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Fix some comments.

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This commit is contained in:
Garrett Wollman 2002-07-10 16:35:02 +00:00
parent e044f137e0
commit f646fac5e0
1 changed files with 6 additions and 4 deletions
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10
lib/libc/stdlib/abort.c
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@ -45,6 +45,7 @@ __FBSDID("$FreeBSD$");
void (*__cleanup)();
/* XXX - why are these declarations here? */
extern int __sys_sigprocmask(int, const sigset_t *, sigset_t *);
extern int __sys_sigaction(int, const struct sigaction *,
struct sigaction *);
@ -55,22 +56,23 @@ abort()
struct sigaction act;
/*
* POSIX requires we flush stdio buffers on abort
* POSIX requires we flush stdio buffers on abort.
* XXX ISO C requires that abort() be async-signal-safe.
*/
if (__cleanup)
(*__cleanup)();
sigfillset(&act.sa_mask);
/*
* don't block SIGABRT to give any handler a chance; we ignore
* any errors -- X311J doesn't allow abort to return anyway.
* Don't block SIGABRT to give any handler a chance; we ignore
* any errors -- ISO C doesn't allow abort to return anyway.
*/
sigdelset(&act.sa_mask, SIGABRT);
(void)__sys_sigprocmask(SIG_SETMASK, &act.sa_mask, NULL);
(void)kill(getpid(), SIGABRT);
/*
* if SIGABRT ignored, or caught and the handler returns, do
* If SIGABRT was ignored, or caught and the handler returns, do
* it again, only harder.
*/
act.sa_handler = SIG_DFL;