/* * OpenPBS (Portable Batch System) v2.3 Software License * * Copyright (c) 1999-2000 Veridian Information Solutions, Inc. * All rights reserved. * * --------------------------------------------------------------------------- * For a license to use or redistribute the OpenPBS software under conditions * other than those described below, or to purchase support for this software, * please contact Veridian Systems, PBS Products Department ("Licensor") at: * * www.OpenPBS.org +1 650 967-4675 sales@OpenPBS.org * 877 902-4PBS (US toll-free) * --------------------------------------------------------------------------- * * This license covers use of the OpenPBS v2.3 software (the "Software") at * your site or location, and, for certain users, redistribution of the * Software to other sites and locations. Use and redistribution of * OpenPBS v2.3 in source and binary forms, with or without modification, * are permitted provided that all of the following conditions are met. * After December 31, 2001, only conditions 3-6 must be met: * * 1. Commercial and/or non-commercial use of the Software is permitted * provided a current software registration is on file at www.OpenPBS.org. * If use of this software contributes to a publication, product, or * service, proper attribution must be given; see www.OpenPBS.org/credit.html * * 2. Redistribution in any form is only permitted for non-commercial, * non-profit purposes. There can be no charge for the Software or any * software incorporating the Software. Further, there can be no * expectation of revenue generated as a consequence of redistributing * the Software. * * 3. Any Redistribution of source code must retain the above copyright notice * and the acknowledgment contained in paragraph 6, this list of conditions * and the disclaimer contained in paragraph 7. * * 4. Any Redistribution in binary form must reproduce the above copyright * notice and the acknowledgment contained in paragraph 6, this list of * conditions and the disclaimer contained in paragraph 7 in the * documentation and/or other materials provided with the distribution. * * 5. Redistributions in any form must be accompanied by information on how to * obtain complete source code for the OpenPBS software and any * modifications and/or additions to the OpenPBS software. The source code * must either be included in the distribution or be available for no more * than the cost of distribution plus a nominal fee, and all modifications * and additions to the Software must be freely redistributable by any party * (including Licensor) without restriction. * * 6. All advertising materials mentioning features or use of the Software must * display the following acknowledgment: * * "This product includes software developed by NASA Ames Research Center, * Lawrence Livermore National Laboratory, and Veridian Information * Solutions, Inc. * Visit www.OpenPBS.org for OpenPBS software support, * products, and information." * * 7. DISCLAIMER OF WARRANTY * * THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT * ARE EXPRESSLY DISCLAIMED. * * IN NO EVENT SHALL VERIDIAN CORPORATION, ITS AFFILIATED COMPANIES, OR THE * U.S. GOVERNMENT OR ANY OF ITS AGENCIES BE LIABLE FOR ANY DIRECT OR INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * This license will be governed by the laws of the Commonwealth of Virginia, * without reference to its choice of law rules. */ #include /* the master config generated by configure */ #include #include #include #include "libpbs.h" #include #include #include #include #include #include #include "list_link.h" #include "log.h" #include "server_limits.h" #include "attribute.h" #include "resource.h" #include "pbs_job.h" #include "mom_func.h" static char ident[] = "@(#) $RCSfile$ $Revision$"; /* Global Variables */ extern int exiting_tasks; extern char mom_host[]; extern tlist_head svr_alljobs; extern int termin_child; extern int multi_mom; /* Private variables */ /* * set_job - set up a new job session * Set session id and whatever else is required on this machine * to create a new job. * * Return: session/job id or if error: * -1 - if setsid() fails * -2 - if other, message in log_buffer */ int set_job(job *pjob, struct startjob_rtn *sjr) { return (sjr->sj_session = setsid()); } /* ** set_globid - set the global id for a machine type. */ void set_globid(job *pjob, struct startjob_rtn *sjr) { extern char noglobid[]; if (pjob->ji_globid == NULL) pjob->ji_globid = strdup(noglobid); } /* * set_mach_vars - setup machine dependent environment variables */ int set_mach_vars( job *pjob, /* pointer to the job */ struct var_table *vtab /* pointer to variable table */ ) { return 0; } char * set_shell(job *pjob, struct passwd *pwdp) { char *cp; int i; char *shell; struct array_strings *vstrs; /* * find which shell to use, one specified or the login shell */ shell = pwdp->pw_shell; if ((pjob->ji_wattr[(int)JOB_ATR_shell].at_flags & ATR_VFLAG_SET) && (vstrs = pjob->ji_wattr[(int)JOB_ATR_shell].at_val.at_arst)) { for (i = 0; i < vstrs->as_usedptr; ++i) { cp = strchr(vstrs->as_string[i], '@'); if (cp) { if (!strncmp(mom_host, cp + 1, strlen(cp + 1))) { *cp = '\0'; /* host name matches */ shell = vstrs->as_string[i]; break; } } else { shell = vstrs->as_string[i]; /* wildcard */ } } } return (shell); } /* * scan_for_terminated - scan the list of runnings jobs for a task whose * session id matched that of a terminated child pid. Mark that * task as Exiting. */ void scan_for_terminated(void) { static char id[] = "scan_for_terminated"; int exiteval; pid_t pid; job *pjob; task *ptask; int statloc; /* update the latest intelligence about the running jobs; */ /* must be done before we reap the zombies, else we lose the info */ termin_child = 0; if (mom_get_sample() == PBSE_NONE) { pjob = (job *)GET_NEXT(svr_alljobs); while (pjob) { mom_set_use(pjob); pjob = (job *)GET_NEXT(pjob->ji_alljobs); } } /* Now figure out which task(s) have terminated (are zombies) */ while ((pid = waitpid(-1, &statloc, WNOHANG)) > 0) { pjob = (job *)GET_NEXT(svr_alljobs); while (pjob) { /* ** see if process was a child doing a special ** function for MOM */ if (pid == pjob->ji_momsubt) break; /* ** look for task */ ptask = (task *)GET_NEXT(pjob->ji_tasks); while (ptask) { if (ptask->ti_qs.ti_sid == pid) break; ptask = (task *)GET_NEXT(ptask->ti_jobtask); } if (ptask != NULL) break; pjob = (job *)GET_NEXT(pjob->ji_alljobs); } if (WIFEXITED(statloc)) exiteval = WEXITSTATUS(statloc); else if (WIFSIGNALED(statloc)) exiteval = WTERMSIG(statloc) + 10000; else exiteval = 1; if (pjob == NULL) { DBPRT(("%s: pid %d not tracked, exit %d\n", id, pid, exiteval)) continue; } if (pid == pjob->ji_momsubt) { if (pjob->ji_mompost) { pjob->ji_mompost(pjob, exiteval); pjob->ji_mompost = 0; } pjob->ji_momsubt = 0; if(multi_mom) { momport = pbs_rm_port; } (void)job_save(pjob, SAVEJOB_QUICK, momport); continue; } DBPRT(("%s: task %d pid %d exit value %d\n", id, ptask->ti_qs.ti_task, pid, exiteval)) kill_task(ptask, SIGKILL, 0); ptask->ti_qs.ti_exitstat = exiteval; ptask->ti_qs.ti_status = TI_STATE_EXITED; pjob->ji_qs.ji_un.ji_momt.ji_exitstat = exiteval; task_save(ptask); sprintf(log_buffer, "task %d terminated", ptask->ti_qs.ti_task); LOG_EVENT(PBSEVENT_DEBUG, PBS_EVENTCLASS_JOB, pjob->ji_qs.ji_jobid, log_buffer); exiting_tasks = 1; } } /* * creat the master pty, this particular * piece of code depends on multiplexor /dev/ptc */ #define PTY_SIZE 12 int open_master( char **rtn_name /* RETURN name of slave pts */ ) { char *pc1; char *pc2; int ptc; /* master file descriptor */ static char ptcchar1[] = "pqrs"; static char ptcchar2[] = "0123456789abcdef"; static char pty_name[PTY_SIZE+1]; /* "/dev/[pt]tyXY" */ (void)strncpy(pty_name, "/dev/ptyXY", PTY_SIZE); for (pc1 = ptcchar1; *pc1 != '\0'; ++pc1) { pty_name[8] = *pc1; for (pc2 = ptcchar2; *pc2 != '\0'; ++pc2) { pty_name[9] = *pc2; if ((ptc = open(pty_name, O_RDWR | O_NOCTTY, 0)) >= 0) { /* Got a master, fix name to matching slave */ pty_name[5] = 't'; *rtn_name = pty_name; return (ptc); } else if (errno == ENOENT) return (-1); /* tried all entries, give up */ } } return (-1); /* tried all entries, give up */ } /* * struct sig_tbl = map of signal names to numbers, * see req_signal() in ../requests.c */ struct sig_tbl sig_tbl[] = { { "NULL", 0 }, { "HUP", SIGHUP }, { "INT", SIGINT }, { "QUIT", SIGQUIT }, { "ILL", SIGILL }, { "TRAP", SIGTRAP }, { "IOT", SIGIOT }, { "ABRT", SIGABRT }, { "EMT", SIGEMT }, { "FPE", SIGFPE }, { "KILL", SIGKILL }, { "BUS", SIGBUS }, { "SEGV", SIGSEGV }, { "SYS", SIGSYS }, { "PIPE", SIGPIPE }, { "ALRM", SIGALRM }, { "TERM", SIGTERM }, { "USR1", SIGUSR1 }, { "USR2", SIGUSR2 }, { "CHLD", SIGCHLD }, { "PWR", SIGPWR }, { "WINCH", SIGWINCH }, { "URG", SIGURG }, { "POLL", SIGPOLL }, { "IO", SIGIO }, { "STOP", SIGSTOP }, { "suspend", SIGSTOP }, { "TSTP", SIGTSTP }, { "CONT", SIGCONT }, { "resume", SIGCONT }, { "TTIN", SIGTTIN }, { "TTOU", SIGTTOU }, { "VTALRM", SIGVTALRM }, { "PROF", SIGPROF }, { "XCPU", SIGXCPU }, { "XFSZ", SIGXFSZ }, {(char *)0, -1} };