Each process consumes system resources such as memory and CPU time. This chapter looks at resource-related system calls. We begin with the getrusage() system call, which allows a process to monitor the resources that it has used or that its children have used. We then look at the setrlimit() and getrlimit() system calls, which can be used to change and retrieve limits on the calling process's consumption of various resources.
36 Process Resources
36.1 Process Resource Usage: getrusage()
36.2 Process Resource Limits: getrlimit() and setrlimit()
36.3 Details of Specific Resource Limits
36.4 Summary
36.5 Exercises
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