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improved NamedMutex/Event error diagnostics

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Alex 2013-06-15 13:13:34 -05:00
parent 46acf8b6dc
commit 94c54f926d
2 changed files with 11 additions and 8 deletions
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9
Foundation/src/NamedEvent_UNIX.cpp
View File

@ -35,6 +35,7 @@
#include "Poco/NamedEvent_UNIX.h"
#include "Poco/Format.h"
#include "Poco/Exception.h"
#include <fcntl.h>
#include <sys/stat.h>
@ -77,16 +78,16 @@ NamedEventImpl::NamedEventImpl(const std::string& name):
#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);
if ((long) _sem == (long) SEM_FAILED)
throw SystemException("cannot create named event (sem_open() failed)", _name);
throw SystemException(Poco::format("cannot create named mutex %s (sem_open() failed, errno=%d)", fileName, errno), _name);
#else
int fd = open(fileName.c_str(), O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
if (fd != -1)
close(fd);
else
throw SystemException("cannot create named event (lockfile)", _name);
throw SystemException(Poco::format("cannot create named event %s (lockfile)", fileName), _name);
key_t key = ftok(fileName.c_str(), 0);
if (key == -1)
throw SystemException("cannot create named event (ftok() failed)", _name);
throw SystemException(Poco::format("cannot create named mutex %s (ftok() failed, errno=%d)", fileName, errno), _name);
_semid = semget(key, 1, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH | IPC_CREAT | IPC_EXCL);
if (_semid >= 0)
{
@ -98,7 +99,7 @@ NamedEventImpl::NamedEventImpl(const std::string& name):
{
_semid = semget(key, 1, 0);
}
else throw SystemException("cannot create named event (semget() failed)", _name);
else throw SystemException(Poco::format("cannot create named mutex %s (semget() failed, errno=%d)", fileName, errno), _name);
#endif // defined(sun) || defined(__APPLE__) || defined(__osf__) || defined(__QNX__) || defined(_AIX)
}

10
Foundation/src/NamedMutex_UNIX.cpp
View File

@ -35,6 +35,7 @@
#include "Poco/NamedMutex_UNIX.h"
#include "Poco/Format.h"
#include "Poco/Exception.h"
#include <fcntl.h>
#include <sys/stat.h>
@ -77,16 +78,16 @@ NamedMutexImpl::NamedMutexImpl(const std::string& name):
#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);
if ((long) _sem == (long) SEM_FAILED)
throw SystemException("cannot create named mutex (sem_open() failed)", _name);
throw SystemException(Poco::format("cannot create named mutex %s (sem_open() failed, errno=%d)", fileName, errno), _name);
#else
int fd = open(fileName.c_str(), O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
if (fd != -1)
close(fd);
else
throw SystemException("cannot create named mutex (lockfile)", _name);
throw SystemException(Poco::format("cannot create named mutex %s (lockfile)", fileName), _name);
key_t key = ftok(fileName.c_str(), 0);
if (key == -1)
throw SystemException("cannot create named mutex (ftok() failed)", _name);
throw SystemException(Poco::format("cannot create named mutex %s (ftok() failed, errno=%d)", fileName, errno), _name);
_semid = semget(key, 1, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH | IPC_CREAT | IPC_EXCL);
if (_semid >= 0)
{
@ -98,7 +99,7 @@ NamedMutexImpl::NamedMutexImpl(const std::string& name):
{
_semid = semget(key, 1, 0);
}
else throw SystemException("cannot create named mutex (semget() failed)", _name);
else throw SystemException(Poco::format("cannot create named mutex %s (semget() failed, errno=%d)", fileName, errno), _name);
#endif // defined(sun) || defined(__APPLE__) || defined(__osf__) || defined(__QNX__) || defined(_AIX)
}
@ -181,3 +182,4 @@ std::string NamedMutexImpl::getFileName()
} // namespace Poco