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Tom Niget
typon
Commits
a6f1b0c2
Commit
a6f1b0c2
authored
Jul 13, 2022
by
Xavier Thompson
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examples/: Add test program mutex.cpp
parent
3e30b044
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rt/examples/mutex.cpp
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rt/examples/mutex.cpp
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a6f1b0c2
#include <typon/typon.hpp>
#include <typon/logger.hpp>
using
namespace
typon
;
Mutex
mutex
;
int
N
=
30
;
int
fibo
(
int
n
)
{
if
(
n
<
2
)
return
n
;
return
fibo
(
n
-
1
)
+
fibo
(
n
-
2
);
}
Task
<
void
>
with_lock
(
int
id
)
{
{
LOG
(
"with_lock(%d), locking"
,
id
);
auto
lock
=
mutex
.
lock
();
co_await
lock
;
LOG
(
"with_lock(%d), acquired"
,
id
);
int
n
=
fibo
(
N
);
LOG
(
"with_lock(%d), fibo(%d) = %d"
,
id
,
N
,
n
);
}
LOG
(
"with_lock(%d), released"
,
id
);
}
Join
<
void
>
parallel
()
{
for
(
int
id
=
0
;
id
<
10
;
id
++
)
{
co_await
fork
(
with_lock
(
id
));
}
}
Root
root
()
{
co_await
parallel
();
}
int
main
()
{
root
().
call
();
puts
(
"done"
);
return
0
;
}
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