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authorcvs2svn <>2014-02-18 19:58:41 +0000
committercvs2svn <>2014-02-18 19:58:41 +0000
commitb5279ecc51ff751ccd052fbb7c20efd529575f7e (patch)
tree64141e96a5d64ae59fb7f410270e4daa41878a03 /winsup/testsuite/libltp/lib/forker.c
parenta2a48cb593a9b3cc3f5c63c39f52c32db31cec50 (diff)
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This commit was manufactured by cvs2svn to create tag 'cygwin-pre-user-db'.cygwin-pre-user-db
Sprout from cygwin-1_7_29-release-branchpoint 2014-02-18 19:58:40 UTC cvs2svn 'This commit was manufactured by cvs2svn to create branch 'cygwin-1_7_29' Cherrypick from master 2014-02-08 22:25:11 UTC Corinna Vinschen <corinna@vinschen.de> 'Fix ChangeLog': winsup/cygwin/ChangeLog winsup/cygwin/miscfuncs.cc winsup/cygwin/miscfuncs.h winsup/cygwin/mount.cc Delete: winsup/COPYING winsup/CYGWIN_LICENSE winsup/ChangeLog winsup/Makefile.common winsup/Makefile.in winsup/README winsup/acinclude.m4 winsup/aclocal.m4 winsup/autogen.sh winsup/c++wrap winsup/ccwrap winsup/config.guess winsup/config.sub winsup/configure winsup/configure.ac winsup/configure.cygwin winsup/cygserver/ChangeLog winsup/cygserver/ChangeLog.64bit winsup/cygserver/Makefile.in winsup/cygserver/README winsup/cygserver/aclocal.m4 winsup/cygserver/autogen.sh winsup/cygserver/bsd_helper.cc winsup/cygserver/bsd_helper.h winsup/cygserver/bsd_log.cc winsup/cygserver/bsd_log.h winsup/cygserver/bsd_mutex.cc winsup/cygserver/bsd_mutex.h 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winsup/utils/cygwin-console-helper.cc winsup/utils/dump_setup.cc winsup/utils/dumper.cc winsup/utils/dumper.h winsup/utils/getconf.c winsup/utils/getfacl.c winsup/utils/kill.cc winsup/utils/ldd.cc winsup/utils/ldh.cc winsup/utils/loadlib.h winsup/utils/locale.cc winsup/utils/minidumper.cc winsup/utils/mkgroup.c winsup/utils/mkpasswd.c winsup/utils/module_info.cc winsup/utils/mount.cc winsup/utils/parse_pe.cc winsup/utils/passwd.c winsup/utils/path.cc winsup/utils/path.h winsup/utils/pldd.c winsup/utils/ps.cc winsup/utils/regtool.cc winsup/utils/setfacl.c winsup/utils/setmetamode.c winsup/utils/ssp.c winsup/utils/ssp.txt winsup/utils/strace.cc winsup/utils/testsuite.cc winsup/utils/testsuite.h winsup/utils/tzset.c winsup/utils/umount.cc winsup/utils/utils.xml winsup/utils/wide_path.h
Diffstat (limited to 'winsup/testsuite/libltp/lib/forker.c')
-rw-r--r--winsup/testsuite/libltp/lib/forker.c286
1 files changed, 0 insertions, 286 deletions
diff --git a/winsup/testsuite/libltp/lib/forker.c b/winsup/testsuite/libltp/lib/forker.c
deleted file mode 100644
index 99bc58550..000000000
--- a/winsup/testsuite/libltp/lib/forker.c
+++ /dev/null
@@ -1,286 +0,0 @@
-/*
- * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * Further, this software is distributed without any warranty that it is
- * free of the rightful claim of any third person regarding infringement
- * or the like. Any license provided herein, whether implied or
- * otherwise, applies only to this software file. Patent licenses, if
- * any, provided herein do not apply to combinations of this program with
- * other software, or any other product whatsoever.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
- * Mountain View, CA 94043, or:
- *
- * http://www.sgi.com
- *
- * For further information regarding this notice, see:
- *
- * http://oss.sgi.com/projects/GenInfo/NoticeExplan/
- */
-/**************************************************************
- *
- * OS Testing - Silicon Graphics, Inc.
- *
- * FUNCTION NAME : forker
- * background
- *
- * FUNCTION TITLE : fork desired number of copies of the current process
- * fork a process and return control to caller
- *
- * SYNOPSIS:
- * int forker(ncopies, mode, prefix)
- * int ncopies;
- * int mode;
- * char *prefix;
- *
- * int background(prefix);
- * char *prefix;
- *
- * extern int Forker_pids[];
- * extern int Forker_npids;
- *
- * AUTHOR : Richard Logan
- *
- * CO-PILOT(s) : Dean Roehrich
- *
- * INITIAL RELEASE : UNICOS 8.0
- *
- * DESIGN DESCRIPTION
- * The background function will do a fork of the current process.
- * The parent process will then exit, thus orphaning the
- * child process. Doing this will not nice the child process
- * like executing a cmd in the background using "&" from the shell.
- * If the fork fails and prefix is not NULL, a error message is printed
- * to stderr and the process will exit with a value of errno.
- *
- * The forker function will fork <ncopies> minus one copies
- * of the current process. There are two modes in how the forks
- * will be done. Mode 0 (default) will have all new processes
- * be childern of the parent process. Using Mode 1,
- * the parent process will have one child and that child will
- * fork the next process, if necessary, and on and on.
- * The forker function will return the number of successful
- * forks. This value will be different for the parent and each child.
- * Using mode 0, the parent will get the total number of successful
- * forks. Using mode 1, the newest child will get the total number
- * of forks. The parent will get a return value of 1.
- *
- * The forker function also updates the global variables
- * Forker_pids[] and Forker_npids. The Forker_pids array will
- * be updated to contain the pid of each new process. The
- * Forker_npids variable contains the number of entries
- * in Forker_pids. Note, not all processes will have
- * access to all pids via Forker_pids. If using mode 0, only the
- * parent process and the last process will have all information.
- * If using mode 1, only the last child process will have all information.
- *
- * If the prefix parameter is not NULL and the fork system call fails,
- * a error message will be printed to stderr. The error message
- * the be preceeded with prefix string. If prefix is NULL,
- * no error message is printed.
- *
- * SPECIAL REQUIREMENTS
- * None.
- *
- * UPDATE HISTORY
- * This should contain the description, author, and date of any
- * "interesting" modifications (i.e. info should helpful in
- * maintaining/enhancing this module).
- * username description
- * ----------------------------------------------------------------
- * rrl This functions will first written during
- * the SFS testing days, 1993.
- *
- * BUGS/LIMITATIONS
- * The child pids are stored in the fixed array, Forker_pids.
- * The array only has space for 4098 pids. Only the first
- * 4098 pids will be stored in the array.
- *
- **************************************************************/
-
-#include <stdio.h>
-#include <errno.h>
-#include <unistd.h> /* fork, getpid, sleep */
-#include <string.h>
-#include <stdlib.h>
-#include "forker.h"
-
-extern int errno;
-
-int Forker_pids[FORKER_MAX_PIDS]; /* holds pids of forked processes */
-int Forker_npids=0; /* number of entries in Forker_pids */
-
-/***********************************************************************
- *
- * This function will fork and the parent will exit zero and
- * the child will return. This will orphan the returning process
- * putting it in the background.
- *
- * Return Value
- * 0 : if fork did not fail
- * !0 : if fork failed, the return value will be the errno.
- ***********************************************************************/
-int
-background(prefix)
-char *prefix;
-{
- switch (fork()) {
- case -1:
- if ( prefix != NULL )
- fprintf(stderr, "%s: In %s background(), fork() failed, errno:%d %s\n",
- prefix, __FILE__, errno, strerror(errno));
- exit(errno);
-
- case 0: /* child process */
- break;
-
- default:
- exit(0);
- }
-
- return 0;
-
-} /* end of background */
-
-/***********************************************************************
- * Forker will fork ncopies-1 copies of self.
- *
- ***********************************************************************/
-int
-forker(ncopies, mode, prefix)
-int ncopies;
-int mode; /* 0 - all childern of parent, 1 - only 1 direct child */
-char *prefix; /* if ! NULL, an message will be printed to stderr */
- /* if fork fails. The prefix (program name) will */
- /* preceed the message */
-{
- int cnt;
- int pid;
- static int ind = 0;
-
- Forker_pids[ind]=0;
-
- for ( cnt=1; cnt < ncopies; cnt++ ) {
-
- switch ( mode ) {
- case 1 : /* only 1 direct child */
- if ( (pid = fork()) == -1 ) {
- if ( prefix != NULL )
- fprintf(stderr, "%s: %s,forker(): fork() failed, errno:%d %s\n",
- prefix, __FILE__, errno, strerror(errno));
- return 0;
- }
- Forker_npids++;
-
- switch (pid ) {
- case 0: /* child - continues the forking */
-
- if ( Forker_npids < FORKER_MAX_PIDS )
- Forker_pids[Forker_npids-1]=getpid();
- break;
-
- default: /* parent - stop the forking */
- if ( Forker_npids < FORKER_MAX_PIDS )
- Forker_pids[Forker_npids-1]=pid;
- return cnt-1;
- }
-
- break;
-
- default : /* all new processes are childern of parent */
- if ( (pid = fork()) == -1 ) {
- if ( prefix != NULL )
- fprintf(stderr, "%s: %s,forker(): fork() failed, errno:%d %s\n",
- prefix, __FILE__, errno, strerror(errno));
- return cnt-1;
- }
- Forker_npids++;
-
- switch (pid ) {
- case 0: /* child - stops the forking */
- if ( Forker_npids < FORKER_MAX_PIDS )
- Forker_pids[Forker_npids-1]=getpid();
- return cnt;
-
- default: /* parent - continues the forking */
- if ( Forker_npids < FORKER_MAX_PIDS )
- Forker_pids[Forker_npids-1]=pid;
- break;
- }
- break;
- }
- }
-
- if ( Forker_npids < FORKER_MAX_PIDS )
- Forker_pids[Forker_npids]=0;
- return cnt-1;
-
-} /* end of forker */
-
-
-#if UNIT_TEST
-
-/*
- * The following is a unit test main for the background and forker
- * functions.
- */
-
-int
-main(argc, argv)
-int argc;
-char **argv;
-{
- int ncopies=1;
- int mode=0;
- int ret;
- int ind;
-
- if ( argc == 1 ) {
- printf("Usage: %s ncopies [mode]\n", argv[0]);
- exit(1);
- }
-
- if ( sscanf(argv[1], "%i", &ncopies) != 1 ) {
- printf("%s: ncopies argument must be integer\n", argv[0]);
- exit(1);
- }
-
- if ( argc == 3 )
- if ( sscanf(argv[2], "%i", &mode) != 1 ) {
- printf("%s: mode argument must be integer\n", argv[0]);
- exit(1);
- }
-
- printf("Starting Pid = %d\n", getpid());
- ret=background(argv[0]);
- printf("After background() ret:%d, pid = %d\n", ret, getpid());
-
- ret=forker(ncopies, mode, argv[0]);
-
- printf("forker(%d, %d, %s) ret:%d, pid = %d, sleeping 30 seconds.\n",
- ncopies, mode, argv[0], ret, getpid());
-
- printf("%d My version of Forker_pids[], Forker_npids = %d\n",
- getpid(), Forker_npids);
-
- for (ind=0; ind<Forker_npids; ind++){
- printf("%d ind:%-2d pid:%d\n", getpid(), ind, Forker_pids[ind]);
- }
-
- sleep(30);
- exit(0);
-}
-
-#endif /* UNIT_TEST */