+
+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
+}
+
+void pa_xfreev(void**a) {
+ void **p;
+
+ if (!a)
+ return;
+
+ for (p = a; *p; p++)
+ pa_xfree(*p);
+
+ pa_xfree(a);
+}
+
+char **pa_split_spaces_strv(const char *s) {
+ char **t, *e;
+ unsigned i = 0, n = 8;
+ const char *state = NULL;
+
+ t = pa_xnew(char*, n);
+ while ((e = pa_split_spaces(s, &state))) {
+ t[i++] = e;
+
+ if (i >= n) {
+ n *= 2;
+ t = pa_xrenew(char*, t, n);
+ }
+ }
+
+ if (i <= 0) {
+ pa_xfree(t);
+ return NULL;
+ }
+
+ t[i] = NULL;
+ return t;
+}
+
+char* pa_maybe_prefix_path(const char *path, const char *prefix) {
+ pa_assert(path);
+
+ if (pa_is_path_absolute(path))
+ return pa_xstrdup(path);
+
+ return pa_sprintf_malloc("%s" PA_PATH_SEP "%s", prefix, path);
+}
+
+size_t pa_pipe_buf(int fd) {
+
+#ifdef _PC_PIPE_BUF
+ long n;
+
+ if ((n = fpathconf(fd, _PC_PIPE_BUF)) >= 0)
+ return (size_t) n;
+#endif
+
+#ifdef PIPE_BUF
+ return PIPE_BUF;
+#else
+ return 4096;
+#endif
+}
+
+void pa_reset_personality(void) {
+
+#ifdef __linux__
+ if (personality(PER_LINUX) < 0)
+ pa_log_warn("Uh, personality() failed: %s", pa_cstrerror(errno));
+#endif
+
+}
+
+#if defined(__linux__) && !defined(__OPTIMIZE__)
+
+pa_bool_t pa_run_from_build_tree(void) {
+ char *rp;
+ pa_bool_t b = FALSE;
+
+ /* We abuse __OPTIMIZE__ as a check whether we are a debug build
+ * or not. */
+
+ if ((rp = pa_readlink("/proc/self/exe"))) {
+ b = pa_startswith(rp, PA_BUILDDIR);
+ pa_xfree(rp);
+ }
+
+ return b;
+}
+
+#endif