suse man page for mptctl_syscall_down

Query: mptctl_syscall_down

OS: suse

Section: 9

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

MPTCTL_SYSCALL_DOWN(9)					       Message-based devices					    MPTCTL_SYSCALL_DOWN(9)

NAME
mptctl_syscall_down - Down the MPT adapter syscall semaphore.
SYNOPSIS
int mptctl_syscall_down(MPT_ADAPTER * ioc, int nonblock);
ARGUMENTS
ioc Pointer to MPT adapter nonblock boolean, non-zero if O_NONBLOCK is set
DESCRIPTION
All of the ioctl commands can potentially sleep, which is illegal with a spinlock held, thus we perform mutual exclusion here. Returns negative errno on error, or zero for success.
COPYRIGHT
Kernel Hackers Manual 2.6. July 2010 MPTCTL_SYSCALL_DOWN(9)
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