diff options
Diffstat (limited to 'nptl/pthreadP.h')
| -rw-r--r-- | nptl/pthreadP.h | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/nptl/pthreadP.h b/nptl/pthreadP.h index dc98bb19c0..503e99b2b4 100644 --- a/nptl/pthreadP.h +++ b/nptl/pthreadP.h @@ -86,17 +86,31 @@ enum = PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_ROBUST_ERRORCHECK_NP, PTHREAD_MUTEX_PI_ROBUST_ADAPTIVE_NP = PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_ROBUST_ADAPTIVE_NP, - PTHREAD_MUTEX_PRIO_PROTECT_NP = 64 + PTHREAD_MUTEX_PRIO_PROTECT_NP = 64, + PTHREAD_MUTEX_PP_NORMAL_NP + = PTHREAD_MUTEX_PRIO_PROTECT_NP | PTHREAD_MUTEX_NORMAL, + PTHREAD_MUTEX_PP_RECURSIVE_NP + = PTHREAD_MUTEX_PRIO_PROTECT_NP | PTHREAD_MUTEX_RECURSIVE_NP, + PTHREAD_MUTEX_PP_ERRORCHECK_NP + = PTHREAD_MUTEX_PRIO_PROTECT_NP | PTHREAD_MUTEX_ERRORCHECK_NP, + PTHREAD_MUTEX_PP_ADAPTIVE_NP + = PTHREAD_MUTEX_PRIO_PROTECT_NP | PTHREAD_MUTEX_ADAPTIVE_NP }; -#define PTHREAD_MUTEX_PRIO_CEILING_SHIFT 16 -#define PTHREAD_MUTEX_PRIO_CEILING_MASK 0x00ff0000 + +/* Ceiling in __data.__lock. __data.__lock is signed, so don't + use the MSB bit in there, but in the mask also include that bit, + so that the compiler can optimize & PTHREAD_MUTEX_PRIO_CEILING_MASK + masking if the value is then shifted down by + PTHREAD_MUTEX_PRIO_CEILING_SHIFT. */ +#define PTHREAD_MUTEX_PRIO_CEILING_SHIFT 19 +#define PTHREAD_MUTEX_PRIO_CEILING_MASK 0xfff80000 /* Flags in mutex attr. */ #define PTHREAD_MUTEXATTR_PROTOCOL_SHIFT 28 #define PTHREAD_MUTEXATTR_PROTOCOL_MASK 0x30000000 -#define PTHREAD_MUTEXATTR_PRIO_CEILING_SHIFT 16 -#define PTHREAD_MUTEXATTR_PRIO_CEILING_MASK 0x00ff0000 +#define PTHREAD_MUTEXATTR_PRIO_CEILING_SHIFT 12 +#define PTHREAD_MUTEXATTR_PRIO_CEILING_MASK 0x00fff000 #define PTHREAD_MUTEXATTR_FLAG_ROBUST 0x40000000 #define PTHREAD_MUTEXATTR_FLAG_PSHARED 0x80000000 #define PTHREAD_MUTEXATTR_FLAG_BITS \ @@ -151,6 +165,14 @@ extern unsigned int __nptl_nthreads attribute_hidden; extern int __set_robust_list_avail attribute_hidden; #endif +/* Thread Priority Protection. */ +extern int __sched_fifo_min_prio attribute_hidden; +extern int __sched_fifo_max_prio attribute_hidden; +extern void __init_sched_fifo_prio (void) attribute_hidden; +extern int __pthread_tpp_change_priority (int prev_prio, int new_prio) + attribute_hidden; +extern int __pthread_current_priority (void) attribute_hidden; + /* The library can run in debugging mode where it performs a lot more tests. */ extern int __pthread_debug attribute_hidden; |