.\" This manpage has been automatically generated by docbook2man 
.\" from a DocBook document.  This tool can be found at:
.\" <http://shell.ipoline.com/~elmert/comp/docbook2X/> 
.\" Please send any bug reports, improvements, comments, patches, 
.\" etc. to Steve Cheng <steve@ggi-project.org>.
.TH "MPTCTL_SYSCALL_DOWN" "" "06 October 2005" "" ""

.SH NAME
mptctl_syscall_down \- Down the MPT adapter syscall semaphore.
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
int mptctl_syscall_down  (MPT_ADAPTER * \fIioc\fB, int \fInonblock\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIioc\fB\fR
Pointer to MPT adapter
.TP
\fB\fInonblock\fB\fR
boolean, non-zero if O_NONBLOCK is set
.SH "DESCRIPTION"
.PP
All of the ioctl commands can potentially sleep, which is illegal
with a spinlock held, thus we perform mutual exclusion here.
.PP
Returns negative errno on error, or zero for success.