* be biten later when the calling function happens to sleep when it is not
* supposed to.
*/
+#ifdef CONFIG_PREEMPT_VOLUNTARY
+extern int cond_resched(void);
+# define might_resched() cond_resched()
+#else
+# define might_resched() do { } while (0)
+#endif
+
#ifdef CONFIG_DEBUG_SPINLOCK_SLEEP
-#define might_sleep() __might_sleep(__FILE__, __LINE__)
-#define might_sleep_if(cond) do { if (unlikely(cond)) might_sleep(); } while (0)
-void __might_sleep(char *file, int line);
+ void __might_sleep(char *file, int line);
+# define might_sleep() \
+ do { __might_sleep(__FILE__, __LINE__); might_resched(); } while (0)
#else
-#define might_sleep() do {} while(0)
-#define might_sleep_if(cond) do {} while (0)
+# define might_sleep() do { might_resched(); } while (0)
#endif
+#define might_sleep_if(cond) do { if (unlikely(cond)) might_sleep(); } while (0)
+
#define abs(x) ({ \
int __x = (x); \
(__x < 0) ? -__x : __x; \
extern int kernel_text_address(unsigned long addr);
extern int session_of_pgrp(int pgrp);
+#ifdef CONFIG_PRINTK
asmlinkage int vprintk(const char *fmt, va_list args)
__attribute__ ((format (printf, 1, 0)));
asmlinkage int printk(const char * fmt, ...)
__attribute__ ((format (printf, 1, 2)));
+#else
+static inline int vprintk(const char *s, va_list args)
+ __attribute__ ((format (printf, 1, 0)));
+static inline int vprintk(const char *s, va_list args) { return 0; }
+static inline int printk(const char *s, ...)
+ __attribute__ ((format (printf, 1, 2)));
+static inline int printk(const char *s, ...) { return 0; }
+#endif
unsigned long int_sqrt(unsigned long);
char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
};
-extern void BUILD_BUG(void);
-#define BUILD_BUG_ON(condition) do { if (condition) BUILD_BUG(); } while(0)
+/* Force a compilation error if condition is false */
+#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
#ifdef CONFIG_SYSCTL
extern int randomize_va_space;