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Use a separate macro to generate the name of the sysctl_oid_list that holds

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the children of a sysctl node, so that the arguments to the SYSCTL_NODE
macro can themselves be macros.  It would be nice to use __CONCAT throughout
this file, but the macros are so large that it quickly becomes unweildly,
(4 nested __CONCATs).
This commit is contained in:
Jake Burkholder 2003-01-04 08:50:43 +00:00
parent c6e3ae999b
commit 4bf2855c97
1 changed files with 5 additions and 2 deletions
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7
sys/sys/sysctl.h
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@ -178,6 +178,9 @@ struct sysctl_ctx_entry {
TAILQ_HEAD(sysctl_ctx_list, sysctl_ctx_entry);
#define SYSCTL_NODE_CHILDREN(parent, name) \
sysctl_##parent##_##name##_children
/* This constructs a "raw" MIB oid. */
#define SYSCTL_OID(parent, nbr, name, kind, a1, a2, handler, fmt, descr) \
static struct sysctl_oid sysctl__##parent##_##name = { \
@ -190,9 +193,9 @@ TAILQ_HEAD(sysctl_ctx_list, sysctl_ctx_entry);
/* This constructs a node from which other oids can hang. */
#define SYSCTL_NODE(parent, nbr, name, access, handler, descr) \
struct sysctl_oid_list sysctl_##parent##_##name##_children; \
struct sysctl_oid_list SYSCTL_NODE_CHILDREN(parent, name); \
SYSCTL_OID(parent, nbr, name, CTLTYPE_NODE|(access), \
(void*)&sysctl_##parent##_##name##_children, 0, handler, \
(void*)&SYSCTL_NODE_CHILDREN(parent, name), 0, handler, \
"N", descr)
#define SYSCTL_ADD_NODE(ctx, parent, nbr, name, access, handler, descr) \