Signed-off-by: Tonis Tiigi <tonisti...@gmail.com>
---
linux-user/syscall.c | 72 +++++++++++++++++++++++++++++++++++++++
linux-user/syscall_defs.h | 14 ++++++++
2 files changed, 86 insertions(+)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index f1cfcc8104..a447ce1f92 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -339,6 +339,12 @@ _syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned
int, len,
#define __NR_sys_sched_setaffinity __NR_sched_setaffinity
_syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len,
unsigned long *, user_mask_ptr);
+#define __NR_sys_sched_getattr __NR_sched_getattr
+_syscall4(int, sys_sched_getattr, pid_t, pid, struct target_sched_attr *, attr,
+ unsigned int, size, unsigned int, flags);
+#define __NR_sys_sched_setattr __NR_sched_setattr
+_syscall3(int, sys_sched_setattr, pid_t, pid, struct target_sched_attr *, attr,
+ unsigned int, flags);
#define __NR_sys_getcpu __NR_getcpu
_syscall3(int, sys_getcpu, unsigned *, cpu, unsigned *, node, void *, tcache);
_syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd,
@@ -10593,6 +10599,72 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
}
case TARGET_NR_sched_getscheduler:
return get_errno(sched_getscheduler(arg1));
+ case TARGET_NR_sched_getattr:
+ {
+ struct target_sched_attr *target_scha;
+ struct target_sched_attr scha;
+ if (arg2 == 0) {
+ return -TARGET_EINVAL;
+ }
+ if (arg3 > sizeof(scha)) {
+ arg3 = sizeof(scha);
+ }
+ ret = get_errno(sys_sched_getattr(arg1, &scha, arg3, arg4));
+ if (!is_error(ret)) {
+ target_scha = lock_user(VERIFY_WRITE, arg2, arg3, 0);
+ if (!target_scha) {
+ return -TARGET_EFAULT;
+ }
+ target_scha->size = tswap32(scha.size);
+ target_scha->sched_policy = tswap32(scha.sched_policy);
+ target_scha->sched_flags = tswap64(scha.sched_policy);
+ target_scha->sched_nice = tswap32(scha.sched_nice);
+ target_scha->sched_priority = tswap32(scha.sched_priority);
+ target_scha->sched_runtime = tswap64(scha.sched_runtime);
+ target_scha->sched_deadline = tswap64(scha.sched_deadline);
+ target_scha->sched_period = tswap64(scha.sched_period);
+ if (scha.size > offsetof(struct target_sched_attr,
sched_util_min)) {
+ target_scha->sched_util_min = tswap32(scha.sched_util_min);
+ target_scha->sched_util_max = tswap32(scha.sched_util_max);
+ }
+ unlock_user(target_scha, arg2, arg3);
+ }
+ return ret;
+ }
+ case TARGET_NR_sched_setattr:
+ {
+ struct target_sched_attr *target_scha;
+ struct target_sched_attr scha;
+ uint32_t *size;
+ if (arg2 == 0) {
+ return -TARGET_EINVAL;
+ }
+
+ if (!lock_user_struct(VERIFY_READ, size, arg2, 1)) {
+ return -TARGET_EFAULT;
+ }
+ unlock_user_struct(size, arg2, 0);
+ *size = tswap32(*size);
+
+ target_scha = lock_user(VERIFY_READ, arg2, *size, 1);
+ if (!target_scha) {
+ return -TARGET_EFAULT;
+ }
+ scha.size = *size;
+ scha.sched_policy = tswap32(target_scha->sched_policy);
+ scha.sched_flags = tswap64(target_scha->sched_flags);
+ scha.sched_nice = tswap32(target_scha->sched_nice);
+ scha.sched_priority = tswap32(target_scha->sched_priority);
+ scha.sched_runtime = tswap64(target_scha->sched_runtime);
+ scha.sched_deadline = tswap64(target_scha->sched_deadline);
+ scha.sched_period = tswap64(target_scha->sched_period);
+ if (scha.size > offsetof(struct target_sched_attr,
sched_util_min)) {
+ scha.sched_util_min = tswap32(target_scha->sched_util_min);
+ scha.sched_util_max = tswap32(target_scha->sched_util_max);
+ }
+ unlock_user(target_scha, arg2, 0);
+ return get_errno(sys_sched_setattr(arg1, &scha, arg3));
+ }
case TARGET_NR_sched_yield:
return get_errno(sched_yield());
case TARGET_NR_sched_get_priority_max:
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index 0b13975937..310d6ce8ad 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -2914,4 +2914,18 @@ struct target_statx {
/* 0x100 */
};
+/* from kernel's include/linux/sched/types.h */
+struct target_sched_attr {
+ abi_uint size;
+ abi_uint sched_policy;
+ abi_ullong sched_flags;
+ abi_int sched_nice;
+ abi_uint sched_priority;
+ abi_ullong sched_runtime;
+ abi_ullong sched_deadline;
+ abi_ullong sched_period;
+ abi_uint sched_util_min;
+ abi_uint sched_util_max;
+};
+
#endif
--
2.32.0 (Apple Git-132)
