diff options
Diffstat (limited to 'lib/libthr/thread/thr_mutex_protocol.c')
| -rw-r--r-- | lib/libthr/thread/thr_mutex_protocol.c | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/lib/libthr/thread/thr_mutex_protocol.c b/lib/libthr/thread/thr_mutex_protocol.c index 56c8622..526cbe0 100644 --- a/lib/libthr/thread/thr_mutex_protocol.c +++ b/lib/libthr/thread/thr_mutex_protocol.c @@ -31,6 +31,7 @@ * * $FreeBSD$ */ + #include <string.h> #include <stdlib.h> #include <errno.h> @@ -43,19 +44,28 @@ __weak_reference(_pthread_mutexattr_setprotocol, pthread_mutexattr_setprotocol); int _pthread_mutexattr_getprotocol(pthread_mutexattr_t *mattr, int *protocol) { - if (*mattr == NULL) - return (EINVAL); - *protocol = (*mattr)->m_protocol; - return(0); + int ret = 0; + + if ((mattr == NULL) || (*mattr == NULL)) + ret = EINVAL; + else + *protocol = (*mattr)->m_protocol; + + return(ret); } int _pthread_mutexattr_setprotocol(pthread_mutexattr_t *mattr, int protocol) { - if (*mattr == NULL || protocol < PTHREAD_PRIO_NONE || - protocol > PTHREAD_PRIO_PROTECT) - return (EINVAL); - (*mattr)->m_protocol = protocol; - (*mattr)->m_ceiling = PTHREAD_MAX_PRIORITY; - return(0); + int ret = 0; + + if ((mattr == NULL) || (*mattr == NULL) || + (protocol < PTHREAD_PRIO_NONE) || (protocol > PTHREAD_PRIO_PROTECT)) + ret = EINVAL; + else { + (*mattr)->m_protocol = protocol; + (*mattr)->m_ceiling = THR_MAX_PRIORITY; + } + return(ret); } + |
