From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 nsprpub/pr/tests/suspend.c | 177 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 177 insertions(+)
 create mode 100644 nsprpub/pr/tests/suspend.c

(limited to 'nsprpub/pr/tests/suspend.c')

diff --git a/nsprpub/pr/tests/suspend.c b/nsprpub/pr/tests/suspend.c
new file mode 100644
index 0000000000..1976b9d8c0
--- /dev/null
+++ b/nsprpub/pr/tests/suspend.c
@@ -0,0 +1,177 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nspr.h"
+#include "prpriv.h"
+#include "prinrval.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+PRMonitor *mon;
+PRInt32 count;
+PRInt32 alive;
+
+#define SLEEP_TIME    4    /* secs */
+
+void PR_CALLBACK
+Level_2_Thread(void *arg)
+{
+    PR_Sleep(PR_MillisecondsToInterval(4 * 1000));
+    printf("Level_2_Thread[0x%lx] exiting\n",PR_GetCurrentThread());
+    return;
+}
+
+void PR_CALLBACK
+Level_1_Thread(void *arg)
+{
+    PRUint32 tmp = (PRUint32)arg;
+    PRThreadScope scope = (PRThreadScope) tmp;
+    PRThread *thr;
+
+    thr = PR_CreateThreadGCAble(PR_USER_THREAD,
+                                Level_2_Thread,
+                                NULL,
+                                PR_PRIORITY_HIGH,
+                                scope,
+                                PR_JOINABLE_THREAD,
+                                0);
+
+    if (!thr) {
+        printf("Could not create thread!\n");
+    } else {
+        printf("Level_1_Thread[0x%lx] created %15s thread 0x%lx\n",
+               PR_GetCurrentThread(),
+               (scope == PR_GLOBAL_THREAD) ?
+               "PR_GLOBAL_THREAD" : "PR_LOCAL_THREAD",
+               thr);
+        PR_JoinThread(thr);
+    }
+    PR_EnterMonitor(mon);
+    alive--;
+    PR_Notify(mon);
+    PR_ExitMonitor(mon);
+    printf("Thread[0x%lx] exiting\n",PR_GetCurrentThread());
+}
+
+static PRStatus PR_CALLBACK print_thread(PRThread *thread, int i, void *arg)
+{
+    PRInt32 words;
+    PRWord *registers;
+
+    printf(
+        "\nprint_thread[0x%lx]: %-20s - i = %ld\n",thread,
+        (PR_GLOBAL_THREAD == PR_GetThreadScope(thread)) ?
+        "PR_GLOBAL_THREAD" : "PR_LOCAL_THREAD", i);
+    registers = PR_GetGCRegisters(thread, 0, (int *)&words);
+    if (registers)
+        printf("Registers R0 = 0x%x R1 = 0x%x R2 = 0x%x R3 = 0x%x\n",
+               registers[0],registers[1],registers[2],registers[3]);
+    printf("Stack Pointer = 0x%lx\n", PR_GetSP(thread));
+    return PR_SUCCESS;
+}
+
+static void Level_0_Thread(PRThreadScope scope1, PRThreadScope scope2)
+{
+    PRThread *thr;
+    PRThread *me = PR_GetCurrentThread();
+    int n;
+    PRInt32 words;
+    PRWord *registers;
+
+    alive = 0;
+    mon = PR_NewMonitor();
+
+    alive = count;
+    for (n=0; n<count; n++) {
+        thr = PR_CreateThreadGCAble(PR_USER_THREAD,
+                                    Level_1_Thread,
+                                    (void *)scope2,
+                                    PR_PRIORITY_NORMAL,
+                                    scope1,
+                                    PR_UNJOINABLE_THREAD,
+                                    0);
+        if (!thr) {
+            printf("Could not create thread!\n");
+            alive--;
+        }
+        printf("Level_0_Thread[0x%lx] created %15s thread 0x%lx\n",
+               PR_GetCurrentThread(),
+               (scope1 == PR_GLOBAL_THREAD) ?
+               "PR_GLOBAL_THREAD" : "PR_LOCAL_THREAD",
+               thr);
+
+        PR_Sleep(0);
+    }
+    PR_SuspendAll();
+    PR_EnumerateThreads(print_thread, NULL);
+    registers = PR_GetGCRegisters(me, 1, (int *)&words);
+    if (registers)
+        printf("My Registers: R0 = 0x%x R1 = 0x%x R2 = 0x%x R3 = 0x%x\n",
+               registers[0],registers[1],registers[2],registers[3]);
+    printf("My Stack Pointer = 0x%lx\n", PR_GetSP(me));
+    PR_ResumeAll();
+
+    /* Wait for all threads to exit */
+    PR_EnterMonitor(mon);
+    while (alive) {
+        PR_Wait(mon, PR_INTERVAL_NO_TIMEOUT);
+    }
+
+    PR_ExitMonitor(mon);
+    PR_DestroyMonitor(mon);
+}
+
+static void CreateThreadsUU(void)
+{
+    Level_0_Thread(PR_LOCAL_THREAD, PR_LOCAL_THREAD);
+}
+
+static void CreateThreadsUK(void)
+{
+    Level_0_Thread(PR_LOCAL_THREAD, PR_GLOBAL_THREAD);
+}
+
+static void CreateThreadsKU(void)
+{
+    Level_0_Thread(PR_GLOBAL_THREAD, PR_LOCAL_THREAD);
+}
+
+static void CreateThreadsKK(void)
+{
+    Level_0_Thread(PR_GLOBAL_THREAD, PR_GLOBAL_THREAD);
+}
+
+
+int main(int argc, char **argv)
+{
+    PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
+    PR_STDIO_INIT();
+
+    if (argc > 1) {
+        count = atoi(argv[1]);
+    } else {
+        count = 5;
+    }
+
+    printf("\n\n%20s%30s\n\n"," ","Suspend_Resume Test");
+    CreateThreadsUU();
+    CreateThreadsUK();
+    CreateThreadsKU();
+    CreateThreadsKK();
+    PR_SetConcurrency(2);
+
+    printf("\n%20s%30s\n\n"," ","Added 2nd CPU\n");
+
+    CreateThreadsUK();
+    CreateThreadsKK();
+    CreateThreadsUU();
+    CreateThreadsKU();
+    PR_Cleanup();
+
+    return 0;
+}
+
-- 
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