/* -*- 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/. */ /* * File: pipeself.c * * Description: * This test has two threads communicating with each other using * two unidirectional pipes. The primordial thread is the ping * thread and the other thread is the pong thread. The ping * thread writes "ping" to the pong thread and the pong thread * writes "pong" back. */ #include "prio.h" #include "prerror.h" #include "prthread.h" #include <stdio.h> #include <stdlib.h> #include <string.h> #define NUM_ITERATIONS 10 static PRFileDesc *ping_in, *ping_out; static PRFileDesc *pong_in, *pong_out; static void PongThreadFunc(void *arg) { char buf[1024]; int idx; PRInt32 nBytes; PRStatus status; for (idx = 0; idx < NUM_ITERATIONS; idx++) { memset(buf, 0, sizeof(buf)); nBytes = PR_Read(pong_in, buf, sizeof(buf)); if (nBytes == -1) { fprintf(stderr, "PR_Read failed\n"); exit(1); } printf("pong thread: received \"%s\"\n", buf); if (nBytes != 5) { fprintf(stderr, "pong thread: expected 5 bytes but got %d bytes\n", nBytes); exit(1); } if (strcmp(buf, "ping") != 0) { fprintf(stderr, "pong thread: expected \"ping\" but got \"%s\"\n", buf); exit(1); } strcpy(buf, "pong"); printf("pong thread: sending \"%s\"\n", buf); nBytes = PR_Write(pong_out, buf, 5); if (nBytes == -1) { fprintf(stderr, "PR_Write failed: (%d, %d)\n", PR_GetError(), PR_GetOSError()); exit(1); } } status = PR_Close(pong_in); if (status == PR_FAILURE) { fprintf(stderr, "PR_Close failed\n"); exit(1); } status = PR_Close(pong_out); if (status == PR_FAILURE) { fprintf(stderr, "PR_Close failed\n"); exit(1); } } int main(int argc, char **argv) { PRStatus status; PRThread *pongThread; char buf[1024]; PRInt32 nBytes; int idx; status = PR_CreatePipe(&ping_in, &pong_out); if (status == PR_FAILURE) { fprintf(stderr, "PR_CreatePipe failed\n"); exit(1); } status = PR_CreatePipe(&pong_in, &ping_out); if (status == PR_FAILURE) { fprintf(stderr, "PR_CreatePipe failed\n"); exit(1); } pongThread = PR_CreateThread(PR_USER_THREAD, PongThreadFunc, NULL, PR_PRIORITY_NORMAL, PR_GLOBAL_THREAD, PR_JOINABLE_THREAD, 0); if (pongThread == NULL) { fprintf(stderr, "PR_CreateThread failed\n"); exit(1); } for (idx = 0; idx < NUM_ITERATIONS; idx++) { strcpy(buf, "ping"); printf("ping thread: sending \"%s\"\n", buf); nBytes = PR_Write(ping_out, buf, 5); if (nBytes == -1) { fprintf(stderr, "PR_Write failed: (%d, %d)\n", PR_GetError(), PR_GetOSError()); exit(1); } memset(buf, 0, sizeof(buf)); nBytes = PR_Read(ping_in, buf, sizeof(buf)); if (nBytes == -1) { fprintf(stderr, "PR_Read failed\n"); exit(1); } printf("ping thread: received \"%s\"\n", buf); if (nBytes != 5) { fprintf(stderr, "ping thread: expected 5 bytes but got %d bytes\n", nBytes); exit(1); } if (strcmp(buf, "pong") != 0) { fprintf(stderr, "ping thread: expected \"pong\" but got \"%s\"\n", buf); exit(1); } } status = PR_Close(ping_in); if (status == PR_FAILURE) { fprintf(stderr, "PR_Close failed\n"); exit(1); } status = PR_Close(ping_out); if (status == PR_FAILURE) { fprintf(stderr, "PR_Close failed\n"); exit(1); } status = PR_JoinThread(pongThread); if (status == PR_FAILURE) { fprintf(stderr, "PR_JoinThread failed\n"); exit(1); } #if defined(XP_UNIX) && !defined(SYMBIAN) /* * Test PR_Available for pipes */ status = PR_CreatePipe(&ping_in, &ping_out); if (status == PR_FAILURE) { fprintf(stderr, "PR_CreatePipe failed\n"); exit(1); } nBytes = PR_Write(ping_out, buf, 250); if (nBytes == -1) { fprintf(stderr, "PR_Write failed: (%d, %d)\n", PR_GetError(), PR_GetOSError()); exit(1); } nBytes = PR_Available(ping_in); if (nBytes < 0) { fprintf(stderr, "PR_Available failed: (%d, %d)\n", PR_GetError(), PR_GetOSError()); exit(1); } else if (nBytes != 250) { fprintf(stderr, "PR_Available: expected 250 bytes but got %d bytes\n", nBytes); exit(1); } printf("PR_Available: expected %d, got %d bytes\n",250, nBytes); /* read some data */ nBytes = PR_Read(ping_in, buf, 7); if (nBytes == -1) { fprintf(stderr, "PR_Read failed\n"); exit(1); } /* check available data */ nBytes = PR_Available(ping_in); if (nBytes < 0) { fprintf(stderr, "PR_Available failed: (%d, %d)\n", PR_GetError(), PR_GetOSError()); exit(1); } else if (nBytes != (250 - 7)) { fprintf(stderr, "PR_Available: expected 243 bytes but got %d bytes\n", nBytes); exit(1); } printf("PR_Available: expected %d, got %d bytes\n",243, nBytes); /* read all data */ nBytes = PR_Read(ping_in, buf, sizeof(buf)); if (nBytes == -1) { fprintf(stderr, "PR_Read failed\n"); exit(1); } else if (nBytes != 243) { fprintf(stderr, "PR_Read failed: expected %d, got %d bytes\n", 243, nBytes); exit(1); } /* check available data */ nBytes = PR_Available(ping_in); if (nBytes < 0) { fprintf(stderr, "PR_Available failed: (%d, %d)\n", PR_GetError(), PR_GetOSError()); exit(1); } else if (nBytes != 0) { fprintf(stderr, "PR_Available: expected 0 bytes but got %d bytes\n", nBytes); exit(1); } printf("PR_Available: expected %d, got %d bytes\n", 0, nBytes); status = PR_Close(ping_in); if (status == PR_FAILURE) { fprintf(stderr, "PR_Close failed\n"); exit(1); } status = PR_Close(ping_out); if (status == PR_FAILURE) { fprintf(stderr, "PR_Close failed\n"); exit(1); } #endif /* XP_UNIX */ printf("PASS\n"); return 0; }