#
A type
L
meets the
Cpp17SharedLockable
requirements if the following expressions are well-formed, have the specified semantics, and the expression
m
.
try_
lock_
shared
(
)
has type
bool
(
m
denotes a value of type
L
):
🔗
m
.
lock_shared
(
)
2
#
Effects
: Blocks until a lock can be acquired for the current execution agent
.
If an exception is thrown then a lock shall not have been acquired for the current execution agent
.
🔗
m
.
try_lock_shared
(
)
3
#
Effects
: Attempts to acquire a lock for the current execution agent without blocking
.
If an exception is thrown then a lock shall not have been acquired for the current execution agent
.
4
#
Returns
:
true
if the lock was acquired,
false
otherwise
.
🔗
m
.
unlock_shared
(
)
5
#
Throws
: Nothing
.