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mDNS: Use mutex for mDNSPosix platform

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This commit is contained in:
Sebastian Huber 2014-01-23 15:28:23 +01:00
parent f7205c1ed6
commit 0543f16e4c
2 changed files with 23 additions and 0 deletions
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17
mDNSResponder/mDNSPosix/mDNSPosix.c
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@ -1220,6 +1220,9 @@ mDNSexport mStatus mDNSPlatformInit(mDNS *const m)
{
int err = 0;
struct sockaddr sa;
#ifdef __rtems__
pthread_mutexattr_t attr;
#endif /* __rtems__ */
assert(m != NULL);
if (mDNSPlatformInit_CanReceiveUnicast()) m->CanReceiveUnicastOn5353 = mDNStrue;
@ -1237,6 +1240,12 @@ mDNSexport mStatus mDNSPlatformInit(mDNS *const m)
if (m->hostlabel.c[0] == 0) MakeDomainLabelFromLiteralString(&m->hostlabel, "Computer");
mDNS_SetFQDN(m);
#ifdef __rtems__
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);
if (err == mStatus_NoError) err = pthread_mutexattr_destroy(&attr);
#endif /* __rtems__ */
sa.sa_family = AF_INET;
m->p->unicastSocket4 = -1;
@ -1306,14 +1315,22 @@ mDNSexport mStatus mDNSPlatformPosixRefreshInterfaceList(mDNS *const m)
// the platform from reentering mDNS core code.
mDNSexport void mDNSPlatformLock (const mDNS *const m)
{
#ifndef __rtems__
(void) m; // Unused
#else /* __rtems__ */
pthread_mutex_lock(&m->p->mutex);
#endif /* __rtems__ */
}
// mDNS core calls this routine when it release the lock taken by
// mDNSPlatformLock and allow the platform to reenter mDNS core code.
mDNSexport void mDNSPlatformUnlock (const mDNS *const m)
{
#ifndef __rtems__
(void) m; // Unused
#else /* __rtems__ */
pthread_mutex_unlock(&m->p->mutex);
#endif /* __rtems__ */
}
#if COMPILER_LIKES_PRAGMA_MARK

6
mDNSResponder/mDNSPosix/mDNSPosix.h
View File

@ -20,6 +20,9 @@
#include <signal.h>
#include <sys/time.h>
#ifdef __rtems__
#include <pthread.h>
#endif /* __rtems__ */
#ifdef __cplusplus
extern "C" {
@ -54,6 +57,9 @@ struct mDNS_PlatformSupport_struct
#if HAVE_IPV6
int unicastSocket6;
#endif
#ifdef __rtems__
pthread_mutex_t mutex;
#endif /* __rtems__ */
};
#define uDNS_SERVERS_FILE "/etc/resolv.conf"