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| -rw-r--r-- | txr.1 | 11 |
1 files changed, 11 insertions, 0 deletions
@@ -34193,6 +34193,17 @@ a dynamic control transfer such as an exception, and that initiates its own dynamic control transfer, the original control transfer is aborted and replaced with the new one. +The exit points for dynamic control transfers are removed as unwinding takes +place. That is to say, at the start of a dynamic control transfer, a search +takes place for the target exit point. That search might skip other exit points +which aren't targets of the control transfer. Those skipped exit points are left +undisturbed and are still visible during unwinding until their individual +binding forms are abandoned. Thus at the time of execution of an +.code unwind-protect +.metn cleanup-form , +all of the exit points of dynamically surrounding forms are still visible, even +ones which are nearer than the targeted exit point. + .TP* Example: .cblk (block foo |