--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/cstdlib/TSTLIB/THELLOU.C Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,228 @@
+/*
+* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+* A variant of "Hello World" which reports various bits of its environment
+* and returns an interesting exit status
+*
+*
+*/
+
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/wait.h>
+#include "CTEST.H"
+
+#ifdef __WINS__
+int triangle_recurse(char* prog, char* num, int progress)
+ {
+ printf("\nBut not under WINS where I'll be told 0\n");
+ return 0;
+ }
+
+int triangle_parallel(char* prog, char* num)
+ {
+ printf("\nBut not under WINS where I'll be told 0\n");
+ return 0;
+ }
+
+#else
+
+int triangle_recurse(char* prog, char* num, int progress)
+ {
+ int n;
+ int pid, ret;
+ char cmd[100];
+ int fids[3];
+
+ n = atol(num);
+ if (n<1)
+ return 0;
+
+ sprintf(cmd, "%s do_triangle %d", prog, n-1);
+ if (progress)
+ {
+ pid=popen3(cmd, "", 0, fids);
+ if (pid<0)
+ {
+ fprintf(stderr, "Executing %s, ", cmd);
+ perror("popen3 failed");
+ return -1999999;
+ }
+ while (1)
+ {
+ int n=waitpid(pid, &ret, WNOHANG);
+ if (n==pid)
+ break;
+ printf(".");
+ fflush(stdout);
+ sleep(1);
+ }
+ }
+ else
+ ret=system(cmd);
+ return n+ret;
+ }
+
+int triangle_parallel(char* prog, char* num)
+ {
+ int n;
+ int pid, pid1, pid2, ret1, ret2, base, split;
+ char cmd[100];
+ int fids1[3], fids2[3];
+ char* basep;
+
+ n = atol(num);
+ if (n<1)
+ return 0;
+ basep=getenv("TRIANGLE_BASE");
+ if (basep==0)
+ return 0;
+ base=atol(basep);
+
+ /* we have to add up the numbers base..n inclusive
+ */
+ if (base==n)
+ return n;
+ if (base+1==n)
+ return base+n;
+
+ /* At least 3 numbers, so split it into subtasks for child processes
+ */
+ split = (n-base)/2;
+
+ sprintf(cmd, "%s do_trianglep %d", prog, base+split);
+ pid1=popen3(cmd, "", 0, fids1);
+ if (pid1<0)
+ {
+ fprintf(stderr, "Doing %d..%d of %d..%d", base+split, base, n, base);
+ perror("popen3 failed");
+ return -1999999;
+ }
+
+ sprintf(cmd, "%d", base+split+1);
+ setenv("TRIANGLE_BASE", cmd, 1);
+
+ sprintf(cmd, "%s do_trianglep %d", prog, n);
+ pid2=popen3(cmd, "", 0, fids2);
+ if (pid2<0)
+ {
+ fprintf(stderr, "Doing %d..%d of %d..%d", n, base+split+1, n, base);
+ perror("popen3 failed");
+ return -1999999;
+ }
+
+ /* Now collect the results */
+ ret1=-10000;
+ ret2=-10000;
+ for (n=0; n<2; n++)
+ {
+ int ret=-3999999;
+ pid=wait(&ret);
+ if (pid<0)
+ {
+ perror("waitpid failed");
+ return -2999999;
+ }
+ if (pid==pid1)
+ {
+ pid1=-1;
+ ret1=ret;
+ }
+ else if (pid==pid2)
+ {
+ pid2=-1;
+ ret2=ret;
+ }
+ else
+ printf("Unexpected pid %d (not %d or %d)\n", pid, pid1, pid2);
+ }
+ return ret1+ret2;
+ }
+
+#endif
+
+/**
+Usage: THELLOU [triangle[p] <n>]
+
+@SYMTestCaseID SYSLIB-STDLIB-CT-1058
+@SYMTestCaseDesc Tests for printing to standard output stream
+@SYMTestPriority High
+@SYMTestActions Prints some stuff (looks at args, getenv("USER"), cwd) to stdout and stderr.
+ Will compute triangle numbers by calling itself recursively, or parallel subdivison
+@SYMTestExpectedResults Test must not fail
+@SYMREQ REQ0000
+*/
+int main (int argc, char *argv[])
+ {
+ char *user=getenv("USER");
+ char cwd[MAXPATHLEN];
+ int ret=3, i;
+
+ start_redirection_server();
+
+ if (argc==3 && strcmp(argv[1],"do_triangle")==0)
+ return triangle_recurse(argv[0], argv[2], 0);
+
+ if (argc==3 && strcmp(argv[1],"do_trianglep")==0)
+ return triangle_parallel(argv[0], argv[2]);
+
+ if (user)
+ {
+ printf("Hello %s\n", user);
+ ret=4;
+ }
+ else
+ printf("Greetings.\n");
+
+ printf("I am process %d\n", getpid());
+
+ if (getcwd(cwd,sizeof(cwd))!=0)
+ printf("I am speaking to you from %s\n", cwd);
+
+ printf("I have %d arguments: ", argc);
+ for (i=0; i<argc; i++)
+ printf(">%s< ", argv[i]);
+ printf("\r\n");
+
+ printf("In a few moments I shall say %c to stderr:\n", 'a'+argc);
+ fflush(stdout);
+
+ fprintf(stderr, "%c\n", 'a'+argc);
+ fflush(stderr);
+
+ if (argc==3 && strcmp(argv[1],"triangle")==0)
+ {
+ printf("For my next trick I shall compute the triangle of %s: ", argv[2]);
+ fflush(stdout);
+ ret=triangle_recurse(argv[0], argv[2], 1);
+ printf("it's %d\n", ret);
+ }
+
+ if (argc==3 && strcmp(argv[1],"trianglep")==0)
+ {
+ printf("I shall now compute the triangle of %s using a parallel algorithm: ", argv[2]);
+ fflush(stdout);
+ setenv("TRIANGLE_BASE", "1", 0);
+ ret=triangle_parallel(argv[0], argv[2]);
+ printf("it's %d\n", ret);
+ }
+
+ printf("Farewell...\nPress a key");
+ getchar();
+ return ret;
+ }