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Diffstat (limited to 'man2/futex.2')
| -rw-r--r-- | man2/futex.2 | 20 |
1 files changed, 4 insertions, 16 deletions
diff --git a/man2/futex.2 b/man2/futex.2 index cd52254bad..92eccde5b1 100644 --- a/man2/futex.2 +++ b/man2/futex.2 @@ -1738,9 +1738,10 @@ and the timeout expired before the operation completed. .\" .\"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" .\" -.SH VERSIONS -Futexes were first made available in a stable kernel release -with Linux 2.6.0. +.SH STANDARDS +Linux. +.SH HISTORY +Linux 2.6.0. .PP Initial futex support was merged in Linux 2.5.7 but with different semantics from what was described above. @@ -1748,19 +1749,6 @@ A four-argument system call with the semantics described in this page was introduced in Linux 2.5.40. A fifth argument was added in Linux 2.5.70, and a sixth argument was added in Linux 2.6.7. -.SH STANDARDS -This system call is Linux-specific. -.SH NOTES -Several higher-level programming abstractions are implemented via futexes, -including POSIX semaphores and -various POSIX threads synchronization mechanisms -(mutexes, condition variables, read-write locks, and barriers). -.\" 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). -.\" -.\"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" -.\" .SH EXAMPLES The program below demonstrates use of futexes in a program where a parent process and a child process use a pair of futexes located inside a |