mirror of
https://gitlab.rtems.org/rtems/rtos/rtems.git
synced 2026-09-20 16:58:50 +08:00
Joel Sherrill
9c49db4d6a
* configure.in: Add libc/config.h * libc/Makefile.am: Add INCLUDES += -I. to pickup config.h * libc/.cvsignore: Add config.h and stamp-h * libc/*.c: Add config.h support.
106 lines
1.5 KiB
C
106 lines
1.5 KiB
C
/*
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* Marginal implementations of some POSIX API routines
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* to be used when POSIX is disabled.
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*
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* + getpid
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* + _getpid_r
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* + kill
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* + _kill_r
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* + __kill
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* + sleep
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.OARcorp.com/rtems/license.html.
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*
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* $Id$
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*/
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#if HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <rtems.h>
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#include <unistd.h>
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/*
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* These are directly supported (and completely correct) in the posix api.
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*/
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#if !defined(RTEMS_POSIX_API)
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pid_t getpid(void)
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{
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return 0;
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}
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#if defined(RTEMS_NEWLIB)
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#include <sys/reent.h>
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pid_t _getpid_r(
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struct _reent *ptr
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)
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{
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return getpid();
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}
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#endif
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#endif
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#if !defined(RTEMS_POSIX_API)
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int kill( pid_t pid, int sig )
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{
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return 0;
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}
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int _kill_r( pid_t pid, int sig )
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{
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return 0;
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}
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#endif
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int __kill( pid_t pid, int sig )
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{
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return 0;
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}
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/*
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* 3.4.3 Delay Process Execution, P1003.1b-1993, p. 81
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*
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* $Id$
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*/
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#include <time.h>
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#include <unistd.h>
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#include <rtems.h>
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#if !defined(RTEMS_POSIX_API)
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unsigned int sleep(
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unsigned int seconds
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)
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{
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rtems_status_code status;
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rtems_interval ticks_per_second;
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rtems_interval ticks;
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status = rtems_clock_get(
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RTEMS_CLOCK_GET_TICKS_PER_SECOND,
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&ticks_per_second
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);
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ticks = seconds * ticks_per_second;
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status = rtems_task_wake_after( ticks );
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/*
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* Returns the "unslept" amount of time. In RTEMS signals are not
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* interruptable, so tasks really sleep all of the requested time.
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*/
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return 0;
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}
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#endif
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