RFORK_THREAD (3) | C library functions | Unix Manual Pages



RFORK_THREAD (3) \| C library functions \| Unix Manual Pages \| :man▋ NAME rfork_thread - create a rfork-based process thread CONTENTS Library Synopsis Description Return Values Errors See Also History LIBRARY .Lb libc SYNOPSIS .In unistd.h pid_t `rfork_thread "int flags" "void stack" "int (func)(void arg)" "void arg"` DESCRIPTION The `rfork_thread` function is a helper function for rfork(2). It arranges for a new process to be created and the child process will call the specified function with the specified argument, while running on the supplied stack. Using this function should avoid the need to implement complex stack swap code. RETURN VALUES Upon successful completion, `rfork_thread` returns the process ID of the child process to the parent process. Otherwise, a value of -1 is returned to the parent process, no child process is created, and the global variable errno is set to indicate the error. The child process context is not aware of a return from the `rfork_thread` function as it begins executing directly with the supplied function. ERRORS See rfork(2) for error return codes. SEE ALSO fork(2), intro(2), minherit(2), rfork(2), vfork(2) HISTORY

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