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author | Richard Maw <richard.maw@codethink.co.uk> | 2012-01-17 14:43:55 +0000 |
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committer | Richard Maw <richard.maw@codethink.co.uk> | 2012-01-17 14:43:55 +0000 |
commit | 2de9abc5c9d40b3c716307d67d16146f823fd554 (patch) | |
tree | 6979db67934ddc8b564150b465846a383b428ff8 /gnulib/lib/c-stack.h | |
parent | 33cc1c6fda6e72a7bae1401e9b2cec495a4d3ff1 (diff) | |
download | patch-baserock/bootstrap-pass2.tar.gz |
add the output of bootstrapbaserock/bootstrap-pass2baserock/bootstrap
Diffstat (limited to 'gnulib/lib/c-stack.h')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/lib/c-stack.h | 44 |
2 files changed, 44 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/lib/c-stack.h b/gnulib/lib/c-stack.h new file mode 100644 index 0000000..5aadfb5 --- /dev/null +++ b/gnulib/lib/c-stack.h @@ -0,0 +1,44 @@ +/* Stack overflow handling. + + Copyright (C) 2002, 2004, 2008-2011 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + + +/* Set up ACTION so that it is invoked on C stack overflow and on other, + stack-unrelated, segmentation violation. + Return -1 (setting errno) if this cannot be done. + + When a stack overflow or segmentation violation occurs: + 1) ACTION is called. It is passed an argument equal to + - 0, for a stack overflow, + - SIGSEGV, for a segmentation violation that does not appear related + to stack overflow. + On many platforms the two cases are hard to distinguish; when in doubt, + zero is passed. + 2) If ACTION returns, a message is written to standard error, and the + program is terminated: in the case of stack overflow, with exit code + exit_failure (see "exitfail.h"), otherwise through a signal SIGSEGV. + + A null ACTION acts like an action that does nothing. + + ACTION must be async-signal-safe. ACTION together with its callees + must not require more than SIGSTKSZ bytes of stack space. Also, + ACTION should not call longjmp, because this implementation does + not guarantee that it is safe to return to the original stack. + + This function may install a handler for the SIGSEGV signal or for the SIGBUS + signal or exercise other system dependent exception handling APIs. */ + +extern int c_stack_action (void (* /*action*/) (int)); |