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authorJoel Sherrill <joel.sherrill@OARcorp.com>2007-12-13 16:52:21 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>2007-12-13 16:52:21 +0000
commitfbfb59262d68f7064ee37c018567d2f7f2ff19f4 (patch)
treefedaf8c6a7b728c24d174b7449a4bc53684af51c /cpukit/posix/src/sched_rr_get_interval.c
parent2007-12-13 Joel Sherrill <joel.sherrill@OARcorp.com> (diff)
downloadrtems-fbfb59262d68f7064ee37c018567d2f7f2ff19f4.tar.bz2
2007-12-13 Joel Sherrill <joel.sherrill@OARcorp.com>
* posix/Makefile.am, posix/src/clockgetcpuclockid.c, posix/src/clockgetenableattr.c, posix/src/clockgettime.c, posix/src/clocksetenableattr.c, posix/src/clocksettime.c, posix/src/devctl.c, posix/src/execl.c, posix/src/execle.c, posix/src/execlp.c, posix/src/execv.c, posix/src/execve.c, posix/src/execvp.c, posix/src/fork.c, posix/src/mutexinit.c, posix/src/pthreadatfork.c, posix/src/pthreadgetcpuclockid.c, posix/src/pthreadkill.c, posix/src/semaphorecreatesupp.c, posix/src/sysconf.c, posix/src/wait.c, posix/src/waitpid.c: Split files into one function per file. * posix/src/aio_cancel.c, posix/src/aio_error.c, posix/src/aio_fsync.c, posix/src/aio_read.c, posix/src/aio_return.c, posix/src/aio_suspend.c, posix/src/aio_write.c, posix/src/lio_listio.c, posix/src/sched_getparam.c, posix/src/sched_getprioritymax.c, posix/src/sched_getprioritymin.c, posix/src/sched_getscheduler.c, posix/src/sched_rr_get_interval.c, posix/src/sched_setparam.c, posix/src/sched_setscheduler.c, posix/src/sched_yield.c: New files. * posix/src/aio.c, posix/src/sched.c, posix/src/types.c: Removed.
Diffstat (limited to 'cpukit/posix/src/sched_rr_get_interval.c')
-rw-r--r--cpukit/posix/src/sched_rr_get_interval.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/cpukit/posix/src/sched_rr_get_interval.c b/cpukit/posix/src/sched_rr_get_interval.c
new file mode 100644
index 0000000000..2cd1625743
--- /dev/null
+++ b/cpukit/posix/src/sched_rr_get_interval.c
@@ -0,0 +1,43 @@
+/*
+ * 13.3.6 Get Scheduling Parameter Limits, P1003.1b-1993, p. 258
+ *
+ * COPYRIGHT (c) 1989-2007.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ *
+ * $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <sched.h>
+#include <errno.h>
+
+#include <rtems/system.h>
+#include <rtems/score/tod.h>
+#include <rtems/score/thread.h>
+#include <rtems/seterr.h>
+
+int sched_rr_get_interval(
+ pid_t pid,
+ struct timespec *interval
+)
+{
+ /*
+ * Only supported for the "calling process" (i.e. this node).
+ */
+
+ if ( pid && pid != getpid() )
+ rtems_set_errno_and_return_minus_one( ESRCH );
+
+ if ( !interval )
+ rtems_set_errno_and_return_minus_one( EINVAL );
+
+ _Timespec_From_ticks( _Thread_Ticks_per_timeslice, interval );
+ return 0;
+}