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Diffstat (limited to 'man7/futex.7')
| -rw-r--r-- | man7/futex.7 | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/man7/futex.7 b/man7/futex.7 index f59725b614..155c494405 100644 --- a/man7/futex.7 +++ b/man7/futex.7 @@ -16,7 +16,6 @@ futex \- fast user-space locking .B #include <linux/futex.h> .fi .SH DESCRIPTION -.PP The Linux kernel provides futexes ("Fast user-space mutexes") as a building block for fast user-space locking and semaphores. @@ -49,7 +48,6 @@ Processes can share this integer using via shared memory segments, or because they share memory space, in which case the application is commonly called multithreaded. .SS Semantics -.PP Any futex operation starts in user space, but it may be necessary to communicate with the kernel using the .BR futex (2) @@ -90,12 +88,10 @@ for more details. The same holds for asynchronous futex waiting. .SH VERSIONS -.PP Initial futex support was merged in Linux 2.5.7 but with different semantics from those described above. Current semantics are available from Linux 2.5.40 onward. .SH NOTES -.PP To reiterate, bare futexes are not intended as an easy-to-use abstraction for end users. Implementors are expected to be assembly literate and to have read |