[Runtime] CRaC: fix compile error in Alpine Linux

Summary: There no __SIGRTMIN macro in Alpine Linux Testing: All CRaC testcases. Reviewers: Accelerator1996, sendaoYan Issue: dragonwell-project#883
lingjun-cg · Nov 1, 2024 · d44e771 · d44e771
1 parent ca29f16
commit d44e771
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/java.base/share/native/launcher/main.c b/src/java.base/share/native/launcher/main.c
@@ -152,7 +152,8 @@ static void setup_sighandler() {
     sigact.sa_flags = SA_SIGINFO;
     sigact.sa_sigaction = sighandler;
 
-    for (int sig = 1; sig < __SIGRTMIN; ++sig) {
+    const int MaxSignalValue = 31;
+    for (int sig = 1; sig <= MaxSignalValue; ++sig) {
         if (sig == SIGKILL || sig == SIGSTOP) {
             continue;
         }