F.66 ctThrdMutexRel

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Releases a mutex.

Short Name

ctThrdMutexRel

TYPE

Threading function

DECLARATION

NINT ctThrdMutexRel(pctMUTEX mutex)

DESCRIPTION

Releases the mutex pointed to by mutex, permitting other threads to contend for it.

RETURN

Value	Symbolic Constant	Explanation
0	NO_ERROR	Successful function.
637	TSYR_ERR	mutex release failed. Check sysiocod for system-level error return.

See Appendix A "c-tree Plus Error Codes" of the c-tree Plus Programmer's Reference Guide for a complete listing of valid c-tree Plus error values.

EXAMPLE

pctMUTEX tfin_mtx;

NINT rc;

ctThrdMutexGet(&tfin_mtx);

rc = tfin;

ctThrdMutexRel(&tfin_mtx);

LIMITATIONS

Can only release a mutex currently held by this thread. Can only be used with a ctThrd library.

SEE ALSO

ctThrdMutexGet and ctThrdMutexTry