Where if not in examples we should follow style(9)?

This commit is contained in:
Pawel Jakub Dawidek 2009-06-03 09:28:58 +00:00
parent bf64a6b6b4
commit 195ebc7e9e
2 changed files with 30 additions and 34 deletions

View File

@ -42,7 +42,7 @@ static struct sysctl_oid *a_root, *a_root1, *b_root;
static struct sysctl_ctx_list clist, clist1, clist2; static struct sysctl_ctx_list clist, clist1, clist2;
static int static int
sysctl_dyn_sysctl_test (SYSCTL_HANDLER_ARGS) sysctl_dyn_sysctl_test(SYSCTL_HANDLER_ARGS)
{ {
char *buf = "let's produce some text..."; char *buf = "let's produce some text...";
@ -53,7 +53,7 @@ sysctl_dyn_sysctl_test (SYSCTL_HANDLER_ARGS)
* The function called at load/unload. * The function called at load/unload.
*/ */
static int static int
load (module_t mod, int cmd, void *arg) load(module_t mod, int cmd, void *arg)
{ {
int error; int error;
@ -78,37 +78,37 @@ load (module_t mod, int cmd, void *arg)
SYSCTL_STATIC_CHILDREN(/* top of sysctl tree */), SYSCTL_STATIC_CHILDREN(/* top of sysctl tree */),
OID_AUTO, "dyn_sysctl", CTLFLAG_RW, 0, OID_AUTO, "dyn_sysctl", CTLFLAG_RW, 0,
"dyn_sysctl root node"); "dyn_sysctl root node");
if(a_root == NULL) { if (a_root == NULL) {
printf("SYSCTL_ADD_NODE failed!\n"); printf("SYSCTL_ADD_NODE failed!\n");
return (EINVAL); return (EINVAL);
} }
SYSCTL_ADD_LONG(&clist, SYSCTL_CHILDREN(a_root), SYSCTL_ADD_LONG(&clist, SYSCTL_CHILDREN(a_root),
OID_AUTO, "long_a", CTLFLAG_RW, &a, "just to try"); OID_AUTO, "long_a", CTLFLAG_RW, &a, "just to try");
SYSCTL_ADD_INT(&clist, SYSCTL_CHILDREN(a_root), SYSCTL_ADD_INT(&clist, SYSCTL_CHILDREN(a_root),
OID_AUTO, "int_b", CTLFLAG_RW, &b, 0, "just to try 1"); OID_AUTO, "int_b", CTLFLAG_RW, &b, 0, "just to try 1");
a_root1=SYSCTL_ADD_NODE(&clist, SYSCTL_CHILDREN(a_root), a_root1 = SYSCTL_ADD_NODE(&clist, SYSCTL_CHILDREN(a_root),
OID_AUTO, "nextlevel", CTLFLAG_RD, 0, "one level down"); OID_AUTO, "nextlevel", CTLFLAG_RD, 0, "one level down");
SYSCTL_ADD_STRING(&clist, SYSCTL_CHILDREN(a_root1), SYSCTL_ADD_STRING(&clist, SYSCTL_CHILDREN(a_root1),
OID_AUTO, "string_c", CTLFLAG_RD, c, 0, "just to try 2"); OID_AUTO, "string_c", CTLFLAG_RD, c, 0, "just to try 2");
printf("1. (%p) / dyn_sysctl\n", &clist); printf("1. (%p) / dyn_sysctl\n", &clist);
/* Add a subtree under already existing category */ /* Add a subtree under already existing category */
a_root1 = SYSCTL_ADD_NODE(&clist, SYSCTL_STATIC_CHILDREN(_kern), a_root1 = SYSCTL_ADD_NODE(&clist, SYSCTL_STATIC_CHILDREN(_kern),
OID_AUTO, "dyn_sysctl", CTLFLAG_RW, 0, "dyn_sysctl root node"); OID_AUTO, "dyn_sysctl", CTLFLAG_RW, 0, "dyn_sysctl root node");
if(a_root1 == NULL) { if (a_root1 == NULL) {
printf("SYSCTL_ADD_NODE failed!\n"); printf("SYSCTL_ADD_NODE failed!\n");
return (EINVAL); return (EINVAL);
} }
SYSCTL_ADD_PROC(&clist, SYSCTL_CHILDREN(a_root1), SYSCTL_ADD_PROC(&clist, SYSCTL_CHILDREN(a_root1),
OID_AUTO, "procedure", CTLFLAG_RD, 0, 0, OID_AUTO, "procedure", CTLFLAG_RD, 0, 0,
sysctl_dyn_sysctl_test, "A", "I can be here, too"); sysctl_dyn_sysctl_test, "A", "I can be here, too");
printf(" (%p) /kern dyn_sysctl\n", &clist); printf(" (%p) /kern dyn_sysctl\n", &clist);
/* Overlap second tree with the first. */ /* Overlap second tree with the first. */
b_root = SYSCTL_ADD_NODE(&clist1, SYSCTL_CHILDREN(a_root), b_root = SYSCTL_ADD_NODE(&clist1, SYSCTL_CHILDREN(a_root),
OID_AUTO, "nextlevel", CTLFLAG_RD, 0, "one level down"); OID_AUTO, "nextlevel", CTLFLAG_RD, 0, "one level down");
SYSCTL_ADD_STRING(&clist1, SYSCTL_CHILDREN(b_root), SYSCTL_ADD_STRING(&clist1, SYSCTL_CHILDREN(b_root),
OID_AUTO, "string_c1", CTLFLAG_RD, c, 0, "just to try 2"); OID_AUTO, "string_c1", CTLFLAG_RD, c, 0, "just to try 2");
printf("2. (%p) / dyn_sysctl (overlapping #1)\n", &clist1); printf("2. (%p) / dyn_sysctl (overlapping #1)\n", &clist1);
/* /*
@ -117,19 +117,19 @@ load (module_t mod, int cmd, void *arg)
* WARNING: this is an example of WRONG use of dynamic sysctls. * WARNING: this is an example of WRONG use of dynamic sysctls.
*/ */
b_root=SYSCTL_ADD_NODE(&clist2, SYSCTL_CHILDREN(a_root1), b_root=SYSCTL_ADD_NODE(&clist2, SYSCTL_CHILDREN(a_root1),
OID_AUTO, "bad", CTLFLAG_RW, 0, "dependent node"); OID_AUTO, "bad", CTLFLAG_RW, 0, "dependent node");
SYSCTL_ADD_STRING(&clist2, SYSCTL_CHILDREN(b_root), SYSCTL_ADD_STRING(&clist2, SYSCTL_CHILDREN(b_root),
OID_AUTO, "string_c", CTLFLAG_RD, c, 0, "shouldn't panic"); OID_AUTO, "string_c", CTLFLAG_RD, c, 0, "shouldn't panic");
printf("3. (%p) /kern/dyn_sysctl bad (WRONG!)\n", &clist2); printf("3. (%p) /kern/dyn_sysctl bad (WRONG!)\n", &clist2);
break; break;
case MOD_UNLOAD : case MOD_UNLOAD :
printf("1. Try to free ctx1 (%p): ", &clist); printf("1. Try to free ctx1 (%p): ", &clist);
if(sysctl_ctx_free(&clist)) if (sysctl_ctx_free(&clist) != 0)
printf("failed: expected. Need to remove ctx3 first.\n"); printf("failed: expected. Need to remove ctx3 first.\n");
else else
printf("HELP! sysctl_ctx_free(%p) succeeded. EXPECT PANIC!!!\n", &clist); printf("HELP! sysctl_ctx_free(%p) succeeded. EXPECT PANIC!!!\n", &clist);
printf("2. Try to free ctx3 (%p): ", &clist2); printf("2. Try to free ctx3 (%p): ", &clist2);
if(sysctl_ctx_free(&clist2)) { if (sysctl_ctx_free(&clist2) != 0) {
printf("sysctl_ctx_free(%p) failed!\n", &clist2); printf("sysctl_ctx_free(%p) failed!\n", &clist2);
/* Remove subtree forcefully... */ /* Remove subtree forcefully... */
sysctl_remove_oid(b_root, 1, 1); sysctl_remove_oid(b_root, 1, 1);
@ -137,7 +137,7 @@ load (module_t mod, int cmd, void *arg)
} else } else
printf("Ok\n"); printf("Ok\n");
printf("3. Try to free ctx1 (%p) again: ", &clist); printf("3. Try to free ctx1 (%p) again: ", &clist);
if(sysctl_ctx_free(&clist)) { if (sysctl_ctx_free(&clist) != 0) {
printf("sysctl_ctx_free(%p) failed!\n", &clist); printf("sysctl_ctx_free(%p) failed!\n", &clist);
/* Remove subtree forcefully... */ /* Remove subtree forcefully... */
sysctl_remove_oid(a_root1, 1, 1); sysctl_remove_oid(a_root1, 1, 1);
@ -145,7 +145,7 @@ load (module_t mod, int cmd, void *arg)
} else } else
printf("Ok\n"); printf("Ok\n");
printf("4. Try to free ctx2 (%p): ", &clist1); printf("4. Try to free ctx2 (%p): ", &clist1);
if(sysctl_ctx_free(&clist1)) { if (sysctl_ctx_free(&clist1) != 0) {
printf("sysctl_ctx_free(%p) failed!\n", &clist1); printf("sysctl_ctx_free(%p) failed!\n", &clist1);
/* Remove subtree forcefully... */ /* Remove subtree forcefully... */
sysctl_remove_oid(a_root, 1, 1); sysctl_remove_oid(a_root, 1, 1);
@ -156,10 +156,10 @@ load (module_t mod, int cmd, void *arg)
error = EOPNOTSUPP; error = EOPNOTSUPP;
break; break;
} }
return error; return (error);
} }
static moduledata_t mod_data= { static moduledata_t mod_data = {
"dyn_sysctl", "dyn_sysctl",
load, load,
0 0

View File

@ -26,7 +26,6 @@
* $FreeBSD$ * $FreeBSD$
*/ */
#include <sys/types.h>
#include <sys/param.h> #include <sys/param.h>
#include <sys/proc.h> #include <sys/proc.h>
#include <sys/module.h> #include <sys/module.h>
@ -38,18 +37,17 @@
/* /*
* The function for implementing the syscall. * The function for implementing the syscall.
*/ */
static int static int
hello (struct thread *td, void *arg) hello(struct thread *td, void *arg)
{ {
printf ("hello kernel\n");
return 0; printf("hello kernel\n");
return (0);
} }
/* /*
* The `sysent' for the new syscall * The `sysent' for the new syscall
*/ */
static struct sysent hello_sysent = { static struct sysent hello_sysent = {
0, /* sy_narg */ 0, /* sy_narg */
hello /* sy_call */ hello /* sy_call */
@ -58,30 +56,28 @@ static struct sysent hello_sysent = {
/* /*
* The offset in sysent where the syscall is allocated. * The offset in sysent where the syscall is allocated.
*/ */
static int offset = NO_SYSCALL; static int offset = NO_SYSCALL;
/* /*
* The function called at load/unload. * The function called at load/unload.
*/ */
static int static int
load (struct module *module, int cmd, void *arg) load(struct module *module, int cmd, void *arg)
{ {
int error = 0; int error = 0;
switch (cmd) { switch (cmd) {
case MOD_LOAD : case MOD_LOAD :
printf ("syscall loaded at %d\n", offset); printf("syscall loaded at %d\n", offset);
break; break;
case MOD_UNLOAD : case MOD_UNLOAD :
printf ("syscall unloaded from %d\n", offset); printf("syscall unloaded from %d\n", offset);
break; break;
default : default :
error = EOPNOTSUPP; error = EOPNOTSUPP;
break; break;
} }
return error; return (error);
} }
SYSCALL_MODULE(syscall, &offset, &hello_sysent, load, NULL); SYSCALL_MODULE(syscall, &offset, &hello_sysent, load, NULL);