diff options
Diffstat (limited to 'core/lock.c')
| -rw-r--r-- | core/lock.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/core/lock.c b/core/lock.c index 20935b55..efe90b7e 100644 --- a/core/lock.c +++ b/core/lock.c @@ -95,9 +95,19 @@ retry: #define PTHREAD_MUTEX_ROBUST PTHREAD_MUTEX_ROBUST_NP #endif if (uwsgi_pthread_robust_mutexes_enabled) { - if (pthread_mutexattr_setprotocol(&attr, PTHREAD_PRIO_INHERIT)) { - uwsgi_log("unable to set PTHREAD_PRIO_INHERIT\n"); - exit(1); + int ret; + if ((ret = pthread_mutexattr_setprotocol(&attr, PTHREAD_PRIO_INHERIT)) != 0) { + switch (ret) { + case ENOTSUP: + // PTHREAD_PRIO_INHERIT will only prevent + // priority inversion when SCHED_FIFO or + // SCHED_RR is used, so this is non-fatal and + // also currently unsupported on musl. + break; + default: + uwsgi_log("unable to set PTHREAD_PRIO_INHERIT\n"); + exit(1); + } } if (pthread_mutexattr_setrobust(&attr, PTHREAD_MUTEX_ROBUST)) { uwsgi_log("unable to make the mutex 'robust'\n"); |