![]() ![]() This page is part of release 5.13 of the Linux man-pages project. SEE ALSO top iopl(2), outb(2), capabilities(7) COLOPHON top The goal of this article is to de ne what may become LIDS 2.0. Avoid the latter, it is available on i386 only. Glibc has an ioperm() prototype both in and in The /proc/ioports file shows the I/O ports that are currentlyīefore Linux 2.4, permissions were not inherited by a child On error, -1 is returned, andĮRRORS top EINVAL Invalid values for from or num.ĮIO (on PowerPC) This call is not supported.ĮPERM The calling thread has insufficient privilege.ĬONFORMING TO top ioperm() is Linux-specific and should not be used in programs On many otherĪrchitectures it does not exist or will always return an error. This call is mostly for the i386 architecture. ![]() Useful for giving port access permissions to unprivileged Permissions are preserved across execve(2) this is Permissions are inherited by the child created by fork(2) (but If bit n is clear in the bitmap, then access is granted to I/O port n. The permission bitmap contains 1024 bits in 32 longwords. This call is restricted to the super-user. Since LinuxĢ.6.8, 65,536 I/O ports can be specified. i386setioperm() sets the I/O permission bitmap from the data pointed to by iomap. For more ports, the iopl(2) systemĬall had to be used (with a level argument of 3). Thread must be privileged ( CAP_SYS_RAWIO).īefore Linux 2.6.8, only the first 0x3ff I/O ports could be Is nonzero, then permission for the specified bits is enabled Thread for num bits starting from port address from. SYNOPSIS top #include int ioperm(unsigned long from, unsigned long num, int turn_on ) DESCRIPTION top ioperm() sets the port access permission bits for the calling Ioperm - set port input/output permissions I'll probably have to uninstall CMF for now, until a new version comes out.IOPERM(2) Linux Programmer's Manual IOPERM(2) NAME top The current version of cygwin (setup.exe) is 2.573.2.3. So far, the following exclusions seem to be sufficient: exe-files under C:\cygwin\bin directory at once, if there was a quicker way to do this (WISHLIST! ). I've been adding the hanging processes to CMF's excluded applications list, one by one, then killing the processes and restarting the cygwin setup.exe (with the "Reinstall" option selected to make sure it's not skipping anything). Killing each hanging process will allow the setup script to progress further, but this is probably a bad idea if you want a working cygwin system. When the individual package installation scripts start running, you will notice the progress bar stopping, and one of the cygwin processes like bash.exe or cp.exe hanging. To reproduce the error, just start installing cygwin ( ). The installed security apps are CMF 2.0.4.20, CPF 3.0.25.378 and BOClean 4.27. I'm running XP Professional (32bit) with sp3. No errors are logged in CMF or anywhere else when this happens, but at least there are no BSOD's. The cygwin commands seem to execute just fine, and then hang just when they're about to exit. Well, as has been noted elsewhere on these boards, cygwin does not run properly when CMF is installed. ![]()
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