupt_handler_t interrupt_received = default_interrupt_received;
-static size_t interrupt_handler_stksz = (size_t) -1;
+static size_t interrupt_handler_stksz = FIBRIL_DFLT_STK_SIZE;
 
 /** Setter for client_connection function pointer.
@@ -375 +375 @@
 /** Set the stack size for the interrupt handler notification fibrils.
  *
- * @param size Stack size. Use -1 to use the system default stack size.
+ * @param size Stack size in bytes.
  */
 void async_set_interrupt_handler_stack_size(size_t size)

uspace/lib/c/generic/fibril.c

@@ -256 +256 @@
  * @param func Implementing function of the new fibril.
  * @param arg Argument to pass to func.
- * @param stksz Stack size, -1 for the system default stack size.
+ * @param stksz Stack size in bytes.
  *
  * @return 0 on failure or TLS of the new fibril.
@@ -269 +269 @@
                 return 0;
         
-        size_t stack_size = (stksz == (size_t) -1) ? stack_size_get() : stksz;
+        size_t stack_size = (stksz == FIBRIL_DFLT_STK_SIZE) ?
+            stack_size_get() : stksz;
         fibril->stack = as_area_create((void *) -1, stack_size,
             AS_AREA_READ | AS_AREA_WRITE | AS_AREA_CACHEABLE | AS_AREA_GUARD |

uspace/lib/c/include/fibril.h

@@ -86 +86 @@
 extern void context_restore(context_t *ctx) __attribute__((noreturn));
 
+#define FIBRIL_DFLT_STK_SIZE    0
+
 #define fibril_create(func, arg) \
-        fibril_create_generic((func), (arg), (size_t) -1)
+        fibril_create_generic((func), (arg), FIBRIL_DFLT_STK_SIZE)
 extern fid_t fibril_create_generic(int (*func)(void *), void *arg, size_t);
 extern void fibril_destroy(fid_t fid);