URL https://opencores.org/ocsvn/or1k_old/or1k_old/trunk

Subversion Repositories or1k_old

[/] [or1k_old/] [trunk/] [uclinux/] [uClinux-2.0.x/] [kernel/] [fork.c] - Diff between revs 199 and 582

Go to most recent revision | Show entire file | Details | Blame | View Log

Rev 199	Rev 582
Line 304...	Line 304...
`int nr;`	`int nr;`
`int i;`	`int i;`
`int error = -ENOMEM;`	`int error = -ENOMEM;`
`unsigned long new_stack;`	`unsigned long new_stack;`
`struct task_struct *p;`	`struct task_struct *p;`
`printk("do_fork1\n");`
`p = (struct task_struct ) kmalloc(sizeof(p), GFP_KERNEL);`	`p = (struct task_struct ) kmalloc(sizeof(p), GFP_KERNEL);`
`if (!p)`	`if (!p)`
`goto bad_fork;`	`goto bad_fork;`
`printk("do_fork2\n");`
`new_stack = alloc_kernel_stack();`	`new_stack = alloc_kernel_stack();`
`if (!new_stack)`	`if (!new_stack)`
`goto bad_fork_free_p;`	`goto bad_fork_free_p;`
`printk("do_fork3\n");`
`error = -EAGAIN;`	`error = -EAGAIN;`
`nr = find_empty_process();`	`nr = find_empty_process();`
`if (nr < 0)`	`if (nr < 0)`
`goto bad_fork_free_stack;`	`goto bad_fork_free_stack;`

`printk("do_fork4\n");`
`p = current;`	`p = current;`

`if (p->exec_domain && p->exec_domain->use_count)`	`if (p->exec_domain && p->exec_domain->use_count)`
`(*p->exec_domain->use_count)++;`	`(*p->exec_domain->use_count)++;`
`if (p->binfmt && p->binfmt->use_count)`	`if (p->binfmt && p->binfmt->use_count)`
Line 363...	Line 362...

`error = -ENOMEM;`	`error = -ENOMEM;`
`/* copy all the process information */`	`/* copy all the process information */`
`if (copy_files(clone_flags, p))`	`if (copy_files(clone_flags, p))`
`goto bad_fork_cleanup;`	`goto bad_fork_cleanup;`
`printk("do_fork5\n");`
`if (copy_fs(clone_flags, p))`	`if (copy_fs(clone_flags, p))`
`goto bad_fork_cleanup_files;`	`goto bad_fork_cleanup_files;`
`printk("do_fork6\n");`
`if (copy_sighand(clone_flags, p))`	`if (copy_sighand(clone_flags, p))`
`goto bad_fork_cleanup_fs;`	`goto bad_fork_cleanup_fs;`
`printk("do_fork7\n");`
`if (copy_mm(clone_flags, p))`	`if (copy_mm(clone_flags, p))`
`goto bad_fork_cleanup_sighand;`	`goto bad_fork_cleanup_sighand;`
`printk("do_fork8\n");`
`copy_thread(nr, clone_flags, usp, p, regs);`	`copy_thread(nr, clone_flags, usp, p, regs);`
`p->semundo = NULL;`	`p->semundo = NULL;`

`/* ok, now we should be set up.. */`	`/* ok, now we should be set up.. */`
`p->swappable = 1;`	`p->swappable = 1;`
Line 387...	Line 386...
`#ifdef NO_MM`	`#ifdef NO_MM`
`if (clone_flags & CLONE_WAIT) {`	`if (clone_flags & CLONE_WAIT) {`
`sleep_on(&current->mm->vforkwait);`	`sleep_on(&current->mm->vforkwait);`
`}`	`}`
`#endif /NO_MM/`	`#endif /NO_MM/`
`printk("do_fork9\n");`
`return p->pid;`	`return p->pid;`

`bad_fork_cleanup_sighand:`	`bad_fork_cleanup_sighand:`
`exit_sighand(p);`	`exit_sighand(p);`
`bad_fork_cleanup_fs:`	`bad_fork_cleanup_fs:`

Browse

Tools

Subversion Repositories or1k_old

[/] [or1k_old/] [trunk/] [uclinux/] [uClinux-2.0.x/] [kernel/] [fork.c] - Diff between revs 199 and 582