SIMPLE SOLUTIONS

EXPLAIN_SETPRIORITY_OR_DIE - reference manual online

Set program scheduling priority and report errors.

Chapter
explain_setpriority_or_die(3)        Library Functions Manual       explain_setpriority_or_die(3)

NAME explain_setpriority_or_die - set program scheduling priority and report errors
SYNOPSIS #include <libexplain/setpriority.h> void explain_setpriority_or_die(int which, int who, int prio); int explain_setpriority_on_error(int which, int who, int prio);
DESCRIPTION The explain_setpriority_or_die function is used to call the setpriority(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_setpriority(3) function, and then the process terminates by calling exit(EXIT_FAILURE). The explain_setpriority_on_error function is used to call the setpriority(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_setpriorā€ ity(3) function, but still returns to the caller. which The which, exactly as to be passed to the setpriority(2) system call. who The who, exactly as to be passed to the setpriority(2) system call. prio The prio, exactly as to be passed to the setpriority(2) system call.
RETURN VALUE The explain_setpriority_or_die function only returns on success, see setpriority(2) for more information. On failure, prints an explanation and exits, it does not return. The explain_setpriority_on_error function always returns the value return by the wrapped setpriority(2) system call.
EXAMPLE The explain_setpriority_or_die function is intended to be used in a fashion similar to the following example: explain_setpriority_or_die(which, who, prio);
SEE ALSO setpriority(2) set program scheduling priority explain_setpriority(3) explain setpriority(2) errors exit(2) terminate the calling process
explain_setpriority_or_die(3)
This manual Reference Other manuals
explain_setpriority_or_die(3) referred by explain(3) | explain_setpriority(3)
refer to _exit(2) | explain_setpriority(3) | getpriority(2)