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Added means to search for threads in other containers

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Thread ids now contain their container ids in the top 2 nibbles.
Threads on other containers can be addressed by changing those
two nibbles. The addressing of inter-container threads are
subject to capabilities.
This commit is contained in:
Bahadir Balban
2009-11-04 20:56:57 +02:00
parent 516efccd99
commit d9520adb55
15 changed files with 91 additions and 37 deletions
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1
conts/libl4/include/l4lib/arch-arm/syscalls.h
View File

@@ -19,7 +19,6 @@ struct task_ids {
l4id_t tid;
l4id_t spid;
l4id_t tgid;
l4id_t cid;
};
static inline void *

6
conts/posix/mm0/include/task.h
View File

@@ -96,9 +96,9 @@ struct tcb {
char name[16];
/* Task ids */
int tid;
int spid;
int tgid;
l4id_t tid;
l4id_t spid;
l4id_t tgid;
/* Related task ids */
unsigned int pagerid; /* Task's pager */

2
conts/posix/mm0/main.c
View File

@@ -195,7 +195,7 @@ void handle_requests(void)
void main(void)
{
printf("\n%s: Started with thread id %d\n", __TASKNAME__, self_tid());
printf("\n%s: Started with thread id %x\n", __TASKNAME__, self_tid());
init();

12
conts/posix/mm0/mm/task.c
View File

@@ -446,7 +446,7 @@ int task_copy_args_to_user(char *user_stack,
{
char **argv_start, **envp_start;
BUG_ON((unsigned long)user_stack & 7);
BUG_ON(!is_aligned(user_stack, 8));
/* Copy argc */
*((int *)user_stack) = args->argc;
@@ -508,12 +508,18 @@ int task_map_stack(struct vm_file *f, struct exec_file_desc *efd,
struct tcb *task, struct args_struct *args,
struct args_struct *env)
{
/* First set up task's stack markers */
unsigned long stack_used = align_up(args->size + env->size + 8, 8);
unsigned long stack_used;
unsigned long arg_pages = __pfn(page_align_up(stack_used));
char *args_on_stack;
void *mapped;
/*
* Stack contains: args, environment, argc integer,
* 2 Null integers as terminators.
*
* It needs to be 8-byte aligned also.
*/
stack_used = align_up(args->size + env->size + sizeof(int) * 3 + 8, 8);
task->stack_end = __pfn_to_addr(cont_mem_regions.task->end);
task->stack_start = __pfn_to_addr(cont_mem_regions.task->end) - DEFAULT_STACK_SIZE;
task->args_end = task->stack_end;

2
conts/posix/test0/main.c
View File

@@ -31,7 +31,7 @@ l4id_t pagerid;
int main(int argc, char *argv[])
{
printf("\n%s: Started with thread id %d\n", __TASKNAME__, getpid());
printf("\n%s: Started with thread id %x\n", __TASKNAME__, getpid());
parent_of_all = getpid();

2
conts/posix/test0/src/test_exec/test_exec.c
View File

@@ -51,7 +51,7 @@ int main(int argc, char *argv[])
/* Compare two pid strings. We use strings because we dont have atoi() */
if (!strcmp(pidbuf, parent_of_all)) {
printf("EXECVE TEST -- PASSED --\n");
printf("\nThread (%d): Continues to sync with the pager...\n\n", getpid());
printf("\nThread (%x): Continues to sync with the pager...\n\n", getpid());
while (1)
wait_pager(pagerid);
}