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When a child process terminates before the parent has called wait, the kernel retains some information about the process, such as its exit status, to enable its parent to call wait later. [3] Because the child is still consuming system resources but not executing it is known as a zombie process .
A C program may also use the exit() function specifying the integer status or exit macro as the first parameter. The return value from main is passed to the exit function, which for values zero, EXIT_SUCCESS or EXIT_FAILURE may translate it to "an implementation defined form" of successful termination or unsuccessful termination. [citation needed]
Such an orphan process becomes a child of a special root process, which then waits for the child process to terminate. Likewise, a similar strategy is used to deal with a zombie process, which is a child process that has terminated but whose exit status is ignored by its parent process. Such a process becomes the child of a special parent ...
An operating system may provide variations of the wait call that allow a process to wait for any of its child processes to exit, or to wait for a single specific child process (identified by its process ID) to exit. Some operating systems issue a signal to the parent process when a child process terminates, notifying the parent process and ...
Learn how to download and install or uninstall the Desktop Gold software and if your computer meets the system requirements.
Christina Aguilera is ending her year by shutting down those who have anything to say about her appearance.. On Dec. 31, the five-time Grammy winner, 44, posted a video montage on Instagram ...
While du may show a large amount of free disk space, df will show a full partition. If the zombies are not cleaned, this can fill the root partition and crash the system. The term zombie process derives from the common definition of zombie — an undead person. In the term's metaphor, the child process has "died" but has not yet been "reaped".
The Detroit Free Press reported at the time that 634 of the jobs being cut then were at the GM Global Technical Center in Warren based on information provided to the state of Michigan.