diff options
Diffstat (limited to 'nsprpub/pr/src/md/unix/unixware.c')
| -rw-r--r-- | nsprpub/pr/src/md/unix/unixware.c | 218 |
1 files changed, 113 insertions, 105 deletions
diff --git a/nsprpub/pr/src/md/unix/unixware.c b/nsprpub/pr/src/md/unix/unixware.c index 638af5f2e3..d6958558b2 100644 --- a/nsprpub/pr/src/md/unix/unixware.c +++ b/nsprpub/pr/src/md/unix/unixware.c @@ -20,7 +20,7 @@ void _MD_EarlyInit(void) PRWord *_MD_HomeGCRegisters(PRThread *t, int isCurrent, int *np) { if (isCurrent) { - (void) setjmp(CONTEXT(t)); + (void) setjmp(CONTEXT(t)); } *np = sizeof(CONTEXT(t)) / sizeof(PRWord); return (PRWord *) CONTEXT(t); @@ -29,7 +29,7 @@ PRWord *_MD_HomeGCRegisters(PRThread *t, int isCurrent, int *np) #ifdef ALARMS_BREAK_TCP /* I don't think they do */ PRInt32 _MD_connect(PRInt32 osfd, const PRNetAddr *addr, PRInt32 addrlen, - PRIntervalTime timeout) + PRIntervalTime timeout) { PRInt32 rv; @@ -39,7 +39,7 @@ PRInt32 _MD_connect(PRInt32 osfd, const PRNetAddr *addr, PRInt32 addrlen, } PRInt32 _MD_accept(PRInt32 osfd, PRNetAddr *addr, PRInt32 addrlen, - PRIntervalTime timeout) + PRIntervalTime timeout) { PRInt32 rv; @@ -64,8 +64,9 @@ void _MD_INIT_ATOMIC(void) { /* Sigh. Sure wish SYSV semaphores weren't such a pain to use */ - if ((_uw_semf = tmpfile()) == NULL) + if ((_uw_semf = tmpfile()) == NULL) { PR_ASSERT(0); + } return; } @@ -112,7 +113,7 @@ _MD_SET_PRIORITY(_MDThread *thread, PRUintn newPri) PRStatus _MD_InitializeThread(PRThread *thread) { - return PR_SUCCESS; + return PR_SUCCESS; } PRStatus @@ -127,7 +128,7 @@ PRStatus _MD_WAKEUP_WAITER(PRThread *thread) { if (thread) { - PR_ASSERT(!(thread->flags & _PR_GLOBAL_SCOPE)); + PR_ASSERT(!(thread->flags & _PR_GLOBAL_SCOPE)); } return PR_SUCCESS; } @@ -230,30 +231,31 @@ void _MD_EarlyInit(void) sigaddset(&set, SIGALRM); } -PRStatus _MD_CREATE_THREAD(PRThread *thread, - void (*start)(void *), - PRThreadPriority priority, - PRThreadScope scope, - PRThreadState state, - PRUint32 stackSize) +PRStatus _MD_CREATE_THREAD(PRThread *thread, + void (*start)(void *), + PRThreadPriority priority, + PRThreadScope scope, + PRThreadState state, + PRUint32 stackSize) { - long flags; - + long flags; + /* mask out SIGALRM for native thread creation */ - thr_sigsetmask(SIG_BLOCK, &set, &oldset); + thr_sigsetmask(SIG_BLOCK, &set, &oldset); - flags = (state == PR_JOINABLE_THREAD ? THR_SUSPENDED/*|THR_NEW_LWP*/ - : THR_SUSPENDED|THR_DETACHED/*|THR_NEW_LWP*/); - if (_PR_IS_GCABLE_THREAD(thread) || - (scope == PR_GLOBAL_BOUND_THREAD)) - flags |= THR_BOUND; + flags = (state == PR_JOINABLE_THREAD ? THR_SUSPENDED/*|THR_NEW_LWP*/ + : THR_SUSPENDED|THR_DETACHED/*|THR_NEW_LWP*/); + if (_PR_IS_GCABLE_THREAD(thread) || + (scope == PR_GLOBAL_BOUND_THREAD)) { + flags |= THR_BOUND; + } if (thr_create(NULL, thread->stack->stackSize, - (void *(*)(void *)) start, (void *) thread, - flags, - &thread->md.handle)) { - thr_sigsetmask(SIG_SETMASK, &oldset, NULL); - return PR_FAILURE; + (void *(*)(void *)) start, (void *) thread, + flags, + &thread->md.handle)) { + thr_sigsetmask(SIG_SETMASK, &oldset, NULL); + return PR_FAILURE; } @@ -262,34 +264,34 @@ PRStatus _MD_CREATE_THREAD(PRThread *thread, * its register state is initialized properly for GC */ thread->md.lwpid = -1; - thr_sigsetmask(SIG_SETMASK, &oldset, NULL); + thr_sigsetmask(SIG_SETMASK, &oldset, NULL); _MD_NEW_SEM(&thread->md.waiter_sem, 0); - if ((scope == PR_GLOBAL_THREAD) || (scope == PR_GLOBAL_BOUND_THREAD)) { - thread->flags |= _PR_GLOBAL_SCOPE; + if ((scope == PR_GLOBAL_THREAD) || (scope == PR_GLOBAL_BOUND_THREAD)) { + thread->flags |= _PR_GLOBAL_SCOPE; } - /* - ** Set the thread priority. This will also place the thread on + /* + ** Set the thread priority. This will also place the thread on ** the runQ. ** ** Force PR_SetThreadPriority to set the priority by ** setting thread->priority to 100. */ { - int pri; - pri = thread->priority; - thread->priority = 100; - PR_SetThreadPriority( thread, pri ); - - PR_LOG(_pr_thread_lm, PR_LOG_MIN, - ("(0X%x)[Start]: on to runq at priority %d", - thread, thread->priority)); + int pri; + pri = thread->priority; + thread->priority = 100; + PR_SetThreadPriority( thread, pri ); + + PR_LOG(_pr_thread_lm, PR_LOG_MIN, + ("(0X%x)[Start]: on to runq at priority %d", + thread, thread->priority)); } /* Activate the thread */ if (thr_continue( thread->md.handle ) ) { - return PR_FAILURE; + return PR_FAILURE; } return PR_SUCCESS; } @@ -301,7 +303,7 @@ void _MD_cleanup_thread(PRThread *thread) hdl = thread->md.handle; - /* + /* ** First, suspend the thread (unless it's the active one) ** Because we suspend it first, we don't have to use LOCK_SCHEDULER to ** prevent both of us modifying the thread structure at the same time. @@ -310,17 +312,17 @@ void _MD_cleanup_thread(PRThread *thread) thr_suspend(hdl); } PR_LOG(_pr_thread_lm, PR_LOG_MIN, - ("(0X%x)[DestroyThread]\n", thread)); + ("(0X%x)[DestroyThread]\n", thread)); _MD_DESTROY_SEM(&thread->md.waiter_sem); } void _MD_SET_PRIORITY(_MDThread *md_thread, PRUintn newPri) { - if(thr_setprio((thread_t)md_thread->handle, newPri)) { - PR_LOG(_pr_thread_lm, PR_LOG_MIN, - ("_PR_SetThreadPriority: can't set thread priority\n")); - } + if(thr_setprio((thread_t)md_thread->handle, newPri)) { + PR_LOG(_pr_thread_lm, PR_LOG_MIN, + ("_PR_SetThreadPriority: can't set thread priority\n")); + } } void _MD_WAIT_CV( @@ -373,18 +375,18 @@ PRThread *_pr_current_thread_tls() PRStatus _MD_WAIT(PRThread *thread, PRIntervalTime ticks) { - _MD_WAIT_SEM(&thread->md.waiter_sem); - return PR_SUCCESS; + _MD_WAIT_SEM(&thread->md.waiter_sem); + return PR_SUCCESS; } PRStatus _MD_WAKEUP_WAITER(PRThread *thread) { - if (thread == NULL) { - return PR_SUCCESS; - } - _MD_POST_SEM(&thread->md.waiter_sem); - return PR_SUCCESS; + if (thread == NULL) { + return PR_SUCCESS; + } + _MD_POST_SEM(&thread->md.waiter_sem); + return PR_SUCCESS; } _PRCPU *_pr_current_cpu_tls() @@ -412,39 +414,40 @@ void _MD_INIT_IO (void) PRStatus _MD_InitializeThread(PRThread *thread) { - if (!_PR_IS_NATIVE_THREAD(thread)) + if (!_PR_IS_NATIVE_THREAD(thread)) { return; - /* prime the sp; substract 4 so we don't hit the assert that - * curr sp > base_stack - */ + } + /* prime the sp; substract 4 so we don't hit the assert that + * curr sp > base_stack + */ thread->md.sp = (uint_t) thread->stack->allocBase - sizeof(long); thread->md.lwpid = _lwp_self(); thread->md.handle = THR_SELF(); - /* all threads on Solaris are global threads from NSPR's perspective - * since all of them are mapped to Solaris threads. - */ + /* all threads on Solaris are global threads from NSPR's perspective + * since all of them are mapped to Solaris threads. + */ thread->flags |= _PR_GLOBAL_SCOPE; - /* For primordial/attached thread, we don't create an underlying native thread. - * So, _MD_CREATE_THREAD() does not get called. We need to do initialization - * like allocating thread's synchronization variables and set the underlying - * native thread's priority. - */ - if (thread->flags & (_PR_PRIMORDIAL | _PR_ATTACHED)) { - _MD_NEW_SEM(&thread->md.waiter_sem, 0); - _MD_SET_PRIORITY(&(thread->md), thread->priority); - } - return PR_SUCCESS; -} - -static sigset_t old_mask; /* store away original gc thread sigmask */ -static int gcprio; /* store away original gc thread priority */ -static lwpid_t *all_lwps=NULL; /* list of lwps that we suspended */ + /* For primordial/attached thread, we don't create an underlying native thread. + * So, _MD_CREATE_THREAD() does not get called. We need to do initialization + * like allocating thread's synchronization variables and set the underlying + * native thread's priority. + */ + if (thread->flags & (_PR_PRIMORDIAL | _PR_ATTACHED)) { + _MD_NEW_SEM(&thread->md.waiter_sem, 0); + _MD_SET_PRIORITY(&(thread->md), thread->priority); + } + return PR_SUCCESS; +} + +static sigset_t old_mask; /* store away original gc thread sigmask */ +static int gcprio; /* store away original gc thread priority */ +static lwpid_t *all_lwps=NULL; /* list of lwps that we suspended */ static int num_lwps ; static int suspendAllOn = 0; -#define VALID_SP(sp, bottom, top) \ +#define VALID_SP(sp, bottom, top) \ (((uint_t)(sp)) > ((uint_t)(bottom)) && ((uint_t)(sp)) < ((uint_t)(top))) void unixware_preempt_off() @@ -456,7 +459,7 @@ void unixware_preempt_off() void unixware_preempt_on() { - sigprocmask (SIG_SETMASK, &old_mask, NULL); + sigprocmask (SIG_SETMASK, &old_mask, NULL); } void _MD_Begin_SuspendAll() @@ -466,7 +469,7 @@ void _MD_Begin_SuspendAll() PR_LOG(_pr_gc_lm, PR_LOG_ALWAYS, ("Begin_SuspendAll\n")); /* run at highest prio so I cannot be preempted */ thr_getprio(thr_self(), &gcprio); - thr_setprio(thr_self(), 0x7fffffff); + thr_setprio(thr_self(), 0x7fffffff); suspendAllOn = 1; } @@ -484,55 +487,60 @@ void _MD_End_ResumeAll() void _MD_Suspend(PRThread *thr) { - int lwp_fd, result; - int lwp_main_proc_fd = 0; + int lwp_fd, result; + int lwp_main_proc_fd = 0; thr_suspend(thr->md.handle); - if (!_PR_IS_GCABLE_THREAD(thr)) - return; + if (!_PR_IS_GCABLE_THREAD(thr)) { + return; + } /* XXX Primordial thread can't be bound to an lwp, hence there is no * way we can assume that we can get the lwp status for primordial * thread reliably. Hence we skip this for primordial thread, hoping - * that the SP is saved during lock and cond. wait. + * that the SP is saved during lock and cond. wait. * XXX - Again this is concern only for java interpreter, not for the * server, 'cause primordial thread in the server does not do java work */ - if (thr->flags & _PR_PRIMORDIAL) - return; + if (thr->flags & _PR_PRIMORDIAL) { + return; + } /* if the thread is not started yet then don't do anything */ - if (!suspendAllOn || thr->md.lwpid == -1) - return; + if (!suspendAllOn || thr->md.lwpid == -1) { + return; + } } void _MD_Resume(PRThread *thr) { - if (!_PR_IS_GCABLE_THREAD(thr) || !suspendAllOn){ - /*XXX When the suspendAllOn is set, we will be trying to do lwp_suspend - * during that time we can't call any thread lib or libc calls. Hence - * make sure that no resume is requested for Non gcable thread - * during suspendAllOn */ - PR_ASSERT(!suspendAllOn); - thr_continue(thr->md.handle); - return; - } - if (thr->md.lwpid == -1) - return; - - if ( _lwp_continue(thr->md.lwpid) < 0) { - PR_ASSERT(0); /* ARGH, we are hosed! */ - } + if (!_PR_IS_GCABLE_THREAD(thr) || !suspendAllOn) { + /*XXX When the suspendAllOn is set, we will be trying to do lwp_suspend + * during that time we can't call any thread lib or libc calls. Hence + * make sure that no resume is requested for Non gcable thread + * during suspendAllOn */ + PR_ASSERT(!suspendAllOn); + thr_continue(thr->md.handle); + return; + } + if (thr->md.lwpid == -1) { + return; + } + + if ( _lwp_continue(thr->md.lwpid) < 0) { + PR_ASSERT(0); /* ARGH, we are hosed! */ + } } PRWord *_MD_HomeGCRegisters(PRThread *t, int isCurrent, int *np) { if (isCurrent) { - (void) getcontext(CONTEXT(t)); /* XXX tune me: set md_IRIX.c */ + (void) getcontext(CONTEXT(t)); /* XXX tune me: set md_IRIX.c */ } *np = NGREG; - if (t->md.lwpid == -1) - memset(&t->md.context.uc_mcontext.gregs[0], 0, NGREG * sizeof(PRWord)); + if (t->md.lwpid == -1) { + memset(&t->md.context.uc_mcontext.gregs[0], 0, NGREG * sizeof(PRWord)); + } return (PRWord*) &t->md.context.uc_mcontext.gregs[0]; } @@ -540,7 +548,7 @@ int _pr_unixware_clock_gettime (struct timespec *tp) { struct timeval tv; - + gettimeofday(&tv, NULL); tp->tv_sec = tv.tv_sec; tp->tv_nsec = tv.tv_usec * 1000; |