diff options
Diffstat (limited to 'man2/unshare.2')
| -rw-r--r-- | man2/unshare.2 | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/man2/unshare.2 b/man2/unshare.2 index b12afb5..ce2464d 100644 --- a/man2/unshare.2 +++ b/man2/unshare.2 @@ -15,7 +15,7 @@ .\" by clone, which would require porting and maintaining all commands .\" such as login, and su, that establish a user session. .\" -.TH unshare 2 2023-05-26 "Linux man-pages 6.05.01" +.TH unshare 2 2023-10-31 "Linux man-pages 6.7" .SH NAME unshare \- disassociate parts of the process execution context .SH LIBRARY @@ -25,7 +25,7 @@ Standard C library .nf .B #define _GNU_SOURCE .B #include <sched.h> -.PP +.P .BI "int unshare(int " flags ); .fi .SH DESCRIPTION @@ -40,12 +40,12 @@ or while other parts, such as virtual memory, may be shared by explicit request when creating a process or thread using .BR clone (2). -.PP +.P The main use of .BR unshare () is to allow a process to control its shared execution context without creating a new process. -.PP +.P The .I flags argument is a bit mask that specifies which parts of @@ -250,7 +250,7 @@ to the corresponding semaphores, as described in .BR semop (2). .\" CLONE_NEWNS If CLONE_SIGHAND is set and signals are also being shared .\" (i.e., current->signal->count > 1), force CLONE_THREAD. -.PP +.P In addition, .BR CLONE_THREAD , .BR CLONE_SIGHAND , @@ -277,7 +277,7 @@ automatically implies If the process is multithreaded, then the use of these flags results in an error. .\" See kernel/fork.c::check_unshare_flags() -.PP +.P If .I flags is specified as zero, then @@ -457,7 +457,7 @@ Such functionality may be added in the future, if required. .\"be incrementally added to unshare without affecting legacy .\"applications using unshare. .\" -.PP +.P Creating all kinds of namespace, except user namespaces, requires the .B CAP_SYS_ADMIN capability. @@ -477,7 +477,7 @@ Here's an example of the use of this program, running a shell in a new mount namespace, and verifying that the original shell and the new shell are in separate mount namespaces: -.PP +.P .in +4n .EX $ \fBreadlink /proc/$$/ns/mnt\fP @@ -487,7 +487,7 @@ $ \fBsudo ./unshare \-m /bin/bash\fP mnt:[4026532325] .EE .in -.PP +.P The differing output of the two .BR readlink (1) commands shows that the two shells are in different mount namespaces. @@ -563,7 +563,7 @@ main(int argc, char *argv[]) .BR setns (2), .BR vfork (2), .BR namespaces (7) -.PP +.P .I Documentation/userspace\-api/unshare.rst in the Linux kernel source tree .\" commit f504d47be5e8fa7ecf2bf660b18b42e6960c0eb2 |