#include <stdlib.h>
#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
#include <arpa/inet.h>
#include "internal.h"
}
}
}
+
+/* SIGPIPE protection. */
+
+void adns__sigpipe_protect(adns_state ads) {
+ sigset_t toblock;
+ struct sigaction sa;
+ int r;
+
+ if (ads->iflags & adns_if_nosigpipe) return;
+
+ sigfillset(&toblock);
+ sigdelset(&toblock,SIGPIPE);
+
+ sa.sa_handler= SIG_IGN;
+ sigfillset(&sa.sa_mask);
+ sa.sa_flags= 0;
+
+ r= sigprocmask(SIG_SETMASK,&toblock,&ads->stdsigmask); assert(!r);
+ r= sigaction(SIGPIPE,&sa,&ads->stdsigpipe); assert(!r);
+}
+
+void adns__sigpipe_unprotect(adns_state ads) {
+ int r;
+
+ if (ads->iflags & adns_if_nosigpipe) return;
+
+ r= sigaction(SIGPIPE,&ads->stdsigpipe,0); assert(!r);
+ r= sigprocmask(SIG_SETMASK,&ads->stdsigmask,0); assert(!r);
+}