diff options
| author | Bruno Haible <bruno@clisp.org> | 2008-12-06 16:50:32 +0100 |
|---|---|---|
| committer | Bruno Haible <bruno@clisp.org> | 2008-12-06 16:50:32 +0100 |
| commit | c41616494e7cea6a738d8850f490c8935febf364 (patch) | |
| tree | 88cb31c48c531b70b68733146b8f3363bf5ec74b | |
| parent | 67461c3ae4e118020b974b6632156494a9a7ce40 (diff) | |
| download | gnulib-c41616494e7cea6a738d8850f490c8935febf364.tar.gz | |
Add comments.
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | lib/c-stack.h | 5 |
2 files changed, 9 insertions, 1 deletions
@@ -1,5 +1,10 @@ 2008-12-06 Bruno Haible <bruno@clisp.org> + * lib/c-stack.h (c_stack_action): Clarify possible side effects. + Suggested by Eric Blake. + +2008-12-06 Bruno Haible <bruno@clisp.org> + Fix a c-stack test failure on MacOS X. * m4/c-stack.m4 (AC_SYS_XSI_STACK_OVERFLOW_HEURISTIC): Require AC_CANONICAL_HOST. Define FAULT_YIELDS_SIGBUS. If set, install a signal diff --git a/lib/c-stack.h b/lib/c-stack.h index 8c06541fd6..e1e0a6e448 100644 --- a/lib/c-stack.h +++ b/lib/c-stack.h @@ -36,6 +36,9 @@ 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. */ + 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)); |