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| author | Alejandro Colomar <alx@kernel.org> | 2023-03-17 17:08:01 +0100 |
|---|---|---|
| committer | Alejandro Colomar <alx@kernel.org> | 2023-03-30 15:14:55 +0200 |
| commit | 4131356cdab8d37fc395ca5466a0401c8573380c (patch) | |
| tree | 8c4c6f1c3172358b735b481cbbfdd9cc04b00ed9 /man2/fork.2 | |
| parent | fd00f831b52d61a91d59cb3b46182869145d9700 (diff) | |
| download | man-pages-4131356cdab8.tar.gz | |
man*/, man-pages.7: VERSIONS, STANDARDS, HISTORY: Reorganize sections
- Add a new HISTORY section that covers the history of an API, both
regarding implementations and regarding old standards. This was
previously covered in VERSIONS, and in some cases in STANDARDS.
- Repurpose VERSIONS to cover differing implementations in _current_
systems.
- STANDARDS is reduced to only cover current versions of standards.
That basically means only C11 (C99 has been superseeded by C11; C17
is just a bugfix of C11, so not really a new version), and
POSIX.1-2008 (*-2001 was superseeded by *-2008; *-2017 was just a
bugfix for *-2008). The section also mentions for example 'Linux',
'GNU' or 'BSD' when a non-standard API is Linux- or GNU-only or if
it's (de-facto) standard in the BSDs.
- In some cases content that should go into one of these sections was
in NOTES. Move it from there to where it corresponds.
- In the SYNOPSIS, I added [[deprecated]] in some functions that I
found are deprecated by the relevant standards.
- A few other related changes...
Cc: Oskari Pirhonen <xxc3ncoredxx@gmail.com>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
Diffstat (limited to 'man2/fork.2')
| -rw-r--r-- | man2/fork.2 | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/man2/fork.2 b/man2/fork.2 index 1b2498af74..15d23fef5e 100644 --- a/man2/fork.2 +++ b/man2/fork.2 @@ -259,14 +259,7 @@ hardware without a Memory-Management Unit). .\" commit 4a2c7a7837da1b91468e50426066d988050e4d56 System call was interrupted by a signal and will be restarted. (This can be seen only during a trace.) -.SH STANDARDS -POSIX.1-2001, POSIX.1-2008, SVr4, 4.3BSD. -.SH NOTES -Under Linux, -.BR fork () -is implemented using copy-on-write pages, so the only penalty that it incurs -is the time and memory required to duplicate the parent's page tables, -and to create a unique task structure for the child. +.SH VERSIONS .SS C library/kernel differences Since glibc 2.3.3, .\" nptl/sysdeps/unix/sysv/linux/fork.c @@ -291,6 +284,16 @@ The glibc wrapper invokes any fork handlers that have been established using .BR pthread_atfork (3). .\" and does some magic to ensure that getpid(2) returns the right value. +.SH STANDARDS +POSIX.1-2008. +.SH HISTORY +POSIX.1-2001, SVr4, 4.3BSD. +.SH NOTES +Under Linux, +.BR fork () +is implemented using copy-on-write pages, so the only penalty that it incurs +is the time and memory required to duplicate the parent's page tables, +and to create a unique task structure for the child. .SH EXAMPLES See .BR pipe (2) |