From 6067ba5f9d026d6c41298d51c434c5255435e7df Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=9B=D0=B5=D0=BE=D0=BD=D0=B8=D0=B4=20=D0=AE=D1=80=D1=8C?=
 =?UTF-8?q?=D0=B5=D0=B2=20=28Leonid=20Yuriev=29?= <leo@yuriev.ru>
Date: Tue, 5 Nov 2024 19:25:10 +0300
Subject: [PATCH] =?UTF-8?q?mdbx-testing:=20=D0=BC=D0=B8=D0=BD=D0=B8=D0=BC?=
 =?UTF-8?q?=D0=B0=D0=BB=D1=8C=D0=BD=D0=B0=D1=8F=20=D0=BE=D0=B1=D1=80=D0=B0?=
 =?UTF-8?q?=D0=B1=D0=BE=D1=82=D0=BA=D0=B0=20`SIGINT`/`SIGTERM`/`SIGHUP`/`S?=
 =?UTF-8?q?IGQUIT`=20=D0=B4=D0=BB=D1=8F=20=D0=BF=D1=80=D0=BE=D0=B7=D1=80?=
 =?UTF-8?q?=D0=B0=D1=87=D0=BD=D0=BE=D1=81=D1=82=D0=B8=20=D0=BF=D1=80=D0=B5?=
 =?UTF-8?q?=D1=80=D1=8B=D0=B2=D0=B0=D0=BD=D0=B8=D0=B9=20=D0=B2=20=D0=BB?=
 =?UTF-8?q?=D0=BE=D0=B3=D0=B0=D1=85.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 test/osal-unix.c++ | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/test/osal-unix.c++ b/test/osal-unix.c++
index df340c1c..2c099d85 100644
--- a/test/osal-unix.c++
+++ b/test/osal-unix.c++
@@ -342,6 +342,12 @@ static void handler_SIGCHLD(int signum) {
     ++sigalarm_head;
 }
 
+static std::atomic_int sigbreak;
+static void handler_SIGBREAK(int signum) {
+  (void)signum;
+  ++sigbreak;
+}
+
 int osal_delay(unsigned seconds) { return sleep(seconds) ? errno : 0; }
 
 int osal_actor_start(const actor_config &config, mdbx_pid_t &pid) {
@@ -349,6 +355,17 @@ int osal_actor_start(const actor_config &config, mdbx_pid_t &pid) {
   if (children.empty()) {
     struct sigaction act;
     memset(&act, 0, sizeof(act));
+    act.sa_handler = handler_SIGBREAK;
+    sigaction(SIGTERM, &act, nullptr);
+    sigaction(SIGHUP, &act, nullptr);
+    sigaction(SIGINT, &act, nullptr);
+    sigaction(SIGQUIT, &act, nullptr);
+#ifdef SIGXCPU
+    sigaction(SIGXCPU, &act, nullptr);
+#endif
+#ifdef SIGXFSZ
+    sigaction(SIGXFSZ, &act, nullptr);
+#endif
     act.sa_handler = handler_SIGCHLD;
     sigaction(SIGCHLD, &act, nullptr);
     sigaction(SIGALRM, &act, nullptr);
@@ -500,7 +517,7 @@ int osal_actor_poll(mdbx_pid_t &pid, unsigned timeout) {
   sigalarm_tail = sigalarm_head /* reset timeout flag */;
 
   int options = WNOHANG;
-  if (timeout) {
+  if (timeout && !sigbreak) {
     alarm((timeout > INT_MAX) ? INT_MAX : timeout);
     options = 0;
   }
@@ -573,7 +590,7 @@ int osal_actor_poll(mdbx_pid_t &pid, unsigned timeout) {
     if (err != EINTR)
       return err;
   }
-  return 0 /* timeout */;
+  return sigbreak ? EINTR : 0 /* timeout */;
 }
 
 void osal_yield(void) {