Function
GLibpointer_bit_lock_mask_ptr
since: 2.80
Declaration [src]
gpointer
g_pointer_bit_lock_mask_ptr (
gpointer ptr,
guint lock_bit,
gboolean set,
guintptr preserve_mask,
gpointer preserve_ptr
)
Description [src]
This mangles ptr as g_pointer_bit_lock() and g_pointer_bit_unlock()
do.
Available since: 2.80
Parameters
ptr-
Type:
gpointerThe pointer to mask.
The argument can be NULL.The data is owned by the caller of the function. lock_bit-
Type:
guintThe bit to set/clear. If set to
G_MAXUINT, the lockbit is taken frompreserve_ptrorptr(depending onpreserve_mask). set-
Type:
gbooleanWhether to set (lock) the bit or unset (unlock). This has no effect, if
lock_bitis set toG_MAXUINT. preserve_mask-
Type:
guintptrIf non-zero, a bit-mask for
preserve_ptr. Thepreserve_maskbits frompreserve_ptrare set in the result. Note that thelock_bitbit will be always set according toset, regardless ofpreserve_maskandpreserve_ptr(unlesslock_bitisG_MAXUINT). preserve_ptr-
Type:
gpointerIf
preserve_maskis non-zero, the bits from this pointer are set in the result.The argument can be NULL.The data is owned by the caller of the function.