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Message type for PM_{S,G}ET_PRIORITY

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Change-Id: I3cf77f786751ca7e5a8cd13b8716b228d0fbf7fe
This commit is contained in:
Lionel Sambuc 2014-05-13 13:56:04 +02:00
parent 594521214a
commit 865f761364
4 changed files with 18 additions and 13 deletions
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5
include/minix/callnr.h
View file

@ -107,11 +107,6 @@
#define PM_GROUPS_NUM m1_i1 /* int */
#define PM_GROUPS_PTR m1_p1 /* gid_t * */
/* Field names for the getpriority(2)/setpriority(2) calls. */
#define PM_PRIORITY_WHICH m1_i1 /* int */
#define PM_PRIORITY_WHO m1_i2 /* int */
#define PM_PRIORITY_PRIO m1_i3 /* int */
/* Field names for the getmcontext(2)/setmcontext(2) calls. */
#define PM_MCONTEXT_CTX m1_p1 /* mcontext_t * */

10
include/minix/ipc.h
View file

@ -154,6 +154,15 @@ typedef struct {
} mess_lc_pm_itimer;
_ASSERT_MSG_SIZE(mess_lc_pm_itimer);
typedef struct {
int which;
int who;
int prio;
uint8_t padding[44];
} mess_lc_pm_priority;
_ASSERT_MSG_SIZE(mess_lc_pm_priority);
typedef struct {
pid_t pid;
int req;
@ -992,6 +1001,7 @@ typedef struct {
mess_fs_vfs_readwrite m_fs_vfs_readwrite;
mess_lc_pm_itimer m_lc_pm_itimer;
mess_lc_pm_priority m_lc_pm_priority;
mess_lc_pm_ptrace m_lc_pm_ptrace;
mess_lc_pm_sysuname m_lc_pm_sysuname;
mess_lc_pm_time m_lc_pm_time;

10
lib/libc/sys-minix/priority.c
View file

@ -19,8 +19,8 @@ int getpriority(int which, id_t who)
message m;
memset(&m, 0, sizeof(m));
m.PM_PRIORITY_WHICH = which;
m.PM_PRIORITY_WHO = who;
m.m_lc_pm_priority.which = which;
m.m_lc_pm_priority.who = who;
/* GETPRIORITY returns negative for error.
* Otherwise, it returns the priority plus the minimum
@ -41,9 +41,9 @@ int setpriority(int which, id_t who, int prio)
message m;
memset(&m, 0, sizeof(m));
m.PM_PRIORITY_WHICH = which;
m.PM_PRIORITY_WHO = who;
m.PM_PRIORITY_PRIO = prio;
m.m_lc_pm_priority.which = which;
m.m_lc_pm_priority.who = who;
m.m_lc_pm_priority.prio = prio;
return _syscall(PM_PROC_NR, PM_SETPRIORITY, &m);
}

6
servers/pm/misc.c
View file

@ -247,9 +247,9 @@ int do_getsetpriority()
int r, arg_which, arg_who, arg_pri;
struct mproc *rmp;
arg_which = m_in.PM_PRIORITY_WHICH;
arg_who = m_in.PM_PRIORITY_WHO;
arg_pri = m_in.PM_PRIORITY_PRIO; /* for SETPRIORITY */
arg_which = m_in.m_lc_pm_priority.which;
arg_who = m_in.m_lc_pm_priority.who;
arg_pri = m_in.m_lc_pm_priority.prio; /* for SETPRIORITY */
/* Code common to GETPRIORITY and SETPRIORITY. */