core-util: introduce pa_disable_sigpipe()

src/daemon/main.c

@@ -946,9 +946,7 @@ int main(int argc, char *argv[]) {
         valid_pid_file = TRUE;
     }
 
-#ifdef SIGPIPE
-    signal(SIGPIPE, SIG_IGN);
-#endif
+    pa_disable_sigpipe();
 
     if (pa_rtclock_hrtimer())
         pa_log_info(_("Fresh high-resolution timers available! Bon appetit!"));

src/pulsecore/core-util.c

@@ -2711,3 +2711,24 @@ char *pa_realpath(const char *path) {
 
     return t;
 }
+
+void pa_disable_sigpipe(void) {
+
+#ifdef SIGPIPE
+    struct sigaction sa;
+
+    pa_zero(sa);
+
+    if (sigaction(SIGPIPE, NULL, &sa) < 0) {
+        pa_log("sigaction(): %s", pa_cstrerror(errno));
+        return;
+    }
+
+    sa.sa_handler = SIG_IGN;
+
+    if (sigaction(SIGPIPE, &sa, NULL) < 0) {
+        pa_log("sigaction(): %s", pa_cstrerror(errno));
+        return;
+    }
+#endif
+}

src/pulsecore/core-util.h

@@ -227,4 +227,6 @@ char *pa_unescape(char *p);
 
 char *pa_realpath(const char *path);
 
+void pa_disable_sigpipe(void);
+
 #endif

src/utils/pabrowse.c

@@ -30,6 +30,8 @@
 #include <pulse/pulseaudio.h>
 #include <pulse/browser.h>
 
+#include <pulsecore/core-util.h>
+
 static void exit_signal_callback(pa_mainloop_api*m, pa_signal_event *e, int sig, void *userdata) {
     fprintf(stderr, "Got signal, exiting\n");
     m->quit(m, 0);
@@ -127,7 +129,7 @@ int main(int argc, char *argv[]) {
     assert(r == 0);
     pa_signal_new(SIGINT, exit_signal_callback, NULL);
     pa_signal_new(SIGTERM, exit_signal_callback, NULL);
-    signal(SIGPIPE, SIG_IGN);
+    pa_disable_sigpipe();
 
     if (!(browser = pa_browser_new_full(pa_mainloop_get_api(mainloop), PA_BROWSE_FOR_SERVERS|PA_BROWSE_FOR_SINKS|PA_BROWSE_FOR_SOURCES, &s))) {
         fprintf(stderr, "pa_browse_new_full(): %s\n", s);