diff options
Diffstat (limited to 'man2/ioperm.2')
| -rw-r--r-- | man2/ioperm.2 | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/man2/ioperm.2 b/man2/ioperm.2 index dcbad6c..dd62ce5 100644 --- a/man2/ioperm.2 +++ b/man2/ioperm.2 @@ -12,7 +12,7 @@ .\" Modified, 27 May 2004, Michael Kerrisk <mtk.manpages@gmail.com> .\" Added notes on capability requirements .\" -.TH ioperm 2 2023-03-30 "Linux man-pages 6.05.01" +.TH ioperm 2 2023-10-31 "Linux man-pages 6.7" .SH NAME ioperm \- set port input/output permissions .SH LIBRARY @@ -21,7 +21,7 @@ Standard C library .SH SYNOPSIS .nf .B #include <sys/io.h> -.PP +.P .BI "int ioperm(unsigned long " from ", unsigned long " num ", int " turn_on ); .fi .SH DESCRIPTION @@ -38,7 +38,7 @@ If .I turn_on is nonzero, the calling thread must be privileged .RB ( CAP_SYS_RAWIO ). -.PP +.P Before Linux 2.6.8, only the first 0x3ff I/O ports could be specified in this manner. For more ports, the @@ -47,7 +47,7 @@ system call had to be used (with a .I level argument of 3). Since Linux 2.6.8, 65,536 I/O ports can be specified. -.PP +.P Permissions are inherited by the child created by .BR fork (2) (but see NOTES). @@ -55,7 +55,7 @@ Permissions are preserved across .BR execve (2); this is useful for giving port access permissions to unprivileged programs. -.PP +.P This call is mostly for the i386 architecture. On many other architectures it does not exist or will always return an error. |