only use _SC_SIGSTKSZ when it's defined

dankamongmen · Jan 2, 2025 · 3a43881 · 3a43881
1 parent 4adde8f
commit 3a43881
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/lib/unixsig.c b/src/lib/unixsig.c
@@ -222,7 +222,11 @@ int setup_signals(void* vnc, bool no_quit_sigs, bool no_winch_sigs,
 // to export ASAN_OPTIONS=use_sigaltstack=0, or just not fuck with the alternate
 // signal stack when built with ASAN.
 #ifndef USE_ASAN
+#ifdef _SC_SIGSTKSZ
     long minstksz = sysconf(_SC_SIGSTKSZ);
+#else
+    long minsktkz = 0;
+#endif
     if(minstksz <= 0){
       minstksz = SIGSTKSZ * 4;
     }