My problem is that tcdrain () blocks forever after a random number of executions of this function _write_port (). This will block the lock, resulting in blocking my other read thread, resulting in blocking everything. What is a good approach to avoid tcdrain from blocking forever? WebThe tcdrain () function waits until all output sent to fildes has actually been sent to the terminal device. If tcdrain () is called from a background process group against the …
Rs232: problems with tcdrain() function [Archive] - Ubuntu Forums
WebThe tcdrain function waits until all queued output to the terminal filedes has been transmitted. This function is a cancellation point in multi-threaded programs. This is a problem if the thread allocates some resources (like memory, file descriptors, semaphores or whatever) at the time tcdrain is called. If the thread gets canceled these ... red flags for sore throat
tcdrain(3) - Linux man page
WebMay 16, 2013 · The program communicates this way: send a packet (i.e. 5 bytes) call tcdrain () on the file descriptor receive a packet (again 5-10 bytes) wait 10 ms repeat All … WebMay 4, 2024 · On (modern) Linux systems the receive and transmit system buffers are usually cleared when the serial port/terminal is opened. That may not be the case with Windows. flush () " Flush of file like objects. In this case, wait until all data is written." In POSIX termios jargon, this function is known as tcdrain (). WebTN3129: Resolving build errors from helper tools in Xcode Cloud and other build environments Review common causes for failing Xcode Cloud builds that originate from helper tools running in a misconfigured build environment. View Technote TN3129 > Technotes Xcode Cloud Xcode Command Line Tools Posted by Jason . Last updated 3 … red flags for substance abuse