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Added a missing return value.

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Some code cleanups.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@590 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2002-08-05 05:26:52 +00:00
parent 48d741f719
commit fbc9a56c28
1 changed files with 96 additions and 50 deletions
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146
src/kernel/core/team.c
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@ -120,12 +120,12 @@ team_init(kernel_args *ka)
// create the kernel team
kernel_team = create_team_struct("kernel_team", true);
if(kernel_team == NULL)
if (kernel_team == NULL)
panic("could not create kernel team!\n");
kernel_team->state = TEAM_STATE_NORMAL;
kernel_team->ioctx = vfs_new_io_context(NULL);
if(kernel_team->ioctx == NULL)
if (kernel_team->ioctx == NULL)
panic("could not create ioctx for kernel team!\n");
//XXX should initialize kernel_team->path here. Set it to "/"?
@ -134,14 +134,18 @@ team_init(kernel_args *ka)
hash_insert(team_hash, kernel_team);
add_debugger_command("team", &dump_team_info, "list info about a particular team");
return 0;
}
// Frees an array of strings in kernel space
// Parameters
// strings strings array
// strc number of strings in array
static void kfree_strings_array(char **strings, int strc)
/** Frees an array of strings in kernel space
* Parameters
* strings strings array
* strc number of strings in array
*/
static void
kfree_strings_array(char **strings, int strc)
{
int cnt = strc;
@ -153,13 +157,17 @@ static void kfree_strings_array(char **strings, int strc)
}
}
// Copy an array of strings from user space to kernel space
// Parameters
// strings userspace strings array
// strc number of strings in array
// kstrings pointer to the kernel copy
// Returns < 0 on error and **kstrings = NULL
static int user_copy_strings_array(char **strings, int strc, char ***kstrings)
/** Copy an array of strings from user space to kernel space
* Parameters
* strings userspace strings array
* strc number of strings in array
* kstrings pointer to the kernel copy
* Returns < 0 on error and **kstrings = NULL
*/
static int
user_copy_strings_array(char **strings, int strc, char ***kstrings)
{
char **lstrings;
int err;
@ -212,7 +220,9 @@ error:
return err;
}
int user_team_wait_on_team(team_id id, int *uretcode)
int
user_team_wait_on_team(team_id id, int *uretcode)
{
int retcode;
int rc, rc2;
@ -231,7 +241,9 @@ int user_team_wait_on_team(team_id id, int *uretcode)
return rc;
}
int team_wait_on_team(team_id id, int *retcode)
int
team_wait_on_team(team_id id, int *retcode)
{
struct team *p;
thread_id tid;
@ -255,7 +267,8 @@ int team_wait_on_team(team_id id, int *retcode)
}
struct team *team_get_team_struct(team_id id)
struct team *
team_get_team_struct(team_id id)
{
struct team *p;
int state;
@ -272,7 +285,8 @@ struct team *team_get_team_struct(team_id id)
}
struct team *team_get_team_struct_locked(team_id id)
struct team *
team_get_team_struct_locked(team_id id)
{
struct team_key key;
@ -281,7 +295,9 @@ struct team *team_get_team_struct_locked(team_id id)
return hash_lookup(team_hash, &key);
}
static int team_struct_compare(void *_p, const void *_key)
static int
team_struct_compare(void *_p, const void *_key)
{
struct team *p = _p;
const struct team_key *key = _key;
@ -290,47 +306,60 @@ static int team_struct_compare(void *_p, const void *_key)
else return 1;
}
static unsigned int team_struct_hash(void *_p, const void *_key, unsigned int range)
static unsigned int
team_struct_hash(void *_p, const void *_key, unsigned int range)
{
struct team *p = _p;
const struct team_key *key = _key;
if(p != NULL)
if (p != NULL)
return (p->id % range);
else
return (key->id % range);
return (key->id % range);
}
void team_remove_team_from_hash(struct team *team)
void
team_remove_team_from_hash(struct team *team)
{
hash_remove(team_hash, team);
}
struct team *team_get_kernel_team(void)
struct team *
team_get_kernel_team(void)
{
return kernel_team;
}
team_id team_get_kernel_team_id(void)
team_id
team_get_kernel_team_id(void)
{
if(!kernel_team)
if (!kernel_team)
return 0;
else
return kernel_team->id;
return kernel_team->id;
}
team_id team_get_current_team_id(void)
team_id
team_get_current_team_id(void)
{
return thread_get_current_thread()->team->id;
}
static struct team *create_team_struct(const char *name, bool kernel)
static struct team *
create_team_struct(const char *name, bool kernel)
{
struct team *p;
p = (struct team *)kmalloc(sizeof(struct team));
if(p == NULL)
if (p == NULL)
goto error;
p->id = atomic_add(&next_team_id, 1);
strncpy(&p->name[0], name, SYS_MAX_OS_NAME_LEN-1);
p->name[SYS_MAX_OS_NAME_LEN-1] = 0;
@ -348,7 +377,7 @@ static struct team *create_team_struct(const char *name, bool kernel)
p->death_sem = -1;
p->user_env_base = NULL;
if(arch_team_init_team_struct(p, kernel) < 0)
if (arch_team_init_team_struct(p, kernel) < 0)
goto error1;
return p;
@ -359,13 +388,16 @@ error:
return NULL;
}
static void delete_team_struct(struct team *p)
static void
delete_team_struct(struct team *p)
{
kfree(p);
}
static int get_arguments_data_size(char **args,int argc)
static int
get_arguments_data_size(char **args,int argc)
{
int cnt;
int tot_size = 0;
@ -377,7 +409,9 @@ static int get_arguments_data_size(char **args,int argc)
return tot_size + sizeof(struct uspace_prog_args_t);
}
static int team_create_team2(void *args)
static int
team_create_team2(void *args)
{
int err;
struct thread *t;
@ -470,7 +504,9 @@ static int team_create_team2(void *args)
return 0;
}
team_id team_create_team(const char *path, const char *name, char **args, int argc, char **envp, int envc, int priority)
team_id
team_create_team(const char *path, const char *name, char **args, int argc, char **envp, int envc, int priority)
{
struct team *p;
thread_id tid;
@ -483,7 +519,7 @@ team_id team_create_team(const char *path, const char *name, char **args, int ar
dprintf("team_create_team: entry '%s', name '%s' args = %p argc = %d\n", path, name, args, argc);
p = create_team_struct(name, false);
if(p == NULL)
if (p == NULL)
return ENOMEM;
pid = p->id;
@ -496,12 +532,12 @@ team_id team_create_team(const char *path, const char *name, char **args, int ar
// copy the args over
pargs = (struct team_arg *)kmalloc(sizeof(struct team_arg));
if(pargs == NULL){
if (pargs == NULL){
err = ENOMEM;
goto err1;
}
pargs->path = (char *)kstrdup(path);
if(pargs->path == NULL){
if (pargs->path == NULL){
err = ENOMEM;
goto err2;
}
@ -512,7 +548,7 @@ team_id team_create_team(const char *path, const char *name, char **args, int ar
// create a new ioctx for this team
p->ioctx = vfs_new_io_context(thread_get_current_thread()->team->ioctx);
if(!p->ioctx) {
if (!p->ioctx) {
err = ENOMEM;
goto err3;
}
@ -559,7 +595,9 @@ err1:
return err;
}
team_id user_team_create_team(const char *upath, const char *uname, char **args, int argc, char **envp, int envc, int priority)
team_id
user_team_create_team(const char *upath, const char *uname, char **args, int argc, char **envp, int envc, int priority)
{
char path[SYS_MAX_PATH_LEN];
char name[SYS_MAX_OS_NAME_LEN];
@ -606,7 +644,8 @@ error:
}
int team_kill_team(team_id id)
int
team_kill_team(team_id id)
{
int state;
struct team *p;
@ -762,19 +801,20 @@ err:
}
int user_setenv(const char *uname, const char *uvalue, int overwrite)
int
user_setenv(const char *uname, const char *uvalue, int overwrite)
{
char name[SYS_THREAD_STRING_LENGTH_MAX];
char value[SYS_THREAD_STRING_LENGTH_MAX];
int rc;
if((addr)uname >= KERNEL_BASE && (addr)uname <= KERNEL_TOP)
if ((addr)uname >= KERNEL_BASE && (addr)uname <= KERNEL_TOP)
return ERR_VM_BAD_USER_MEMORY;
if((addr)uvalue >= KERNEL_BASE && (addr)uvalue <= KERNEL_TOP)
if ((addr)uvalue >= KERNEL_BASE && (addr)uvalue <= KERNEL_TOP)
return ERR_VM_BAD_USER_MEMORY;
rc = user_strncpy(name, uname, SYS_THREAD_STRING_LENGTH_MAX-1);
if(rc < 0)
if (rc < 0)
return rc;
name[SYS_THREAD_STRING_LENGTH_MAX-1] = 0;
@ -788,7 +828,9 @@ int user_setenv(const char *uname, const char *uvalue, int overwrite)
return sys_setenv(name, value, overwrite);
}
int sys_setenv(const char *name, const char *value, int overwrite)
int
sys_setenv(const char *name, const char *value, int overwrite)
{
char var[SYS_THREAD_STRING_LENGTH_MAX];
int state;
@ -870,7 +912,9 @@ int sys_setenv(const char *name, const char *value, int overwrite)
return rc;
}
int user_getenv(const char *uname, char **uvalue)
int
user_getenv(const char *uname, char **uvalue)
{
char name[SYS_THREAD_STRING_LENGTH_MAX];
char *value;
@ -898,7 +942,9 @@ int user_getenv(const char *uname, char **uvalue)
return 0;
}
int sys_getenv(const char *name, char **value)
int
sys_getenv(const char *name, char **value)
{
char **envp;
char *p;