On Fri, Nov 5, 2021 at 9:19 AM Thomas Munro wrote:
> On Tue, Oct 26, 2021 at 11:29 PM Thomas Munro wrote:
> > When I do mmap(MAP_ANONYMOUS | MAP_SHARED) and then fork(), it seems
> > that futex(2) wakeups are not delivered between child and parent in
> > that memory. It does work as expected if
On Tue, Oct 26, 2021 at 11:29 PM Thomas Munro wrote:
> When I do mmap(MAP_ANONYMOUS | MAP_SHARED) and then fork(), it seems
> that futex(2) wakeups are not delivered between child and parent in
> that memory. It does work as expected if I instead use
> shmget(IPC_PRIVATE).
Hello,
This seems to
Hello,
When I do mmap(MAP_ANONYMOUS | MAP_SHARED) and then fork(), it seems
that futex(2) wakeups are not delivered between child and parent in
that memory. It does work as expected if I instead use
shmget(IPC_PRIVATE).
Below is a standalone test program. I tested it with the four OSes
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