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drop SA_RESTART logic

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Viktor Szakats 2026-06-19 01:34:21 +02:00
parent 383b980f15
commit ad7de90f17
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1 changed files with 12 additions and 42 deletions
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54
tests/server/util.c
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@ -555,36 +555,6 @@ static DWORD WINAPI main_window_loop(void *lpParameter)
}
#endif
static SIGHANDLER_T set_signal(int signum, SIGHANDLER_T handler,
bool restartable)
{
#if defined(HAVE_SIGACTION) && defined(SA_RESTART)
struct sigaction sa, oldsa;
memset(&sa, 0, sizeof(sa));
sa.sa_handler = handler;
sigemptyset(&sa.sa_mask);
sigaddset(&sa.sa_mask, signum);
sa.sa_flags = restartable ? 0 : SA_RESTART;
if(sigaction(signum, &sa, &oldsa))
return SIG_ERR;
return oldsa.sa_handler;
#else
SIGHANDLER_T oldhdlr = signal(signum, handler);
#ifdef HAVE_SIGINTERRUPT
if(oldhdlr != SIG_ERR)
siginterrupt(signum, (int)restartable);
#else
(void)restartable;
#endif
return oldhdlr;
#endif
}
void install_signal_handlers(bool keep_sigalrm)
{
char errbuf[STRERROR_LEN];
@ -597,14 +567,14 @@ void install_signal_handlers(bool keep_sigalrm)
#endif
#ifdef SIGHUP
/* ignore SIGHUP signal */
old_sighup_handler = set_signal(SIGHUP, SIG_IGN, FALSE);
old_sighup_handler = signal(SIGHUP, SIG_IGN);
if(old_sighup_handler == SIG_ERR)
logmsg("cannot install SIGHUP handler: (%d) %s",
errno, curlx_strerror(errno, errbuf, sizeof(errbuf)));
#endif
#ifdef SIGPIPE
/* ignore SIGPIPE signal */
old_sigpipe_handler = set_signal(SIGPIPE, SIG_IGN, FALSE);
old_sigpipe_handler = signal(SIGPIPE, SIG_IGN);
if(old_sigpipe_handler == SIG_ERR)
logmsg("cannot install SIGPIPE handler: (%d) %s",
errno, curlx_strerror(errno, errbuf, sizeof(errbuf)));
@ -612,7 +582,7 @@ void install_signal_handlers(bool keep_sigalrm)
#ifdef SIGALRM
if(!keep_sigalrm) {
/* ignore SIGALRM signal */
old_sigalrm_handler = set_signal(SIGALRM, SIG_IGN, FALSE);
old_sigalrm_handler = signal(SIGALRM, SIG_IGN);
if(old_sigalrm_handler == SIG_ERR)
logmsg("cannot install SIGALRM handler: (%d) %s",
errno, curlx_strerror(errno, errbuf, sizeof(errbuf)));
@ -622,21 +592,21 @@ void install_signal_handlers(bool keep_sigalrm)
#endif
#ifdef SIGINT
/* handle SIGINT signal with our exit_signal_handler */
old_sigint_handler = set_signal(SIGINT, exit_signal_handler, TRUE);
old_sigint_handler = signal(SIGINT, exit_signal_handler);
if(old_sigint_handler == SIG_ERR)
logmsg("cannot install SIGINT handler: (%d) %s",
errno, curlx_strerror(errno, errbuf, sizeof(errbuf)));
#endif
#ifdef SIGTERM
/* handle SIGTERM signal with our exit_signal_handler */
old_sigterm_handler = set_signal(SIGTERM, exit_signal_handler, TRUE);
old_sigterm_handler = signal(SIGTERM, exit_signal_handler);
if(old_sigterm_handler == SIG_ERR)
logmsg("cannot install SIGTERM handler: (%d) %s",
errno, curlx_strerror(errno, errbuf, sizeof(errbuf)));
#endif
#if defined(SIGBREAK) && defined(_WIN32)
/* handle SIGBREAK signal with our exit_signal_handler */
old_sigbreak_handler = set_signal(SIGBREAK, exit_signal_handler, TRUE);
old_sigbreak_handler = signal(SIGBREAK, exit_signal_handler);
if(old_sigbreak_handler == SIG_ERR)
logmsg("cannot install SIGBREAK handler: (%d) %s",
errno, curlx_strerror(errno, errbuf, sizeof(errbuf)));
@ -658,31 +628,31 @@ void restore_signal_handlers(bool keep_sigalrm)
{
#ifdef SIGHUP
if(old_sighup_handler != SIG_ERR)
(void)set_signal(SIGHUP, old_sighup_handler, FALSE);
(void)signal(SIGHUP, old_sighup_handler);
#endif
#ifdef SIGPIPE
if(old_sigpipe_handler != SIG_ERR)
(void)set_signal(SIGPIPE, old_sigpipe_handler, FALSE);
(void)signal(SIGPIPE, old_sigpipe_handler);
#endif
#ifdef SIGALRM
if(!keep_sigalrm) {
if(old_sigalrm_handler != SIG_ERR)
(void)set_signal(SIGALRM, old_sigalrm_handler, FALSE);
(void)signal(SIGALRM, old_sigalrm_handler);
}
#else
(void)keep_sigalrm;
#endif
#ifdef SIGINT
if(old_sigint_handler != SIG_ERR)
(void)set_signal(SIGINT, old_sigint_handler, FALSE);
(void)signal(SIGINT, old_sigint_handler);
#endif
#ifdef SIGTERM
if(old_sigterm_handler != SIG_ERR)
(void)set_signal(SIGTERM, old_sigterm_handler, FALSE);
(void)signal(SIGTERM, old_sigterm_handle);
#endif
#if defined(SIGBREAK) && defined(_WIN32)
if(old_sigbreak_handler != SIG_ERR)
(void)set_signal(SIGBREAK, old_sigbreak_handler, FALSE);
(void)signal(SIGBREAK, old_sigbreak_handler);
#endif
#ifdef _WIN32
(void)SetConsoleCtrlHandler(ctrl_event_handler, FALSE);