startcpu.2

来自「<B>Digital的Unix操作系统VAX 4.2源码</B>」· 2 代码 · 共 41 行

.TH startcpu 2
.SH Name
startcpu \- start a CPU
.SH Syntax
.B startcpu(\fIcpunumber\fP)
.br
int \fIcpunumber\fP;
.SH Description
The 
.PN startcpu 
system call starts the CPU specified by 
.I cpunumber. 
.NXR "SMP" "startcpu"
Any non-boot CPU can be started using this system call. Only a superuser
can execute this system call. 
.SH Return Values
The
.PN startcpu 
call returns 0 if the CPU was started successfully, or else it returns
-1 and sets errno appropriately.
.SH Diagnostics
.TP 15
[EPERM]
The caller is not a superuser
.TP 15
[EBUSY]
The CPU is already running
.TP 15
[ENODEV]
No CPU present by the given 
.I cpunumber
.TP 15
[EINVAL]
Invalid value for 
.I cpunumber. 
A valid
.I cpunumber
is between 0 and 31.
.SH See Also
stopcpu(2), startcpu(8), stopcpu(8)