Test interleaved/overlapping SIGPROF/SIGALRM delivery

rr-debugger · Nov 7, 2023 · 1475ac4 · 1475ac4
1 parent d5d126a
commit 1475ac4
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diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -1272,6 +1272,7 @@ set(BASIC_TESTS
   sigprocmask_in_syscallbuf_sighandler
   sigprocmask_rr_sigs
   sigprocmask_syscallbuf
+  sigprof
   sigpwr
   sigqueueinfo
   x86/sigreturn

diff --git a/src/test/sigprof.c b/src/test/sigprof.c
@@ -0,0 +1,26 @@
+/* -*- Mode: C; tab-width: 8; c-basic-offset: 2; indent-tabs-mode: nil; -*- */
+
+#include "util.h"
+
+static volatile int count;
+
+static void handler(__attribute__((unused)) int sig) { ++count; }
+
+int main(void) {
+  struct itimerval itv = {
+    { 0, 1000 },
+    { 0, 1000 },
+  };
+
+  test_assert(0 == signal(SIGPROF, handler));
+  test_assert(0 == signal(SIGALRM, handler));
+
+  setitimer(ITIMER_REAL, &itv, NULL);
+  setitimer(ITIMER_PROF, &itv, NULL);
+
+  while (count < 2000) {
+  }
+
+  atomic_puts("EXIT-SUCCESS");
+  return 0;
+}