table of contents
other versions
- jessie 3.16.56-1+deb8u1
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¶
iocPointer 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¶
May 2018 | Kernel Hackers Manual 3.16 |