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| author | Stan Cox <scox@redhat.com> | 2008-08-28 11:05:32 -0400 |
|---|---|---|
| committer | Stan Cox <scox@redhat.com> | 2008-08-28 11:05:32 -0400 |
| commit | cd221ed4afd8d5e0f24f3f9d6ed4216f3181b1ca (patch) | |
| tree | 8047db20555cec7c7c5d52e2474bf7f360041515 /doc/langref.tex | |
| parent | 0565b404408de934e41a4343259068d27deb3ecb (diff) | |
| download | systemtap-steved-cd221ed4afd8d5e0f24f3f9d6ed4216f3181b1ca.tar.gz systemtap-steved-cd221ed4afd8d5e0f24f3f9d6ed4216f3181b1ca.tar.xz systemtap-steved-cd221ed4afd8d5e0f24f3f9d6ed4216f3181b1ca.zip | |
Document written but unread global variable automatic display.
Diffstat (limited to 'doc/langref.tex')
| -rw-r--r-- | doc/langref.tex | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/langref.tex b/doc/langref.tex index 413ece4d..5db82550 100644 --- a/doc/langref.tex +++ b/doc/langref.tex @@ -495,7 +495,9 @@ found. Because of possible concurrency limits, such as multiple probe handlers, each global variable used by a probe is automatically read- or write-locked while the handler is running. A global declaration may be written at the outermost level anywhere in a script file, not just within a block of code. -The following declaration marks \texttt{var1} and \texttt{var2} as global. +Global variables which are written but never read will be displayed +automatically at session shutdown. The following declaration marks +\texttt{var1} and \texttt{var2} as global. The translator will infer a value type for each, and if the variable is used as an array, its key types. |