diff options
Diffstat (limited to 'manual')
| -rw-r--r-- | manual/install.texi | 8 | ||||
| -rw-r--r-- | manual/process.texi | 14 |
2 files changed, 11 insertions, 11 deletions
diff --git a/manual/install.texi b/manual/install.texi index 0bc0be3..694c1d6 100644 --- a/manual/install.texi +++ b/manual/install.texi @@ -251,10 +251,10 @@ One auxiliary program, @file{/usr/libexec/pt_chown}, is installed setuid sets the permissions on a pseudoterminal so it can be used by the calling process. This means programs like @code{xterm} and @code{screen} do not have to be setuid to get a pty. (There may be -other reasons why they need privileges.) If you are using a 2.1 Linux -kernel with the @code{devptsfs} or @code{devfs} filesystems providing -pty slaves, you don't need this program; otherwise you do. The source -for @file{pt_chown} is in @file{login/programs/pt_chown.c}. +other reasons why they need privileges.) If you are using a 2.1 or +newer Linux kernel with the @code{devptsfs} or @code{devfs} filesystems +providing pty slaves, you don't need this program; otherwise you do. +The source for @file{pt_chown} is in @file{login/programs/pt_chown.c}. @node Tools for Compilation @appendixsec Recommended Tools for Compilation diff --git a/manual/process.texi b/manual/process.texi index 46aeff6..14421b5 100644 --- a/manual/process.texi +++ b/manual/process.texi @@ -243,15 +243,15 @@ signals and signal actions from the parent process.) @comment unistd.h @comment BSD @deftypefun pid_t vfork (void) -The @code{vfork} function is similar to @code{fork} but on systems it -is more efficient; however, there are restrictions you must follow to +The @code{vfork} function is similar to @code{fork} but on some systems +it is more efficient; however, there are restrictions you must follow to use it safely. -While @code{fork} makes a complete copy of the calling process's -address space and allows both the parent and child to execute -independently, @code{vfork} does not make this copy. Instead, the -child process created with @code{vfork} shares its parent's address -space until it calls exits or one of the @code{exec} functions. In the +While @code{fork} makes a complete copy of the calling process's address +space and allows both the parent and child to execute independently, +@code{vfork} does not make this copy. Instead, the child process +created with @code{vfork} shares its parent's address space until it +calls @code{_exit} or one of the @code{exec} functions. In the meantime, the parent process suspends execution. You must be very careful not to allow the child process created with |