[haiku-commits] r33783 - in haiku/trunk: headers/posix src/system/libroot/posix src/system/libroot/posix/pthread
- From: korli@xxxxxxxxxxxxxxxx
- To: haiku-commits@xxxxxxxxxxxxx
- Date: Mon, 26 Oct 2009 23:56:43 +0100 (CET)
Author: korli
Date: 2009-10-26 23:56:43 +0100 (Mon, 26 Oct 2009)
New Revision: 33783
Changeset: http://dev.haiku-os.org/changeset/33783/haiku
Modified:
haiku/trunk/headers/posix/pthread.h
haiku/trunk/headers/posix/sched.h
haiku/trunk/src/system/libroot/posix/pthread/pthread_attr.c
haiku/trunk/src/system/libroot/posix/scheduler.cpp
Log:
Patch from Michael Franz (ticket #4696): sched.h and pthreads to allow setting
of the thread priority
Modified: haiku/trunk/headers/posix/pthread.h
===================================================================
--- haiku/trunk/headers/posix/pthread.h 2009-10-26 22:28:47 UTC (rev 33782)
+++ haiku/trunk/headers/posix/pthread.h 2009-10-26 22:56:43 UTC (rev 33783)
@@ -229,14 +229,14 @@
int *contentionScope);
extern int pthread_attr_setscope(pthread_attr_t *attr, int contentionScope);
-#if 0 /* Unimplemented attribute functions: */
-
/* mandatory! */
extern int pthread_attr_getschedparam(const pthread_attr_t *attr,
struct sched_param *param);
extern int pthread_attr_setschedparam(pthread_attr_t *attr,
const struct sched_param *param);
+#if 0 /* Unimplemented attribute functions: */
+
/* [TPS] */
extern int pthread_attr_getinheritsched(const pthread_attr_t *attr,
int *inheritsched);
Modified: haiku/trunk/headers/posix/sched.h
===================================================================
--- haiku/trunk/headers/posix/sched.h 2009-10-26 22:28:47 UTC (rev 33782)
+++ haiku/trunk/headers/posix/sched.h 2009-10-26 22:56:43 UTC (rev 33783)
@@ -1,5 +1,5 @@
/*
- * Copyright 2008, Haiku Inc. All rights reserved.
+ * Copyright 2008-2009, Haiku Inc. All rights reserved.
* Distributed under the terms of the MIT license.
*/
#ifndef _SCHED_H_
@@ -9,7 +9,17 @@
extern "C" {
#endif
+#define SCHED_OTHER 1
+#define SCHED_RR 2
+#define SCHED_FIFO 4
+
+struct sched_param {
+ int sched_priority;
+};
+
extern int sched_yield(void);
+extern int sched_get_priority_min(int);
+extern int sched_get_priority_max(int);
#ifdef __cplusplus
}
Modified: haiku/trunk/src/system/libroot/posix/pthread/pthread_attr.c
===================================================================
--- haiku/trunk/src/system/libroot/posix/pthread/pthread_attr.c 2009-10-26
22:28:47 UTC (rev 33782)
+++ haiku/trunk/src/system/libroot/posix/pthread/pthread_attr.c 2009-10-26
22:56:43 UTC (rev 33783)
@@ -13,7 +13,6 @@
#include <thread_defs.h>
-
int
pthread_attr_init(pthread_attr_t *_attr)
{
@@ -134,3 +133,26 @@
return 0;
}
+
+int
+pthread_attr_setschedparam(pthread_attr_t *attr, const struct sched_param
*param)
+{
+ if (attr == NULL || param == NULL)
+ return EINVAL;
+
+ (*attr)->sched_priority = param->sched_priority;
+
+ return 0;
+}
+
+int
+pthread_attr_getschedparam(const pthread_attr_t *attr, struct sched_param
*param)
+{
+ if (attr == NULL || param == NULL)
+ return EINVAL;
+
+ param->sched_priority = (*attr)->sched_priority;
+
+ return 0;
+}
+
Modified: haiku/trunk/src/system/libroot/posix/scheduler.cpp
===================================================================
--- haiku/trunk/src/system/libroot/posix/scheduler.cpp 2009-10-26 22:28:47 UTC
(rev 33782)
+++ haiku/trunk/src/system/libroot/posix/scheduler.cpp 2009-10-26 22:56:43 UTC
(rev 33783)
@@ -1,10 +1,14 @@
/*
+ * Copyright 2009, Michael Franz
* Copyright 2008, Andreas Färber, andreas.faerber@xxxxxx
* Distributed under the terms of the MIT license.
*/
+#include <errno.h>
#include <sched.h>
+#include <OS.h>
+
#include <syscalls.h>
@@ -15,3 +19,32 @@
return 0;
}
+
+int
+sched_get_priority_min(int policy)
+{
+ switch (policy) {
+ case SCHED_FIFO:
+ case SCHED_RR:
+ case SCHED_OTHER:
+ return B_LOW_PRIORITY;
+ default:
+ errno = EINVAL;
+ return -1;
+ }
+}
+
+
+int
+sched_get_priority_max(int policy)
+{
+ switch (policy) {
+ case SCHED_FIFO:
+ case SCHED_RR:
+ case SCHED_OTHER:
+ return B_REAL_TIME_PRIORITY;
+ default:
+ errno = EINVAL;
+ return -1;
+ }
+}
Other related posts:
