I want a program to be able to change the content of a file, when no other
(instance of the same) program can read (or write) it. One instance of the
program should be able to both read and update the file without
intervenience by another instance, which should be able to wait and read
and update when the first instance is ready.
Is there a portable (portable between UNIX systems, that is) to do this
without using other files as semaphores?
Mats Luthman, Sylog AB
Solna Torg 3, Box 1466
171 28 Solna, SWEDEN
phone: +46 8 730 00 15