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NamedEvent/NamedMutex: change file open mode to read-only

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This commit is contained in:
Günter Obiltschnig 2017-09-11 13:41:12 +02:00
parent 40ae2aa2ed
commit a7a8571e25
2 changed files with 7 additions and 7 deletions
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8
Foundation/src/NamedEvent_UNIX.cpp
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@ -57,13 +57,13 @@ NamedEventImpl::NamedEventImpl(const std::string& name):
std::string fileName = getFileName(); std::string fileName = getFileName();
#if defined(sun) || defined(__APPLE__) || defined(__osf__) || defined(__QNX__) || defined(_AIX) #if defined(sun) || defined(__APPLE__) || defined(__osf__) || defined(__QNX__) || defined(_AIX)
_sem = sem_open(fileName.c_str(), O_CREAT, S_IRWXU | S_IRWXG | S_IRWXO, 0); _sem = sem_open(fileName.c_str(), O_CREAT, S_IRWXU | S_IRWXG | S_IRWXO, 0);
if ((long) _sem == (long) SEM_FAILED) if ((long) _sem == (long) SEM_FAILED)
throw SystemException(Poco::format("cannot create named mutex %s (sem_open() failed, errno=%d)", fileName, errno), _name); throw SystemException(Poco::format("cannot create named mutex %s (sem_open() failed, errno=%d)", fileName, errno), _name);
#else #else
int fd = open(fileName.c_str(), O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); int fd = open(fileName.c_str(), O_RDONLY | O_CREAT, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
if (fd != -1) if (fd != -1)
close(fd); close(fd);
else else
throw SystemException(Poco::format("cannot create named event %s (lockfile)", fileName), _name); throw SystemException(Poco::format("cannot create named event %s (lockfile)", fileName), _name);
key_t key = ftok(fileName.c_str(), 0); key_t key = ftok(fileName.c_str(), 0);
if (key == -1) if (key == -1)
@ -128,7 +128,7 @@ void NamedEventImpl::waitImpl()
{ {
err = semop(_semid, &op, 1); err = semop(_semid, &op, 1);
} }
while (err && errno == EINTR); while (err && errno == EINTR);
if (err) throw SystemException("cannot wait for named event", _name); if (err) throw SystemException("cannot wait for named event", _name);
#endif #endif
} }

6
Foundation/src/NamedMutex_UNIX.cpp
View File

@ -57,13 +57,13 @@ NamedMutexImpl::NamedMutexImpl(const std::string& name):
std::string fileName = getFileName(); std::string fileName = getFileName();
#if defined(sun) || defined(__APPLE__) || defined(__osf__) || defined(__QNX__) || defined(_AIX) #if defined(sun) || defined(__APPLE__) || defined(__osf__) || defined(__QNX__) || defined(_AIX)
_sem = sem_open(fileName.c_str(), O_CREAT, S_IRWXU | S_IRWXG | S_IRWXO, 1); _sem = sem_open(fileName.c_str(), O_CREAT, S_IRWXU | S_IRWXG | S_IRWXO, 1);
if ((long) _sem == (long) SEM_FAILED) if ((long) _sem == (long) SEM_FAILED)
throw SystemException(Poco::format("cannot create named mutex %s (sem_open() failed, errno=%d)", fileName, errno), _name); throw SystemException(Poco::format("cannot create named mutex %s (sem_open() failed, errno=%d)", fileName, errno), _name);
#else #else
int fd = open(fileName.c_str(), O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); int fd = open(fileName.c_str(), O_RDONLY | O_CREAT, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
if (fd != -1) if (fd != -1)
close(fd); close(fd);
else else
throw SystemException(Poco::format("cannot create named mutex %s (lockfile)", fileName), _name); throw SystemException(Poco::format("cannot create named mutex %s (lockfile)", fileName), _name);
key_t key = ftok(fileName.c_str(), 0); key_t key = ftok(fileName.c_str(), 0);
if (key == -1) if (key == -1)