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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2015-07-27 13:09:45 +0200 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2015-12-15 14:39:48 +0100 |
| commit | cf44281c666b51d5c4410c04bcebeed877bcbb6d (patch) | |
| tree | 1bbd93861b020ebae419e236f35e973c54d3ae4e /man2 | |
| parent | 78bbcd9faf3f76079930f61806282b4e963b9ea7 (diff) | |
| download | man-pages-cf44281c666b51d5c4410c04bcebeed877bcbb6d.tar.gz | |
futex.2: Point out that futexes are used to implement higher-level abstractions
Reported-by: Thomas Gleixner <tglx@linutronix.de>
Reported-by: Torvald Riegel <triegel@redhat.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Diffstat (limited to 'man2')
| -rw-r--r-- | man2/futex.2 | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/man2/futex.2 b/man2/futex.2 index 8683d62fa1..fe94c2d3ff 100644 --- a/man2/futex.2 +++ b/man2/futex.2 @@ -1512,6 +1512,10 @@ This system call is Linux-specific. .SH NOTES Glibc does not provide a wrapper for this system call; call it using .BR syscall (2). + +Various higher-level programming abstractions are implemented via futexes, +including POSIX threads mutexes and condition variables, +as well as POSIX semaphores. .\" TODO FIXME(Torvald) Above, we cite this section and claim it contains .\" details on the synchronization semantics; add the C11 equivalents .\" here (or whatever we find consensus for). |