diff options
Diffstat (limited to 'mDNSResponder/mDNSPosix/mDNSPosix.c')
| -rwxr-xr-x | mDNSResponder/mDNSPosix/mDNSPosix.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/mDNSResponder/mDNSPosix/mDNSPosix.c b/mDNSResponder/mDNSPosix/mDNSPosix.c index 83b82471..d8058f6e 100755 --- a/mDNSResponder/mDNSPosix/mDNSPosix.c +++ b/mDNSResponder/mDNSPosix/mDNSPosix.c @@ -40,6 +40,10 @@ #include <netinet/in.h> #include <arpa/inet.h> #include <time.h> // platform support for UTC time +#ifdef __rtems__ +#include <sys/param.h> +#include <rtems/libio_.h> +#endif /* __rtems__ */ #if USES_NETLINK #include <asm/types.h> @@ -75,7 +79,12 @@ struct IfChangeRec typedef struct IfChangeRec IfChangeRec; // Note that static data is initialized to zero in (modern) C. +#ifndef __rtems__ static fd_set gEventFDs; +#else /* __rtems__ */ +static fd_set *gAllocatedEventFDs; +#define gEventFDs (*gAllocatedEventFDs) +#endif /* __rtems__ */ static int gMaxFD; // largest fd in gEventFDs static GenLinkedList gEventSources; // linked list of PosixEventSource's static sigset_t gEventSignalSet; // Signals which event loop listens for @@ -1156,14 +1165,23 @@ mDNSlocal mDNSu32 ProcessRoutingNotification(int sd) mDNSlocal void InterfaceChangeCallback(int fd, short filter, void *context) { IfChangeRec *pChgRec = (IfChangeRec*) context; +#ifndef __rtems__ fd_set readFDs; +#else /* __rtems__ */ + fd_set bigEnoughReadFDs[howmany(rtems_libio_number_iops, sizeof(fd_set) * 8)]; +#define readFDs (*(&bigEnoughReadFDs[0])) +#endif /* __rtems__ */ mDNSu32 changedInterfaces = 0; struct timeval zeroTimeout = { 0, 0 }; (void)fd; // Unused (void)filter; // Unused +#ifndef __rtems__ FD_ZERO(&readFDs); +#else /* __rtems__ */ + memset(bigEnoughReadFDs, 0, sizeof(bigEnoughReadFDs)); +#endif /* __rtems__ */ FD_SET(pChgRec->NotifySD, &readFDs); do @@ -1241,6 +1259,10 @@ mDNSexport mStatus mDNSPlatformInit(mDNS *const m) mDNS_SetFQDN(m); #ifdef __rtems__ + if (err == mStatus_NoError) { + gAllocatedEventFDs = calloc(1, howmany(rtems_libio_number_iops, sizeof(fd_set) * 8)); + if (gAllocatedEventFDs == NULL) err = mStatus_NoMemoryErr; + } if (err == mStatus_NoError) err = pthread_mutexattr_init(&attr); if (err == mStatus_NoError) err = pthread_mutexattr_setprotocol(&attr, PTHREAD_PRIO_INHERIT); if (err == mStatus_NoError) err = pthread_mutex_init(&m->p->mutex, &attr); @@ -1685,8 +1707,10 @@ mStatus mDNSPosixAddFDToEventLoop(int fd, mDNSPosixEventCallback callback, void if (gEventSources.LinkOffset == 0) InitLinkedList(&gEventSources, offsetof(PosixEventSource, Next)); +#ifndef __rtems__ if (fd >= (int) FD_SETSIZE || fd < 0) return mStatus_UnsupportedErr; +#endif /* __rtems__ */ if (callback == NULL) return mStatus_BadParamErr; @@ -1766,7 +1790,13 @@ mStatus mDNSPosixIgnoreSignalInEventLoop(int signum) mStatus mDNSPosixRunEventLoopOnce(mDNS *m, const struct timeval *pTimeout, sigset_t *pSignalsReceived, mDNSBool *pDataDispatched) { +#ifndef __rtems__ fd_set listenFDs = gEventFDs; +#else /* __rtems__ */ + fd_set bigEnoughListenFDs[howmany(rtems_libio_number_iops, sizeof(fd_set) * 8)]; +#define listenFDs (*(&bigEnoughListenFDs[0])) + memcpy(bigEnoughListenFDs, gAllocatedEventFDs, sizeof(bigEnoughListenFDs)); +#endif /* __rtems__ */ int fdMax = 0, numReady; struct timeval timeout = *pTimeout; |