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When a child process terminates, some information is returned to the parent process. 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 ...
The SIGCHLD signal is sent to a process when a child process terminates, is stopped, or resumes after being stopped. One common usage of the signal is to instruct the operating system to clean up the resources used by a child process after its termination without an explicit call to the wait system call.
A National Action Plan on the elimination of child labour (or NAP) is a national strategy, plan or programme aimed at addressing child labour within a given country, usually with an emphasis on worst forms of child labour. [1] Some countries also refer to this as an Action Programme on the Elimination of Child Labour (APEC).
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]
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When a child process is created, it inherits all the environment variables and their values from the parent process. Usually, when a program calls another program, it first creates a child process by forking, then the child adjusts the environment as needed and lastly the child replaces itself with the program to be called. This procedure gives ...
Child labor is the practice of having children engage in economic activity on a part-time or full-time basis. [17] [18] The practice is harmful to their physical and mental development. It is considered to be a form of exploitation and is illegal in many countries. [19] [20] [21]
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