Mercurial > ecos
diff packages/compat/posix/current/src/misc.cxx @ 115:6ed91473a1cd ecos-sw-2000-08-21
Merge from eCos master repository on 2000-08-21-22:40:54-BST
| author | jlarmour |
|---|---|
| date | Fri, 25 Aug 2000 17:32:38 +0000 |
| parents | |
| children | 6bd9d475ed4b |
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new file mode 100644 --- /dev/null +++ b/packages/compat/posix/current/src/misc.cxx @@ -0,0 +1,320 @@ +//========================================================================== +// +// misc.cxx +// +// POSIX misc function implementations +// +//========================================================================== +//####COPYRIGHTBEGIN#### +// +// ------------------------------------------- +// The contents of this file are subject to the Red Hat eCos Public License +// Version 1.1 (the "License"); you may not use this file except in +// compliance with the License. You may obtain a copy of the License at +// http://www.redhat.com/ +// +// Software distributed under the License is distributed on an "AS IS" +// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the +// License for the specific language governing rights and limitations under +// the License. +// +// The Original Code is eCos - Embedded Configurable Operating System, +// released September 30, 1998. +// +// The Initial Developer of the Original Code is Red Hat. +// Portions created by Red Hat are +// Copyright (C) 1998, 1999, 2000 Red Hat, Inc. +// All Rights Reserved. +// ------------------------------------------- +// +//####COPYRIGHTEND#### +//========================================================================== +//#####DESCRIPTIONBEGIN#### +// +// Author(s): nickg +// Contributors: nickg +// Date: 2000-07-18 +// Purpose: POSIX misc function implementation +// Description: This file contains the implementation of miscellaneous POSIX +// functions that do not belong elsewhere. +// +// +// +//####DESCRIPTIONEND#### +// +//========================================================================== + +#include <pkgconf/system.h> +#include <pkgconf/hal.h> +#include <pkgconf/kernel.h> +#include <pkgconf/posix.h> + +#include <cyg/kernel/ktypes.h> // base kernel types +#include <cyg/infra/cyg_trac.h> // tracing macros +#include <cyg/infra/cyg_ass.h> // assertion macros + +#include "pprivate.h" // POSIX private header + +#include <unistd.h> +#include <sys/utsname.h> // My header +#include <string.h> // strcpy +#include <limits.h> +#include <time.h> + +// ------------------------------------------------------------------------- +// Supply some suitable values for constants that may not be present +// in all configurations. + +#ifndef MQ_OPEN_MAX +#define MQ_OPEN_MAX 0 +#endif +#ifndef MQ_PRIO_MAX +#define MQ_PRIO_MAX 0 +#endif + +// ------------------------------------------------------------------------- + +#define __string(_x) #_x +#define __xstring(_x) __string(_x) + +// ------------------------------------------------------------------------- +// utsname() + +__externC int uname( struct utsname *name ) +{ + CYG_REPORT_FUNCTYPE( "returning %d" ); + + strcpy( name->sysname, "eCos" ); + strcpy( name->nodename, "" ); // should use gethostname() + strcpy( name->release, __xstring( CYGNUM_KERNEL_VERSION_MAJOR ) ); + strcpy( name->version, __xstring( CYGNUM_KERNEL_VERSION_MINOR ) ); + strcpy( name->machine, "" ); + + CYG_REPORT_RETVAL(0); + return 0; +} + +// ------------------------------------------------------------------------- +// sysconf() + +#define SC_CASE( _name, _val ) case _name: return _val + +__externC long sysconf( int name ) +{ + + switch( name ) + { + SC_CASE( _SC_AIO_LISTIO_MAX, AIO_LISTIO_MAX ); + SC_CASE( _SC_AIO_MAX, AIO_MAX ); + SC_CASE( _SC_AIO_PRIO_DELTA_MAX, AIO_PRIO_DELTA_MAX ); + SC_CASE( _SC_ARG_MAX, ARG_MAX ); + SC_CASE( _SC_CHILD_MAX, CHILD_MAX ); + SC_CASE( _SC_DELAYTIMER_MAX, DELAYTIMER_MAX ); + SC_CASE( _SC_GETGR_R_SIZE_MAX, 0 ); + SC_CASE( _SC_GETPW_R_SIZE_MAX, 0 ); + SC_CASE( _SC_LOGIN_NAME_MAX, LOGIN_NAME_MAX ); + SC_CASE( _SC_MQ_OPEN_MAX, MQ_OPEN_MAX ); + SC_CASE( _SC_MQ_PRIO_MAX, MQ_PRIO_MAX ); + SC_CASE( _SC_NGROUPS_MAX, NGROUPS_MAX ); + SC_CASE( _SC_OPEN_MAX, OPEN_MAX ); + SC_CASE( _SC_PAGESIZE, PAGESIZE ); + SC_CASE( _SC_RTSIG_MAX, RTSIG_MAX ); + SC_CASE( _SC_SEM_NSEMS_MAX, SEM_NSEMS_MAX ); + SC_CASE( _SC_SEM_VALUE_MAX, SEM_VALUE_MAX ); + SC_CASE( _SC_SIGQUEUE_MAX, SIGQUEUE_MAX ); + SC_CASE( _SC_STREAM_MAX, STREAM_MAX ); + SC_CASE( _SC_THREAD_DESTRUCTOR_ITERATIONS, PTHREAD_DESTRUCTOR_ITERATIONS ); + SC_CASE( _SC_THREAD_KEYS_MAX, PTHREAD_KEYS_MAX ); + SC_CASE( _SC_THREAD_STACK_MIN, PTHREAD_STACK_MIN ); + SC_CASE( _SC_THREAD_THREADS_MAX, PTHREAD_THREADS_MAX ); + SC_CASE( _SC_TIMER_MAX, TIMER_MAX ); + SC_CASE( _SC_TTY_NAME_MAX, TTY_NAME_MAX ); + SC_CASE( _SC_TZNAME_MAX, TZNAME_MAX ); + SC_CASE( _SC_VERSION, _POSIX_VERSION ); + + case _SC_CLK_TCK: + { + struct timespec ts; + ts.tv_sec = 1; + ts.tv_nsec = 0; + cyg_tick_count ticks = cyg_timespec_to_ticks( &ts ); + return ticks; + } + + case _SC_ASYNCHRONOUS_IO: + #ifdef _POSIX_ASYNCHRONOUS_IO + return 1; + #else + return 0; + #endif + + case _SC_FSYNC: + #ifdef _POSIX_FSYNC + return 1; + #else + return 0; + #endif + + case _SC_JOB_CONTROL: + #ifdef _POSIX_JOB_CONTROL + return 1; + #else + return 0; + #endif + + case _SC_MAPPED_FILES: + #ifdef _POSIX_MAPPED_FILES + return 1; + #else + return 0; + #endif + + case _SC_MEMLOCK: + #ifdef _POSIX_MEMLOCK + return 1; + #else + return 0; + #endif + + case _SC_MEMLOCK_RANGE: + #ifdef _POSIX_MEMLOCK_RANGE + return 1; + #else + return 0 ; + #endif + + case _SC_MEMORY_PROTECTION: + #ifdef _POSIX_MEMORY_PROTECTION + return 1; + #else + return 0; + #endif + + case _SC_MESSAGE_PASSING: + #ifdef _POSIX_MESSAGE_PASSING + return 1; + #else + return 0; + #endif + + case _SC_PRIORITIZED_IO: + #ifdef _POSIX_PRIORITIZED_IO + return 1; + #else + return 0; + #endif + + case _SC_PRIORITY_SCHEDULING: + #ifdef _POSIX_PRIORITY_SCHEDULING + return 1; + #else + return 0; + #endif + + case _SC_REALTIME_SIGNALS: + #ifdef _POSIX_REALTIME_SIGNALS + return 1; + #else + return 0; + #endif + + case _SC_SAVED_IDS: + #ifdef _POSIX_SAVED_IDS + return 1; + #else + return 0; + #endif + + case _SC_SEMAPHORES: + #ifdef _POSIX_SEMAPHORES + return 1; + #else + return 0; + #endif + + case _SC_SHARED_MEMORY_OBJECTS: + #ifdef _POSIX_SHARED_MEMORY_OBJECTS + return 1; + #else + return 0; + #endif + + case _SC_SYNCHRONIZED_IO: + #ifdef _POSIX_SYNCHRONIZED_IO + return 1; + #else + return 0; + #endif + + case _SC_THREADS: + #ifdef _POSIX_THREADS + return 1; + #else + return 0; + #endif + + case _SC_THREAD_ATTR_STACKADDR: + #ifdef _POSIX_THREAD_ATTR_STACKADDR + return 1; + #else + return 0; + #endif + + case _SC_THREAD_ATTR_STACKSIZE: + #ifdef _POSIX_THREAD_ATTR_STACKSIZE + return 1; + #else + return 0; + #endif + + case _SC_THREAD_PRIO_INHERIT: + #ifdef _POSIX_THREAD_PRIO_INHERIT + return 1; + #else + return 0; + #endif + + case _SC_THREAD_PRIO_PROTECT: + #ifdef _POSIX_THREAD_PRIO_PROTECT + return 1; + #else + return 0; + #endif + + case _SC_THREAD_PRIORITY_SCHEDULING: + #ifdef _POSIX_THREAD_PRIORITY_SCHEDULING + return 1; + #else + return 0; + #endif + + case _SC_THREAD_PROCESS_SHARED: + #ifdef _POSIX_THREAD_PROCESS_SHARED + return 1; + #else + return 0; + #endif + + case _SC_THREAD_SAFE_FUNCTIONS: + #ifdef _POSIX_THREAD_SAFE_FUNCTIONS + return 1; + #else + return 0; + #endif + + case _SC_TIMERS: + #ifdef _POSIX_TIMERS + return 1; + #else + return 0; + #endif + + + default: + errno = EINVAL; + return -1; + } +} + +// ------------------------------------------------------------------------- +// EOF misc.cxx