From ba8f85b49c38af7bc2a9acdef5dcde2de008d25e Mon Sep 17 00:00:00 2001 From: peter Date: Sat, 12 Jul 2008 05:00:28 +0000 Subject: Flatten bind9 vendor work area --- lib/isc/pthreads/thread.c | 76 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 lib/isc/pthreads/thread.c (limited to 'lib/isc/pthreads/thread.c') diff --git a/lib/isc/pthreads/thread.c b/lib/isc/pthreads/thread.c new file mode 100644 index 0000000..bdbb593 --- /dev/null +++ b/lib/isc/pthreads/thread.c @@ -0,0 +1,76 @@ +/* + * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2000, 2001, 2003 Internet Software Consortium. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: thread.c,v 1.12.18.3 2005/04/29 00:17:05 marka Exp $ */ + +/*! \file */ + +#include + +#include +#include + +#ifndef THREAD_MINSTACKSIZE +#define THREAD_MINSTACKSIZE (64U * 1024) +#endif + +isc_result_t +isc_thread_create(isc_threadfunc_t func, isc_threadarg_t arg, + isc_thread_t *thread) +{ + pthread_attr_t attr; + size_t stacksize; + int ret; + + pthread_attr_init(&attr); + +#if defined(HAVE_PTHREAD_ATTR_GETSTACKSIZE) && \ + defined(HAVE_PTHREAD_ATTR_SETSTACKSIZE) + ret = pthread_attr_getstacksize(&attr, &stacksize); + if (ret != 0) + return (ISC_R_UNEXPECTED); + + if (stacksize < THREAD_MINSTACKSIZE) { + ret = pthread_attr_setstacksize(&attr, THREAD_MINSTACKSIZE); + if (ret != 0) + return (ISC_R_UNEXPECTED); + } +#endif + +#if defined(PTHREAD_SCOPE_SYSTEM) && defined(NEED_PTHREAD_SCOPE_SYSTEM) + ret = pthread_attr_setscope(&attr, PTHREAD_SCOPE_SYSTEM); + if (ret != 0) + return (ISC_R_UNEXPECTED); +#endif + + ret = pthread_create(thread, &attr, func, arg); + if (ret != 0) + return (ISC_R_UNEXPECTED); + + pthread_attr_destroy(&attr); + + return (ISC_R_SUCCESS); +} + +void +isc_thread_setconcurrency(unsigned int level) { +#if defined(CALL_PTHREAD_SETCONCURRENCY) + (void)pthread_setconcurrency(level); +#else + UNUSED(level); +#endif +} -- cgit v1.1