NAME

kill_dependency — terminate a dependency chain

SYNOPSIS

#include <stdatomic.h>

type kill_dependency(type *y);


DESCRIPTION

^[CX] The functionality described on this reference page is aligned with the ISO C standard. Any conflict between the requirements described here and the ISO C standard is unintentional. This volume of POSIX.1-2024 defers to the ISO C standard.

Implementations that define the macro __STDC_NO_ATOMICS__ need not provide the <stdatomic.h> header nor support the kill_dependency() macro.

The kill_dependency() macro shall terminate a dependency chain (see XBD 4.15.1 Memory Ordering). The argument shall not carry a dependency to the return value.

RETURN VALUE

The kill_dependency() macro shall return the value of y.

ERRORS

No errors are defined.

EXAMPLES

None.

APPLICATION USAGE

None.

RATIONALE

None.

FUTURE DIRECTIONS

None.

SEE ALSO

XBD 4.15.1 Memory Ordering, <stdatomic.h>

CHANGE HISTORY

First released in Issue 8. Included for alignment with the ISO/IEC 9899:2018 standard.