From: Lionel Sambuc <lionel@minix3.org>
Date: Wed, 14 May 2014 14:39:00 +0000 (+0200)
Subject: Message type for SYS_SCHEDCTL
X-Git-Tag: v3.3.0~250
X-Git-Url: http://zhaoyanbai.com/repos/man.genrandom.html?a=commitdiff_plain;h=8ba159d242915ce594fcb9b79d14cf9d54d96d7c;p=minix.git

Message type for SYS_SCHEDCTL

Change-Id: Iaccbac1ef99124bc494b835e0d0cf999ea2e3f5a
---

diff --git a/include/minix/com.h b/include/minix/com.h
index 6377c6845..d20922569 100644
--- a/include/minix/com.h
+++ b/include/minix/com.h
@@ -581,15 +581,10 @@
 #define SYS_STATE_CLEAR_IPC_REFS    1	/* clear IPC references */
 
 /* Subfunctions for SYS_SCHEDCTL */
-#define SCHEDCTL_FLAGS		m9_l1	/* flags for setting the scheduler */
 #  define SCHEDCTL_FLAG_KERNEL	1	/* mark kernel scheduler and remove 
 					 * RTS_NO_QUANTUM; otherwise caller is 
 					 * marked scheduler 
 					 */
-#define SCHEDCTL_ENDPOINT	m9_l2	/* endpt of process to be scheduled */
-#define SCHEDCTL_QUANTUM	m9_l3   /* current scheduling quantum */
-#define SCHEDCTL_PRIORITY	m9_s4   /* current scheduling priority */
-#define SCHEDCTL_CPU		m9_l5   /* where to place this process */
 
 /* Field names for SYS_PADCONF */
 #define PADCONF_PADCONF		m2_i1	/* pad to configure */
diff --git a/include/minix/ipc.h b/include/minix/ipc.h
index d0e94f07c..1d3194020 100644
--- a/include/minix/ipc.h
+++ b/include/minix/ipc.h
@@ -563,6 +563,17 @@ typedef struct {
 } mess_pm_lexec_exec_new;
 _ASSERT_MSG_SIZE(mess_pm_lexec_exec_new);
 
+typedef struct {
+	uint32_t flags;
+	endpoint_t endpoint;
+	int priority;
+	int quantum;
+	int cpu;
+
+	uint8_t padding[36];
+} mess_lsys_krn_schedctl;
+_ASSERT_MSG_SIZE(mess_lsys_krn_schedctl);
+
 typedef struct {
 	endpoint_t endpt;
 
@@ -1161,6 +1172,8 @@ typedef struct {
 
 		mess_lexec_pm_exec_new	m_lexec_pm_exec_new;
 
+		mess_lsys_krn_schedctl	m_lsys_krn_schedctl;
+
 		mess_lsys_pm_getepinfo	m_lsys_pm_getepinfo;
 		mess_lsys_pm_getprocnr	m_lsys_pm_getprocnr;
 		mess_lsys_pm_srv_fork	m_lsys_pm_srv_fork;
diff --git a/kernel/system/do_schedctl.c b/kernel/system/do_schedctl.c
index 498d0d04f..f8b95b435 100644
--- a/kernel/system/do_schedctl.c
+++ b/kernel/system/do_schedctl.c
@@ -7,20 +7,20 @@
 int do_schedctl(struct proc * caller, message * m_ptr)
 {
 	struct proc *p;
-	unsigned flags;
+	uint32_t flags;
 	int priority, quantum, cpu;
 	int proc_nr;
 	int r;
 
 	/* check parameter validity */
-	flags = (unsigned) m_ptr->SCHEDCTL_FLAGS;
+	flags = m_ptr->m_lsys_krn_schedctl.flags;
 	if (flags & ~SCHEDCTL_FLAG_KERNEL) {
 		printf("do_schedctl: flags 0x%x invalid, caller=%d\n", 
 			flags, caller - proc);
 		return EINVAL;
 	}
 
-	if (!isokendpt(m_ptr->SCHEDCTL_ENDPOINT, &proc_nr))
+	if (!isokendpt(m_ptr->m_lsys_krn_schedctl.endpoint, &proc_nr))
 		return EINVAL;
 
 	p = proc_addr(proc_nr);
@@ -29,9 +29,9 @@ int do_schedctl(struct proc * caller, message * m_ptr)
 		/* the kernel becomes the scheduler and starts 
 		 * scheduling the process.
 		 */
-		priority = (int) m_ptr->SCHEDCTL_PRIORITY;
-		quantum = (int) m_ptr->SCHEDCTL_QUANTUM;
-		cpu = (int) m_ptr->SCHEDCTL_CPU;
+		priority = m_ptr->m_lsys_krn_schedctl.priority;
+		quantum = m_ptr->m_lsys_krn_schedctl.quantum;
+		cpu = m_ptr->m_lsys_krn_schedctl.cpu;
 
 		/* Try to schedule the process. */
 		if((r = sched_proc(p, priority, quantum, cpu) != OK))
diff --git a/lib/libsys/sys_schedctl.c b/lib/libsys/sys_schedctl.c
index 97ff4832c..689193b1a 100644
--- a/lib/libsys/sys_schedctl.c
+++ b/lib/libsys/sys_schedctl.c
@@ -1,17 +1,15 @@
 #include "syslib.h"
 
-int sys_schedctl(unsigned flags,
-			endpoint_t proc_ep,
-			int priority,
-			int quantum,
-			int cpu)
+int sys_schedctl(uint32_t flags, endpoint_t proc_ep, int priority, int quantum,
+	int cpu)
 {
 	message m;
 
-	m.SCHEDCTL_FLAGS = (int) flags;
-	m.SCHEDCTL_ENDPOINT = proc_ep;
-	m.SCHEDCTL_PRIORITY = priority;
-	m.SCHEDCTL_QUANTUM = quantum;
-	m.SCHEDCTL_CPU = cpu;
+	m.m_lsys_krn_schedctl.flags = flags;
+	m.m_lsys_krn_schedctl.endpoint = proc_ep;
+	m.m_lsys_krn_schedctl.priority = priority;
+	m.m_lsys_krn_schedctl.quantum = quantum;
+	m.m_lsys_krn_schedctl.cpu = cpu;
+
 	return(_kernel_call(SYS_SCHEDCTL, &m));
 }