diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-02-12 13:08:57 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2009-02-12 13:08:57 +0100 |
commit | 871cafcc962fa1655c44b4f0e54d4c5cc14e273c (patch) | |
tree | fdb7bc65d2606c85b7be6c33ba0dfd5b4e472245 /kernel/fork.c | |
parent | cf2592f59c0e8ed4308adbdb2e0a88655379d579 (diff) | |
parent | b578f3fcca1e78624dfb5f358776e63711d7fda2 (diff) | |
download | linux-stable-871cafcc962fa1655c44b4f0e54d4c5cc14e273c.tar.gz linux-stable-871cafcc962fa1655c44b4f0e54d4c5cc14e273c.tar.bz2 linux-stable-871cafcc962fa1655c44b4f0e54d4c5cc14e273c.zip |
Merge branch 'linus' into core/softlockup
Diffstat (limited to 'kernel/fork.c')
-rw-r--r-- | kernel/fork.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index bf582f75014b..3b5dcf9a66aa 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -820,17 +820,17 @@ static void posix_cpu_timers_init_group(struct signal_struct *sig) static int copy_signal(unsigned long clone_flags, struct task_struct *tsk) { struct signal_struct *sig; - int ret; if (clone_flags & CLONE_THREAD) { - ret = thread_group_cputime_clone_thread(current); - if (likely(!ret)) { - atomic_inc(¤t->signal->count); - atomic_inc(¤t->signal->live); - } - return ret; + atomic_inc(¤t->signal->count); + atomic_inc(¤t->signal->live); + return 0; } sig = kmem_cache_alloc(signal_cachep, GFP_KERNEL); + + if (sig) + posix_cpu_timers_init_group(sig); + tsk->signal = sig; if (!sig) return -ENOMEM; @@ -854,21 +854,20 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk) sig->tty_old_pgrp = NULL; sig->tty = NULL; - sig->cutime = sig->cstime = cputime_zero; + sig->utime = sig->stime = sig->cutime = sig->cstime = cputime_zero; sig->gtime = cputime_zero; sig->cgtime = cputime_zero; sig->nvcsw = sig->nivcsw = sig->cnvcsw = sig->cnivcsw = 0; sig->min_flt = sig->maj_flt = sig->cmin_flt = sig->cmaj_flt = 0; sig->inblock = sig->oublock = sig->cinblock = sig->coublock = 0; task_io_accounting_init(&sig->ioac); + sig->sum_sched_runtime = 0; taskstats_tgid_init(sig); task_lock(current->group_leader); memcpy(sig->rlim, current->signal->rlim, sizeof sig->rlim); task_unlock(current->group_leader); - posix_cpu_timers_init_group(sig); - acct_init_pacct(&sig->pacct); tty_audit_fork(sig); @@ -904,7 +903,7 @@ static void copy_flags(unsigned long clone_flags, struct task_struct *p) clear_freeze_flag(p); } -asmlinkage long sys_set_tid_address(int __user *tidptr) +SYSCALL_DEFINE1(set_tid_address, int __user *, tidptr) { current->clear_child_tid = tidptr; @@ -1010,6 +1009,7 @@ static struct task_struct *copy_process(unsigned long clone_flags, * triggers too late. This doesn't hurt, the check is only there * to stop root fork bombs. */ + retval = -EAGAIN; if (nr_threads >= max_threads) goto bad_fork_cleanup_count; @@ -1093,7 +1093,7 @@ static struct task_struct *copy_process(unsigned long clone_flags, #ifdef CONFIG_DEBUG_MUTEXES p->blocked_on = NULL; /* not blocked yet */ #endif - if (unlikely(ptrace_reparented(current))) + if (unlikely(current->ptrace)) ptrace_fork(p, clone_flags); /* Perform scheduler related setup. Assign this task to a CPU. */ @@ -1601,7 +1601,7 @@ static int unshare_fd(unsigned long unshare_flags, struct files_struct **new_fdp * constructed. Here we are modifying the current, active, * task_struct. */ -asmlinkage long sys_unshare(unsigned long unshare_flags) +SYSCALL_DEFINE1(unshare, unsigned long, unshare_flags) { int err = 0; struct fs_struct *fs, *new_fs = NULL; |