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author | Dan Price <dp@eng.sun.com> | 2010-07-06 17:09:50 -0700 |
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committer | Dan Price <dp@eng.sun.com> | 2010-07-06 17:09:50 -0700 |
commit | dbfe038179f8f9013fb3ed57447316a24e77e93f (patch) | |
tree | 7bc476c9e353c55b11751768c23d9a0bf02d0848 /usr/src/cmd/fmli/sys/spawn.c | |
parent | b971bb4ce38136221d2db4e0e30f25745c11eb9f (diff) | |
download | illumos-joyent-dbfe038179f8f9013fb3ed57447316a24e77e93f.tar.gz |
6955670 PSARC 2010/192 EOF FMLI
Diffstat (limited to 'usr/src/cmd/fmli/sys/spawn.c')
-rw-r--r-- | usr/src/cmd/fmli/sys/spawn.c | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/usr/src/cmd/fmli/sys/spawn.c b/usr/src/cmd/fmli/sys/spawn.c deleted file mode 100644 index 743b6ccfd3..0000000000 --- a/usr/src/cmd/fmli/sys/spawn.c +++ /dev/null @@ -1,203 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ - -/* - * Copyright 2005 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -/* Copyright (c) 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ -/* All Rights Reserved */ - - -#pragma ident "%Z%%M% %I% %E% SMI" - -#include <stdio.h> -#include <signal.h> -#include <sys/types.h> /* abs k18 */ -#include <errno.h> -#include <stdarg.h> -#include "wish.h" -#include "moremacros.h" -#include "sizes.h" - -#define RETVALSIZE 50 -#define EXECERROR 1000 - -static char *Retpath = NULL; -extern pid_t Fmli_pid; /* EFT abs k16 */ - -int set_ret_val(); -int error_exec(); - -int -spawnv(file, arglist) -char *file; -char *arglist[]; -{ - register pid_t pid; /* EFT abs k16 */ - register int fd; - - alarm(0); - switch (pid = fork()) { - case -1: - fprintf(stderr, "Can't create another process\r\n"); - break; - case 0: - sigignore(SIGHUP); /* changed from signals .. */ - sigignore(SIGINT); - sigignore(SIGQUIT); /* to sigignores and.. */ - sigignore(SIGUSR1); - sigset(SIGTERM, SIG_DFL); /* sigset. abs */ - for (fd = 0; fd < _NFILE; fd++) - close(fd); - dup(dup(open("/dev/null", 2))); - execvp(file, arglist); - (void) error_exec(errno); - _exit(127); - default: - break; - } - return pid; -} - -int -spawn(char *file, ...) -{ - char *arglist[20]; - register char **p; - va_list ap; - - va_start(ap, file); - for (p = arglist; p < arglist + sizeof(arglist)/sizeof(*arglist); p++) - if ((*p = va_arg(ap, char *)) == NULL) - break; - va_end(ap); - return spawnv(file, arglist); -} - -int -sysspawn(s) -char *s; -{ - char *arglist[4]; - - arglist[0] = "sh"; - arglist[1] = "-c"; - arglist[2] = s; - arglist[3] = NULL; - return spawnv("/bin/sh", arglist); -} - -int -waitspawn(pid) /* see also waitspn below! for comments */ -register pid_t pid; /* EFT abs k16 */ -{ - register pid_t waitcode; /* EFT abs k16 */ - int status; - - while ((waitcode = wait(&status)) != pid) - if (waitcode == -1 && errno != EINTR) - break; - /* examine child status more carefully */ - waitcode = ((waitcode == -1) ? waitcode : status); - return(set_ret_val(waitcode)); -} - -/* - * SET_RET_VAL will return the exit value of the child - * process given "status" (result of a "wait" system call). - * It will also set the environment variable "RET" to - * this exit value OR an "errno" string if an error is - * encountered during exec). - */ -int -set_ret_val(status) -int status; -{ - char retval_str[RETVALSIZE]; - int retval; - - if (!Retpath) { - char path[PATHSIZ]; - - sprintf(path, "/tmp/fmlexec.%ld", Fmli_pid); - Retpath = strsave(path); - } - if (access(Retpath, 0) == 0) { - FILE *fp, *fopen(); - - strcpy(retval_str, "RET="); - if ((fp = fopen(Retpath, "r")) == NULL) { - unlink(Retpath); - strcat(retval_str, "1000"); /* "EXECERROR" */ - retval = EXECERROR; /* abs k13 */ - } else { - (void) fgets(&retval_str[4], RETVALSIZE-5, fp); - fclose(fp); - unlink(Retpath); - retval = atoi(&retval_str[4]); /* abs k13 */ - } - } else { - /* - * if Retpath is not accessable and status is - * non zero, query status to discover what - * went wrong. - */ - if ((status & 0377) != 0) { - fprintf(stderr, - "child terminated with signal %d",(status & 0177)); - if (status & 0200) { - fprintf(stderr," and produced a corefile.\n"); - } else - fprintf(stderr,"\n"); - } - retval = ((status >> 8) &0377); - sprintf(retval_str, "RET=%d", retval); - } - putAltenv(retval_str); - return(retval); -} - -/* - * ERROR_EXEC will store "str" in a temporary file, typically - * this string will correspond to the "errno" of a failed - * exec attempt - */ -int -error_exec(val) -int val; -{ - FILE *fp, *fopen(); - - if (!Retpath) { - char path[PATHSIZ]; - - sprintf(path, "/tmp/fmlexec.%ld", Fmli_pid); - Retpath = strsave(path); - } - if ((fp = fopen(Retpath, "w")) == NULL) - return(FAIL); - fprintf(fp, "%d", EXECERROR + val); - fclose(fp); - return(SUCCESS); -} |