diff options
Diffstat (limited to 'libpthread/linuxthreads/internals.h')
| -rw-r--r-- | libpthread/linuxthreads/internals.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/libpthread/linuxthreads/internals.h b/libpthread/linuxthreads/internals.h index ab6b01528..720be8ec0 100644 --- a/libpthread/linuxthreads/internals.h +++ b/libpthread/linuxthreads/internals.h @@ -51,6 +51,25 @@ # define THREAD_SETMEM_NC(descr, member, value) descr->member = (value) #endif +/* Conditional variable attribute data structure. */ +struct pthread_condattr +{ + /* Combination of values: + + Bit 0 : flag whether coditional variable will be shareable between + processes. + + Bit 1-7: clock ID. */ + int value; +}; + +/* The __NWAITERS field is used as a counter and to house the number + of bits for other purposes. COND_CLOCK_BITS is the number + of bits needed to represent the ID of the clock. COND_NWAITERS_SHIFT + is the number of bits reserved for other purposes like the clock. */ +#define COND_CLOCK_BITS 1 +#define COND_NWAITERS_SHIFT 1 + /* Arguments passed to thread creation routine */ struct pthread_start_args { |