When should I use fsync instead of fflush?

May 15, 2010 ... In principle the fflush should flush the stdout IO from the first printf() and all should be fine. Apparently not. What's most interesting ... Jan 21, 2008 ... Turbo C typically needed this. -- Mats. Compilers can produce warnings - make the compiler programmers happy: Use them! Please don't PM ... However, output shall not be directly followed by input without an intervening call to the fflush function or to a file positioning function ( fseek ... Nov 9, 2024 ... Flushing output on a buffered stream means transmitting all accumulated characters to the file. There are many circumstances when buffered ... Oct 20, 2022 ... The flush function will wait for pending data to be written to the file associated with a given stream. Flushing is typically done after a ... Only the C standard and 1003.1 own the rules for fflush(). There is no re- quirement that we can find in either that corresponds to the above. Moreover, the ... ... fflush (stdout); /* #ifdef COUNT_BUS_OPS */ } my_barrier (); smp ... c ; while (( c = getopt(argc, argv, "p:a:d:c:o:")) != EOF) switch(c) { case 'p ... Aug 11, 2021 ... A fflush(stdout) checks if there are any data in the buffer that should be written and if so, the underlying syscall is used to write the data to the OS. The fflush() calls force the output to standard output. The fflush() function is used because standard output is usually buffered and the prompt may not ... In C you can use fflush(stdout). In C++ you can use fflush(stdout) or cout flush. In Java you can use method flush for output stream, for example, System ...