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| author | Sandra Loosemore <sandra@codesourcery.com> | 2024-01-19 02:06:55 +0000 |
|---|---|---|
| committer | Sandra Loosemore <sandra@codesourcery.com> | 2024-01-19 02:10:30 +0000 |
| commit | ed28a835058d2e72036f4adb1dd60edf735c7d00 (patch) | |
| tree | c903fc161b7d15c757b7a49a59ac9110f8cf465e | |
| parent | bb0f96abb1b6bd80e90df71ce2632ce17844b0fd (diff) | |
| download | gcc-ed28a835058d2e72036f4adb1dd60edf735c7d00.zip gcc-ed28a835058d2e72036f4adb1dd60edf735c7d00.tar.gz gcc-ed28a835058d2e72036f4adb1dd60edf735c7d00.tar.bz2 | |
More precise documentation for cleanup attribute [PR110029]
gcc/ChangeLog
PR c/110029
* doc/extend.texi (Common Variable Attributes): Explain what
happens when multiple variables with cleanups are in the same scope.
| -rw-r--r-- | gcc/doc/extend.texi | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index 616e26d..0bc586d 100644 --- a/gcc/doc/extend.texi +++ b/gcc/doc/extend.texi @@ -7782,6 +7782,11 @@ with static storage duration. The function must take one parameter, a pointer to a type compatible with the variable. The return value of the function (if any) is ignored. +When multiple variables in the same scope have @code{cleanup} +attributes, at exit from the scope their associated cleanup functions +are run in reverse order of definition (last defined, first +cleanup). + If @option{-fexceptions} is enabled, then @var{cleanup_function} is run during the stack unwinding that happens during the processing of the exception. Note that the @code{cleanup} attribute |