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suspend.c


products/Sources/formale Sprachen/C/Firefox/nsprpub/pr/tests/suspend.c

/* 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 #include #include 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); 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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