Implement the following macros for completeness:
SYSCTL_QUAD() SYSCTL_ADD_QUAD() TUNABLE_QUAD() TUNABLE_QUAD_FETCH() Now we can use 64bit tunables on 32bit systems.
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=180661
@ -40,7 +40,8 @@
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.Nm SYSCTL_UINT ,
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.Nm SYSCTL_ULONG ,
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.Nm SYSCTL_XINT ,
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.Nm SYSCTL_XLONG
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.Nm SYSCTL_XLONG ,
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.Nm SYSCTL_QUAD
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.Nd Static sysctl declaration functions
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.Sh SYNOPSIS
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.In sys/types.h
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@ -57,6 +58,7 @@
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.Fn SYSCTL_ULONG parent nbr name access ptr val descr
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.Fn SYSCTL_XINT parent nbr name access ptr val descr
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.Fn SYSCTL_XLONG parent nbr name access ptr val descr
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.Fn SYSCTL_QUAD parent nbr name access ptr val descr
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.Sh DESCRIPTION
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The
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.Nm SYSCTL
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@ -83,8 +85,9 @@ New nodes are declared using one of
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.Fn SYSCTL_UINT ,
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.Fn SYSCTL_ULONG ,
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.Fn SYSCTL_XINT ,
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.Fn SYSCTL_XLONG ,
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and
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.Fn SYSCTL_XLONG .
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.Fn SYSCTL_QUAD .
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Each macro accepts a parent name, as declared using
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.Fn SYSCTL_DECL ,
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an OID number, typically
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@ -147,6 +147,16 @@
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.Fa "const char *descr"
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.Fc
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.Ft struct sysctl_oid *
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.Fo SYSCTL_ADD_QUAD
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.Fa "struct sysctl_ctx_list *ctx"
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.Fa "struct sysctl_oid_list *parent"
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.Fa "int number"
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.Fa "const char *name"
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.Fa "int access"
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.Fa "int64_t *arg"
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.Fa "const char *descr"
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.Fc
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.Ft struct sysctl_oid *
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.Fo SYSCTL_ADD_OPAQUE
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.Fa "struct sysctl_ctx_list *ctx"
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.Fa "struct sysctl_oid_list *parent"
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@ -430,6 +440,10 @@ variable.
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creates an oid that handles an
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.Li unsigned long
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variable.
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.It Fn SYSCTL_ADD_QUAD
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creates an oid that handles an
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.Li int64_t
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variable.
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.It Fn SYSCTL_ADD_OPAQUE
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creates an oid that handles any chunk of opaque data
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of the size specified by the
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@ -563,6 +563,14 @@ tunable_ulong_init(void *data)
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TUNABLE_ULONG_FETCH(d->path, d->var);
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}
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void
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tunable_quad_init(void *data)
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{
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struct tunable_quad *d = (struct tunable_quad *)data;
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TUNABLE_QUAD_FETCH(d->path, d->var);
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}
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void
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tunable_str_init(void *data)
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{
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@ -329,6 +329,25 @@ struct tunable_ulong {
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#define TUNABLE_ULONG_FETCH(path, var) getenv_ulong((path), (var))
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/*
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* quad
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*/
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extern void tunable_quad_init(void *);
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struct tunable_quad {
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const char *path;
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quad_t *var;
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};
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#define TUNABLE_QUAD(path, var) \
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static struct tunable_quad __CONCAT(__tunable_quad_, __LINE__) = { \
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(path), \
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(var), \
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}; \
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SYSINIT(__CONCAT(__Tunable_init_, __LINE__), \
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SI_SUB_TUNABLES, SI_ORDER_MIDDLE, tunable_quad_init, \
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&__CONCAT(__tunable_quad_, __LINE__))
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#define TUNABLE_QUAD_FETCH(path, var) getenv_quad((path), (var))
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extern void tunable_str_init(void *);
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struct tunable_str {
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const char *path;
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@ -294,6 +294,15 @@ TAILQ_HEAD(sysctl_ctx_list, sysctl_ctx_entry);
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sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_ULONG|(access), \
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ptr, 0, sysctl_handle_long, "LX", __DESCR(descr))
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/* Oid for a quad. The pointer must be non NULL. */
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#define SYSCTL_QUAD(parent, nbr, name, access, ptr, val, descr) \
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SYSCTL_OID(parent, nbr, name, CTLTYPE_QUAD|(access), \
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ptr, val, sysctl_handle_quad, "Q", __DESCR(descr))
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#define SYSCTL_ADD_QUAD(ctx, parent, nbr, name, access, ptr, descr) \
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sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_QUAD|(access), \
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ptr, 0, sysctl_handle_quad, "Q", __DESCR(descr))
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/* Oid for an opaque object. Specified by a pointer and a length. */
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#define SYSCTL_OPAQUE(parent, nbr, name, access, ptr, len, fmt, descr) \
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SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|(access), \
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