SIMPLE SOLUTIONS

EXPLAIN_WAITPID_OR_DIE - reference manual online

Wait for process to change state and report errors.

Chapter
explain_waitpid_or_die(3)            Library Functions Manual           explain_waitpid_or_die(3)

NAME explain_waitpid_or_die - wait for process to change state and report errors
SYNOPSIS #include <libexplain/waitpid.h> int pid = explain_waitpid_or_die(int pid, int *status, int options);
DESCRIPTION The explain_waitpid_or_die function is used to call the waitpid(2) system call. On fail‐ ure an explanation will be printed to stderr, obtained from explain_waitpid(3), and then the process terminates by calling exit(EXIT_FAILURE). This function is intended to be used in a fashion similar to the following example: explain_waitpid_or_die(pid, status, options); pid The pid, exactly as to be passed to the waitpid(2) system call. status The status, exactly as to be passed to the waitpid(2) system call. options The options, exactly as to be passed to the waitpid(2) system call. Returns: This function only returns on success. On failure, prints an explanation and exits.
SEE ALSO waitpid(2) wait for process to change state explain_waitpid(3) explain waitpid(2) errors exit(2) terminate the calling process
explain_waitpid_or_die(3)
This manual Reference Other manuals
explain_waitpid_or_die(3) referred by explain(3) | explain_waitpid(3)
refer to _exit(2) | explain_waitpid(3) | wait(2)