cython

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# https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sys_resource.h.html
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# https://man7.org/linux/man-pages/man2/getrusage.2.html
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from posix.time  cimport timeval
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from posix.types cimport id_t
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cdef extern from "<sys/resource.h>" nogil:
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    enum: PRIO_PROCESS
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    enum: PRIO_PGRP
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    enum: PRIO_USER
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    enum: RLIM_INFINITY
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    enum: RLIM_SAVED_MAX
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    enum: RLIM_SAVED_CUR
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    enum: RUSAGE_SELF
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    enum: RUSAGE_CHILDREN
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    enum: RLIMIT_CORE
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    enum: RLIMIT_CPU
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    enum: RLIMIT_DATA
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    enum: RLIMIT_FSIZE
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    enum: RLIMIT_NOFILE
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    enum: RLIMIT_STACK
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    enum: RLIMIT_AS
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    ctypedef unsigned long rlim_t
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    cdef struct rlimit:
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        rlim_t rlim_cur
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        rlim_t rlim_max
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    cdef struct rusage:
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        timeval ru_utime
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        timeval ru_stime
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        # Linux-specific
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        long    ru_maxrss
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        long    ru_ixrss
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        long    ru_idrss
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        long    ru_isrss
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        long    ru_minflt
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        long    ru_majflt
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        long    ru_nswap
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        long    ru_inblock
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        long    ru_oublock
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        long    ru_msgsnd
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        long    ru_msgrcv
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        long    ru_nsignals
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        long    ru_nvcsw
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        long    ru_nivcsw
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    int  getpriority(int, id_t)
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    int  getrlimit(int, rlimit *)
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    int  getrusage(int, rusage *)
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    int  setpriority(int, id_t, int)
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    int  setrlimit(int, const rlimit *)
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