diff options
| -rw-r--r-- | src/MTS_IO_LockFile.cpp | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/src/MTS_IO_LockFile.cpp b/src/MTS_IO_LockFile.cpp index c013699..a4879de 100644 --- a/src/MTS_IO_LockFile.cpp +++ b/src/MTS_IO_LockFile.cpp @@ -84,10 +84,22 @@ bool LockFile::lock(uint32_t attemptMillis) { // Mgetty treats 4-bytes lock files as binary, // not text, PID. Making 5+ char file. Brrr... char buf[256] = {0}; + size_t written = 0; + sprintf(buf, "%4d\n", getpid()); - write(m_iLockFd, buf, strlen(buf)); - close(m_iLockFd); - return true; + size_t wsize = strlen(buf); + + written = write(m_iLockFd, buf, wsize); + + if (wsize != written) { + printError("LockFile| Error writing to lock file [%s] [%d][%s]", m_sFile.c_str(), errno, strerror(errno)); + close(m_iLockFd); + return false; + } + else { + close(m_iLockFd); + return true; + } } uint32_t randomSleepTime = ((rand() % 10) + 1) * 100000; //Sleep from 100ms to 1 Second ::usleep(randomSleepTime); |