diff options
Diffstat (limited to 'nptl/pthread_mutexattr_getprioceiling.c')
| -rw-r--r-- | nptl/pthread_mutexattr_getprioceiling.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/nptl/pthread_mutexattr_getprioceiling.c b/nptl/pthread_mutexattr_getprioceiling.c index da1beabf46..792e9a43d6 100644 --- a/nptl/pthread_mutexattr_getprioceiling.c +++ b/nptl/pthread_mutexattr_getprioceiling.c @@ -27,11 +27,22 @@ pthread_mutexattr_getprioceiling (attr, prioceiling) int *prioceiling; { const struct pthread_mutexattr *iattr; + int ceiling; iattr = (const struct pthread_mutexattr *) attr; - *prioceiling = ((iattr->mutexkind & PTHREAD_MUTEXATTR_PRIO_CEILING_MASK) - >> PTHREAD_MUTEXATTR_PRIO_CEILING_SHIFT); + ceiling = ((iattr->mutexkind & PTHREAD_MUTEXATTR_PRIO_CEILING_MASK) + >> PTHREAD_MUTEXATTR_PRIO_CEILING_SHIFT); + + if (! ceiling) + { + if (__sched_fifo_min_prio == -1) + __init_sched_fifo_prio (); + if (ceiling < __sched_fifo_min_prio) + ceiling = __sched_fifo_min_prio; + } + + *prioceiling = ceiling; return 0; } |