shmem_signal_fetch

Fetches the signal update on a local data object.

Definitions

C/C++ Synopsis

uint64_t shmem_signal_fetch(const uint64_t *sig_addr);

Arguments

sig_addr    Local address of the remotely accessible signal variable.

Description

shmem_signal_fetch performs a fetch operation and returns the contents of
the sig_addr signal data object. Access to sig_addr signal object at the
calling PE is expected to satisfy the atomicity guarantees as described
in Atomicity Guarantees for Signaling Operations.

Return Values

Returns the contents of the signal data object, sig_addr, at the calling PE.

Notes

None.