generic-library/poco
1
0
Fork 0
mirror of https://github.com/pocoproject/poco.git synced 2025-10-28 03:20:11 +01:00
Code Issues Projects Releases Wiki Activity

#3338: NamedMutex does not work on Linux distributions where fs.protected_regular=1

Browse Source
This commit is contained in:
Günter Obiltschnig
2022-02-19 11:12:48 +01:00
parent df20425463
commit 7099821df8
2 changed files with 6 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
Foundation/src/NamedEvent_UNIX.cpp
View File

@@ -58,7 +58,9 @@ NamedEventImpl::NamedEventImpl(const std::string& name):
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_RDONLY | O_CREAT, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); int fd = open(fileName.c_str(), O_RDONLY, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
if (fd == -1 && errno == ENOENT)
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

4
Foundation/src/NamedMutex_UNIX.cpp
View File

@@ -58,7 +58,9 @@ NamedMutexImpl::NamedMutexImpl(const std::string& name):
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_RDONLY | O_CREAT, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); int fd = open(fileName.c_str(), O_RDONLY, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
if (fd == -1 && errno == ENOENT)
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