Yesterday, someone was confused because the signal handler did not work.
It turned out that the created Fortran procedure used as handler used
pass by reference - and 'signal' passed the it by value.
This patch adds the 'passed by value' to the wording:
"@var{HANDLER} to be executed with a single integer argument passed by
value"
OK for mainline?
Tobias
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fortran/intrinsic.texi: Add 'passed by value' to signal handler
gcc/fortran/ChangeLog:
* intrinsic.texi (signal): Mention that the argument
passed to the signal handler procedure is passed by reference.
diff --git a/gcc/fortran/intrinsic.texi b/gcc/fortran/intrinsic.texi
index 6c7ad03a02c..3620209e00a 100644
--- a/gcc/fortran/intrinsic.texi
+++ b/gcc/fortran/intrinsic.texi
@@ -13168,10 +13168,10 @@ end program test_sign
@table @asis
@item @emph{Description}:
@code{SIGNAL(NUMBER, HANDLER [, STATUS])} causes external subroutine
-@var{HANDLER} to be executed with a single integer argument when signal
-@var{NUMBER} occurs. If @var{HANDLER} is an integer, it can be used to
-turn off handling of signal @var{NUMBER} or revert to its default
-action. See @code{signal(2)}.
+@var{HANDLER} to be executed with a single integer argument passed by
+value when signal @var{NUMBER} occurs. If @var{HANDLER} is an integer,
+it can be used to turn off handling of signal @var{NUMBER} or revert to
+its default action. See @code{signal(2)}.
If @code{SIGNAL} is called as a subroutine and the @var{STATUS} argument
is supplied, it is set to the value returned by @code{signal(2)}.
