From 682f23e7bb4a52bedf46eff5c4859e1308eda124 Mon Sep 17 00:00:00 2001 From: Michał Cichoń Date: Tue, 25 Aug 2015 19:56:24 +0200 Subject: Update build ref --- pthreads/src/create.c | 308 -------------------------------------------------- 1 file changed, 308 deletions(-) delete mode 100644 pthreads/src/create.c (limited to 'pthreads/src/create.c') diff --git a/pthreads/src/create.c b/pthreads/src/create.c deleted file mode 100644 index e154185..0000000 --- a/pthreads/src/create.c +++ /dev/null @@ -1,308 +0,0 @@ -/* - * create.c - * - * Description: - * This translation unit implements routines associated with spawning a new - * thread. - * - * -------------------------------------------------------------------------- - * - * Pthreads-win32 - POSIX Threads Library for Win32 - * Copyright(C) 1998 John E. Bossom - * Copyright(C) 1999,2005 Pthreads-win32 contributors - * - * Contact Email: rpj@callisto.canberra.edu.au - * - * The current list of contributors is contained - * in the file CONTRIBUTORS included with the source - * code distribution. The list can also be seen at the - * following World Wide Web location: - * http://sources.redhat.com/pthreads-win32/contributors.html - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library in the file COPYING.LIB; - * if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA - */ - -#include "pthread.h" -#include "implement.h" -#if ! defined(_UWIN) && ! defined(WINCE) -#include -#endif - -int -pthread_create (pthread_t * tid, - const pthread_attr_t * attr, - void *(*start) (void *), void *arg) - /* - * ------------------------------------------------------ - * DOCPUBLIC - * This function creates a thread running the start function, - * passing it the parameter value, 'arg'. The 'attr' - * argument specifies optional creation attributes. - * The identity of the new thread is returned - * via 'tid', which should not be NULL. - * - * PARAMETERS - * tid - * pointer to an instance of pthread_t - * - * attr - * optional pointer to an instance of pthread_attr_t - * - * start - * pointer to the starting routine for the new thread - * - * arg - * optional parameter passed to 'start' - * - * - * DESCRIPTION - * This function creates a thread running the start function, - * passing it the parameter value, 'arg'. The 'attr' - * argument specifies optional creation attributes. - * The identity of the new thread is returned - * via 'tid', which should not be the NULL pointer. - * - * RESULTS - * 0 successfully created thread, - * EINVAL attr invalid, - * EAGAIN insufficient resources. - * - * ------------------------------------------------------ - */ -{ - pthread_t thread; - ptw32_thread_t * tp; - register pthread_attr_t a; - HANDLE threadH = 0; - int result = EAGAIN; - int run = PTW32_TRUE; - ThreadParms *parms = NULL; - unsigned int stackSize; - int priority; - pthread_t self; - - /* - * Before doing anything, check that tid can be stored through - * without invoking a memory protection error (segfault). - * Make sure that the assignment below can't be optimised out by the compiler. - * This is assured by conditionally assigning *tid again at the end. - */ - tid->x = 0; - - if (attr != NULL) - { - a = *attr; - } - else - { - a = NULL; - } - - if ((thread = ptw32_new ()).p == NULL) - { - goto FAIL0; - } - - tp = (ptw32_thread_t *) thread.p; - - priority = tp->sched_priority; - - if ((parms = (ThreadParms *) malloc (sizeof (*parms))) == NULL) - { - goto FAIL0; - } - - parms->tid = thread; - parms->start = start; - parms->arg = arg; - -#if defined(HAVE_SIGSET_T) - - /* - * Threads inherit their initial sigmask from their creator thread. - */ - self = pthread_self(); - tp->sigmask = ((ptw32_thread_t *)self.p)->sigmask; - -#endif /* HAVE_SIGSET_T */ - - - if (a != NULL) - { - stackSize = (unsigned int)a->stacksize; - tp->detachState = a->detachstate; - priority = a->param.sched_priority; - -#if (THREAD_PRIORITY_LOWEST > THREAD_PRIORITY_NORMAL) - /* WinCE */ -#else - /* Everything else */ - - /* - * Thread priority must be set to a valid system level - * without altering the value set by pthread_attr_setschedparam(). - */ - - /* - * PTHREAD_EXPLICIT_SCHED is the default because Win32 threads - * don't inherit their creator's priority. They are started with - * THREAD_PRIORITY_NORMAL (win32 value). The result of not supplying - * an 'attr' arg to pthread_create() is equivalent to defaulting to - * PTHREAD_EXPLICIT_SCHED and priority THREAD_PRIORITY_NORMAL. - */ - if (PTHREAD_INHERIT_SCHED == a->inheritsched) - { - /* - * If the thread that called pthread_create() is a Win32 thread - * then the inherited priority could be the result of a temporary - * system adjustment. This is not the case for POSIX threads. - */ -#if ! defined(HAVE_SIGSET_T) - self = pthread_self (); -#endif - priority = ((ptw32_thread_t *) self.p)->sched_priority; - } - -#endif - - } - else - { - /* - * Default stackSize - */ - stackSize = PTHREAD_STACK_MIN; - } - - tp->state = run ? PThreadStateInitial : PThreadStateSuspended; - - tp->keys = NULL; - - /* - * Threads must be started in suspended mode and resumed if necessary - * after _beginthreadex returns us the handle. Otherwise we set up a - * race condition between the creating and the created threads. - * Note that we also retain a local copy of the handle for use - * by us in case thread.p->threadH gets NULLed later but before we've - * finished with it here. - */ - -#if ! (defined (__MINGW64__) || defined(__MINGW32__)) || defined (__MSVCRT__) || defined (__DMC__) - - tp->threadH = - threadH = - (HANDLE) _beginthreadex ((void *) NULL, /* No security info */ - stackSize, /* default stack size */ - ptw32_threadStart, - parms, - (unsigned) - CREATE_SUSPENDED, - (unsigned *) &(tp->thread)); - - if (threadH != 0) - { - if (a != NULL) - { - (void) ptw32_setthreadpriority (thread, SCHED_OTHER, priority); - } - - if (run) - { - ResumeThread (threadH); - } - } - -#else - - { - ptw32_mcs_local_node_t stateLock; - - /* - * This lock will force pthread_threadStart() to wait until we have - * the thread handle and have set the priority. - */ - ptw32_mcs_lock_acquire(&tp->stateLock, &stateLock); - - tp->threadH = - threadH = - (HANDLE) _beginthread (ptw32_threadStart, stackSize, /* default stack size */ - parms); - - /* - * Make the return code match _beginthreadex's. - */ - if (threadH == (HANDLE) - 1L) - { - tp->threadH = threadH = 0; - } - else - { - if (!run) - { - /* - * beginthread does not allow for create flags, so we do it now. - * Note that beginthread itself creates the thread in SUSPENDED - * mode, and then calls ResumeThread to start it. - */ - SuspendThread (threadH); - } - - if (a != NULL) - { - (void) ptw32_setthreadpriority (thread, SCHED_OTHER, priority); - } - } - - ptw32_mcs_lock_release (&stateLock); - } -#endif - - result = (threadH != 0) ? 0 : EAGAIN; - - /* - * Fall Through Intentionally - */ - - /* - * ------------ - * Failure Code - * ------------ - */ - -FAIL0: - if (result != 0) - { - - ptw32_threadDestroy (thread); - tp = NULL; - - if (parms != NULL) - { - free (parms); - } - } - else - { - *tid = thread; - } - -#if defined(_UWIN) - if (result == 0) - pthread_count++; -#endif - return (result); - -} /* pthread_create */ -- cgit v1.2.3