sambuc/codezero
1
0
Fork 0
mirror of https://github.com/drasko/codezero.git synced 2026-07-20 06:05:24 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity

Added thread group identification to c0 and libl4

Browse Source 
tgid will be used when threads will be created in same address space.
This commit is contained in:
Bahadir Balban
2008-09-09 15:39:56 +03:00
parent 89d774f7fa
commit 002fe79a54
6 changed files with 17 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
include/l4/generic/tcb.h
View File

@@ -51,6 +51,7 @@ typedef struct arm_context {
struct task_ids { struct task_ids {
l4id_t tid; l4id_t tid;
l4id_t spid; l4id_t spid;
l4id_t tgid;
}; };
struct ktcb { struct ktcb {
@@ -70,6 +71,7 @@ struct ktcb {
/* Thread information */ /* Thread information */
l4id_t tid; /* Global thread id */ l4id_t tid; /* Global thread id */
l4id_t spid; /* Global space id */ l4id_t spid; /* Global space id */
l4id_t tgid; /* Global thread group id */
/* Flags to hint scheduler on future task state */ /* Flags to hint scheduler on future task state */
unsigned int schedfl; unsigned int schedfl;
@@ -140,14 +142,17 @@ static inline void set_task_ids(struct ktcb *task, struct task_ids *ids)
{ {
task->tid = ids->tid; task->tid = ids->tid;
task->spid = ids->spid; task->spid = ids->spid;
task->tgid = ids->tgid;
} }
#define THREAD_IDS_MAX 1024 #define THREAD_IDS_MAX 1024
#define SPACE_IDS_MAX 1024 #define SPACE_IDS_MAX 1024
#define TGROUP_IDS_MAX 1024
extern struct id_pool *thread_id_pool; extern struct id_pool *thread_id_pool;
extern struct id_pool *space_id_pool; extern struct id_pool *space_id_pool;
extern struct id_pool *tgroup_id_pool;
#endif /* __TCB_H__ */ #endif /* __TCB_H__ */

2
src/api/syscall.c
View File

@@ -71,6 +71,8 @@ int sys_getid(syscall_context_t *regs)
ids->tid = this->tid; ids->tid = this->tid;
ids->spid = this->spid; ids->spid = this->spid;
ids->tgid = this->tgid;
return 0; return 0;
} }

6
src/api/thread.c
View File

@@ -175,6 +175,12 @@ out:
if ((ids->spid = id_get(space_id_pool, if ((ids->spid = id_get(space_id_pool,
ids->spid)) < 0) ids->spid)) < 0)
ids->spid = id_new(space_id_pool); ids->spid = id_new(space_id_pool);
/* It also gets a thread group id */
if ((ids->tgid = id_get(tgroup_id_pool,
ids->tgid)) < 0)
ids->tgid = id_new(tgroup_id_pool);
} }
/* Set all ids */ /* Set all ids */

1
src/generic/tcb.c
View File

@@ -10,6 +10,7 @@
/* ID pools for threads and spaces. */ /* ID pools for threads and spaces. */
struct id_pool *thread_id_pool; struct id_pool *thread_id_pool;
struct id_pool *space_id_pool; struct id_pool *space_id_pool;
struct id_pool *tgroup_id_pool;
/* Hash table for all existing tasks */ /* Hash table for all existing tasks */
struct list_head global_task_list; struct list_head global_task_list;

2
src/glue/arm/init.c
View File

@@ -331,8 +331,10 @@ void init_tasks()
/* Initialise thread and space id pools */ /* Initialise thread and space id pools */
thread_id_pool = id_pool_new_init(THREAD_IDS_MAX); thread_id_pool = id_pool_new_init(THREAD_IDS_MAX);
space_id_pool = id_pool_new_init(SPACE_IDS_MAX); space_id_pool = id_pool_new_init(SPACE_IDS_MAX);
tgroup_id_pool = id_pool_new_init(TGROUP_IDS_MAX);
ids.tid = id_new(thread_id_pool); ids.tid = id_new(thread_id_pool);
ids.spid = id_new(space_id_pool); ids.spid = id_new(space_id_pool);
ids.tgid = id_new(tgroup_id_pool);
/* Initialise the global task list head */ /* Initialise the global task list head */
INIT_LIST_HEAD(&global_task_list); INIT_LIST_HEAD(&global_task_list);

1
tasks/libl4/include/l4lib/arch-arm/types.h
View File

@@ -5,6 +5,7 @@
struct task_ids { struct task_ids {
int tid; int tid;
int spid; int spid;
int tgid;
}; };
#include <l4/arch/arm/types.h> #include <l4/arch/arm/types.h>