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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2015-01-13 08:36:34 +0100 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2015-12-15 14:39:41 +0100 |
| commit | dc146cb44e17451aa0286c4230542c1032f1a01a (patch) | |
| tree | 34781df688035c14b5be0ce636f86c1246aa4975 /man7/futex.7 | |
| parent | dd05d61221912bdd859d3f15f076339b658bc7bd (diff) | |
| download | man-pages-dc146cb44e17451aa0286c4230542c1032f1a01a.tar.gz | |
futex.7: Note that a futex is 4 bytes on all platforms
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Diffstat (limited to 'man7/futex.7')
| -rw-r--r-- | man7/futex.7 | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/man7/futex.7 b/man7/futex.7 index 0b882068b2..475cd9713f 100644 --- a/man7/futex.7 +++ b/man7/futex.7 @@ -44,6 +44,7 @@ futexes are also optimized for this situation. .PP In its bare form, a futex is an aligned integer which is touched only by atomic assembler instructions. +This integer is four bytes long on all platforms. Processes can share this integer using .BR mmap (2), via shared memory segments, or because they share memory space, |