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Use sigaction() without SA_RESTART rather than signal() so that we

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don't block in NgRecvData() after receiving a signal.

MFC after: 1 week
This commit is contained in:
Brian Somers 2001-07-31 09:53:20 +00:00
parent 74bd6d9d66
commit 7042cfcdd6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=80724
1 changed files with 9 additions and 5 deletions
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14
libexec/pppoed/pppoed.c
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@ -77,7 +77,6 @@ static void
Farewell(int sig)
{
ReceivedSignal = sig;
signal(sig, SIG_DFL); /* If something makes us block... */
}
static int
@ -469,6 +468,7 @@ main(int argc, char **argv)
unsigned char response[1024];
const char *prog, *provider, *acname;
struct ngm_connect ngc;
struct sigaction act;
int ch, cs, ds, ret, optF, optd, optn, sz, f;
const char *pidfile;
@ -591,10 +591,14 @@ main(int argc, char **argv)
if (!optF && optn)
NgSetErrLog(nglog, nglogx);
signal(SIGHUP, Farewell);
signal(SIGINT, Farewell);
signal(SIGQUIT, Farewell);
signal(SIGTERM, Farewell);
memset(&act, '\0', sizeof act);
act.sa_handler = Farewell;
act.sa_flags = SA_RESETHAND;
sigemptyset(&act.sa_mask);
sigaction(SIGHUP, &act, NULL);
sigaction(SIGINT, &act, NULL);
sigaction(SIGQUIT, &act, NULL);
sigaction(SIGTERM, &act, NULL);
while (!ReceivedSignal) {
if (*provider)