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root / lab4 / .minix-src / include / minix / sysctl.h @ 13

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#ifndef _MINIX_SYSCTL_H
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#define _MINIX_SYSCTL_H
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/* MINIX3-specific sysctl(2) extensions. */
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#include <sys/sysctl.h>
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#include <minix/endpoint.h>
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/* Special values. */
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#define SYSCTL_NODE_FN        ((sysctlfn)0x1)                /* node is function-driven */
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/*
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 * The top-level MINIX3 identifier is quite a bit beyond the last top-level
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 * identifier in use by NetBSD, because NetBSD may add more later, and we do
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 * not want conflicts: this definition is part of the MINIX3 ABI.
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 */
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#define CTL_MINIX        32
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#if CTL_MAXID > CTL_MINIX
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#error "CTL_MAXID has grown too large!"
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#endif
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/*
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 * The identifiers below follow the standard sysctl naming scheme, which means
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 * care should be taken not to introduce clashes with other definitions
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 * elsewhere.  On the upside, not many places need to include this header file.
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 */
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#define MINIX_TEST        0
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#define MINIX_MIB        1
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#define MINIX_PROC        2
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#define MINIX_LWIP        3
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/*
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 * These identifiers, under MINIX_TEST, are used by test87 to test the MIB
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 * service.
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 */
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#define TEST_INT        0
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#define TEST_BOOL        1
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#define TEST_QUAD        2
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#define TEST_STRING        3
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#define TEST_STRUCT        4
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#define TEST_PRIVATE        5
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#define TEST_ANYWRITE        6
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#define TEST_DYNAMIC        7
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#define TEST_SECRET        8
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#define TEST_PERM        9
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#define TEST_DESTROY1        10
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#define TEST_DESTROY2        11
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#define SECRET_VALUE        0
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/* Identifiers for subnodes of MINIX_MIB. */
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#define MIB_NODES        1
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#define MIB_OBJECTS        2
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#define MIB_REMOTES        3
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/* Identifiers for subnodes of MINIX_PROC. */
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#define PROC_LIST        1
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#define PROC_DATA        2
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/* Structure used for PROC_LIST.  Not part of the ABI.  Used by ProcFS only. */
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struct minix_proc_list {
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        uint32_t mpl_flags;                /* process flags (MPLF_) */
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        pid_t mpl_pid;                        /* process PID */
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        uid_t mpl_uid;                        /* effective user ID */
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        gid_t mpl_gid;                        /* effective group ID */
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};
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#define MPLF_IN_USE        0x01                /* process slot is in use */
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#define MPLF_ZOMBIE        0x02                /* process is a zombie */
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/* Structure used for PROC_DATA.  Not part of the ABI.  Used by ProcFS only. */
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struct minix_proc_data {
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        endpoint_t mpd_endpoint;        /* process endpoint */
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        uint32_t mpd_flags;                /* procses flags (MPDF_) */
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        endpoint_t mpd_blocked_on;        /* blocked on other process, or NONE */
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        uint32_t mpd_priority;                /* current process priority */
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        uint32_t mpd_user_time;                /* user time, in clock ticks */
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        uint32_t mpd_sys_time;                /* system time, in clock ticks */
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        uint64_t mpd_cycles;                /* cycles spent by the process */
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        uint64_t mpd_kipc_cycles;        /* cycles spent on kernel IPC */
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        uint64_t mpd_kcall_cycles;        /* cycles spent on kernel calls */
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        uint32_t mpd_nice;                /* nice value */
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        char mpd_name[16];                /* short process name */
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};
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#define MPDF_SYSTEM        0x01                /* process is a system service */
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#define MPDF_ZOMBIE        0x02                /* process is a zombie */
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#define MPDF_RUNNABLE        0x04                /* process is runnable */
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#define MPDF_STOPPED        0x08                /* process is stopped */
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/*
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 * Expose sysctl(2) to system services (ProcFS in particular), so as to avoid
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 * including the CTL_USER subtree handling of sysctl(3) as well.
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 */
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int __sysctl(const int *, unsigned int, void *, size_t *, const void *,
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        size_t);
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#endif /* !_MINIX_SYSCTL_H */