nptl/nptl_lock_constants.pysym

   1 #include <pthreadP.h>
   2
   3 -- Mutex types
   4 PTHREAD_MUTEX_KIND_MASK          PTHREAD_MUTEX_KIND_MASK_NP
   5 PTHREAD_MUTEX_NORMAL
   6 PTHREAD_MUTEX_RECURSIVE          PTHREAD_MUTEX_RECURSIVE_NP
   7 PTHREAD_MUTEX_ERRORCHECK         PTHREAD_MUTEX_ERRORCHECK_NP
   8 PTHREAD_MUTEX_ADAPTIVE_NP
   9
  10 -- Mutex status
  11 -- These are hardcoded all over the code; there are no enums/macros for them.
  12 PTHREAD_MUTEX_DESTROYED         -1
  13 PTHREAD_MUTEX_UNLOCKED           0
  14 PTHREAD_MUTEX_LOCKED_NO_WAITERS  1
  15
  16 -- For robust mutexes
  17 PTHREAD_MUTEX_INCONSISTENT
  18 PTHREAD_MUTEX_NOTRECOVERABLE
  19 FUTEX_OWNER_DIED
  20
  21 -- For robust and PI mutexes
  22 FUTEX_WAITERS
  23 FUTEX_TID_MASK
  24
  25 -- Mutex attributes
  26 PTHREAD_MUTEX_ROBUST_NORMAL_NP
  27 PTHREAD_MUTEX_PRIO_INHERIT_NP
  28 PTHREAD_MUTEX_PRIO_PROTECT_NP
  29 PTHREAD_MUTEX_PSHARED_BIT
  30 PTHREAD_MUTEX_PRIO_CEILING_SHIFT
  31 PTHREAD_MUTEX_PRIO_CEILING_MASK
  32
  33 -- Mutex attribute flags
  34 PTHREAD_MUTEXATTR_PROTOCOL_SHIFT
  35 PTHREAD_MUTEXATTR_PROTOCOL_MASK
  36 PTHREAD_MUTEXATTR_PRIO_CEILING_MASK
  37 PTHREAD_MUTEXATTR_FLAG_ROBUST
  38 PTHREAD_MUTEXATTR_FLAG_PSHARED
  39 PTHREAD_MUTEXATTR_FLAG_BITS
  40 PTHREAD_MUTEX_NO_ELISION_NP
  41
  42 -- Priority protocols
  43 PTHREAD_PRIO_NONE
  44 PTHREAD_PRIO_INHERIT
  45 PTHREAD_PRIO_PROTECT
  46
  47 -- These values are hardcoded as well:
  48 -- Value of __mutex for shared condvars.
  49 PTHREAD_COND_SHARED             (void *)~0l
  50
  51 -- Value of __total_seq for destroyed condvars.
  52 PTHREAD_COND_DESTROYED          -1ull
  53
  54 -- __nwaiters encodes the number of threads waiting on a condvar
  55 -- and the clock ID.
  56 -- __nwaiters >> COND_NWAITERS_SHIFT gives us the number of waiters.
  57 COND_NWAITERS_SHIFT
  58
  59 -- Condvar clock IDs
  60 CLOCK_REALTIME
  61 CLOCK_MONOTONIC
  62 CLOCK_PROCESS_CPUTIME_ID
  63 CLOCK_THREAD_CPUTIME_ID
  64 CLOCK_MONOTONIC_RAW
  65 CLOCK_REALTIME_COARSE
  66 CLOCK_MONOTONIC_COARSE
  67
  68 -- Rwlock attributes
  69 PTHREAD_RWLOCK_PREFER_READER_NP
  70 PTHREAD_RWLOCK_PREFER_WRITER_NP
  71 PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP
  72
  73 -- 'Shared' attribute values
  74 PTHREAD_PROCESS_PRIVATE
  75 PTHREAD_PROCESS_SHARED