void screenTest(void) { saveBlitLimit(); fullBlitLimit(); clrScr(0); mkprints(84,100,".. please wait .."); mkprints(70,120,"test blit & lcd speed"); mkprints(102,130," . %i mhz .",currentFrequency); Gdl_flip(); clrScr(0); mkprints(84,100,".. please wait .."); mkprints(70,120,"test blit & lcd speed"); mkprints(102,130," . %i mhz .",currentFrequency); Gdl_flip(); u32 time = GetTickCount(); u32 nb=64; while(nb--) { while ((rLCDCON1 >> 18) != 1) asm volatile("nop\n""nop\n""nop\n"); while ((rLCDCON1 >> 18) != 319) asm volatile("nop\n""nop\n""nop\n"); while ((rLCDCON1 >> 18) != 1) asm volatile("nop\n""nop\n""nop\n"); while ((rLCDCON1 >> 18) != 319) asm volatile("nop\n""nop\n""nop\n"); }; tick = GetTickCount(); time = tick - time; u32 frmDelay = time>>=7; shell.print("\n frmDellay %i\nfps %i",frmDelay,1000/frmDelay); Gdl_flip(); Gdl_flip(); u32 tme = doBlitSpeedTest(); u32 maxBlitPerFrm = (96*64*frmDelay)/tme; shell.print("\n maxBlit %i",maxBlitPerFrm); //Gdl_showMsg("%iMhz, %ifps (%ims), maxBlt %i",currentFrequency,1000/frmDelay,frmDelay,maxBlitPerFrm); clrScr(0); mkprints(10,230,"%iMhz, %ifps (%ims), maxBlt %i",currentFrequency,1000/frmDelay,frmDelay,maxBlitPerFrm); Gdl_flip(); clrScr(0); mkprints(10,230,"%iMhz, %ifps (%ims), maxBlt %i",currentFrequency,1000/frmDelay,frmDelay,maxBlitPerFrm); Gdl_flip(); //gp_drawString(10,230,blitspeedsz,blitspeed,color,pixel); loadBlitLimit(); }
static void child_process(entry *e) { int stdin_pipe[2], stdout_pipe[2]; char * volatile input_data; char *homedir, *usernm, * volatile mailto; int children = 0; Debug(DPROC, ("[%ld] child_process('%s')\n", (long)getpid(), e->cmd)); setproctitle("running job"); /* discover some useful and important environment settings */ usernm = e->pwd->pw_name; mailto = env_get("MAILTO", e->envp); /* our parent is watching for our death by catching SIGCHLD. we * do not care to watch for our children's deaths this way -- we * use wait() explicitly. so we have to reset the signal (which * was inherited from the parent). */ (void) signal(SIGCHLD, SIG_DFL); /* create some pipes to talk to our future child */ if (pipe(stdin_pipe) == -1) /* child's stdin */ log_it("CRON", getpid(), "error", "create child stdin pipe"); if (pipe(stdout_pipe) == -1) /* child's stdout */ log_it("CRON", getpid(), "error", "create child stdout pipe"); /* since we are a forked process, we can diddle the command string * we were passed -- nobody else is going to use it again, right? * * if a % is present in the command, previous characters are the * command, and subsequent characters are the additional input to * the command. An escaped % will have the escape character stripped * from it. Subsequent %'s will be transformed into newlines, * but that happens later. */ /*local*/{ int escaped = FALSE; int ch; char *p; /* translation: * \% -> % * % -> end of command, following is command input. * \x -> \x for all x != % */ input_data = p = e->cmd; while ((ch = *input_data++) != '\0') { if (escaped) { if (ch != '%') *p++ = '\\'; } else { if (ch == '%') { break; } } if (!(escaped = (ch == '\\'))) { *p++ = ch; } } if (ch == '\0') { /* move pointer back, so that code below * won't think we encountered % sequence */ input_data--; } if (escaped) *p++ = '\\'; *p = '\0'; } /* fork again, this time so we can exec the user's command. */ switch (vfork()) { case -1: log_it("CRON", getpid(), "error", "can't vfork"); exit(ERROR_EXIT); /*NOTREACHED*/ case 0: Debug(DPROC, ("[%ld] grandchild process vfork()'ed\n", (long)getpid())); /* write a log message. we've waited this long to do it * because it was not until now that we knew the PID that * the actual user command shell was going to get and the * PID is part of the log message. */ if ((e->flags & DONT_LOG) == 0) { char *x = mkprints(e->cmd, strlen(e->cmd)); log_it(usernm, getpid(), "CMD START", x); free(x); } /* that's the last thing we'll log. close the log files. */ log_close(); /* get new pgrp, void tty, etc. */ if (setsid() == -1) syslog(LOG_ERR, "setsid() failure: %m"); /* close the pipe ends that we won't use. this doesn't affect * the parent, who has to read and write them; it keeps the * kernel from recording us as a potential client TWICE -- * which would keep it from sending SIGPIPE in otherwise * appropriate circumstances. */ (void)close(stdin_pipe[WRITE_PIPE]); (void)close(stdout_pipe[READ_PIPE]); /* grandchild process. make std{in,out} be the ends of * pipes opened by our daddy; make stderr go to stdout. */ if (stdin_pipe[READ_PIPE] != STDIN) { (void)dup2(stdin_pipe[READ_PIPE], STDIN); (void)close(stdin_pipe[READ_PIPE]); } if (stdout_pipe[WRITE_PIPE] != STDOUT) { (void)dup2(stdout_pipe[WRITE_PIPE], STDOUT); (void)close(stdout_pipe[WRITE_PIPE]); } (void)dup2(STDOUT, STDERR); /* set our directory, uid and gid. Set gid first, since once * we set uid, we've lost root privledges. */ #ifdef LOGIN_CAP { #ifdef BSD_AUTH auth_session_t *as; #endif login_cap_t *lc; char *p; if ((lc = login_getclass(e->pwd->pw_class)) == NULL) { warnx("unable to get login class for `%s'", e->pwd->pw_name); _exit(ERROR_EXIT); } if (setusercontext(lc, e->pwd, e->pwd->pw_uid, LOGIN_SETALL) < 0) { warnx("setusercontext failed for `%s'", e->pwd->pw_name); _exit(ERROR_EXIT); } #ifdef BSD_AUTH as = auth_open(); if (as == NULL || auth_setpwd(as, e->pwd) != 0) { warn("can't malloc"); _exit(ERROR_EXIT); } if (auth_approval(as, lc, usernm, "cron") <= 0) { warnx("approval failed for `%s'", e->pwd->pw_name); _exit(ERROR_EXIT); } auth_close(as); #endif /* BSD_AUTH */ login_close(lc); /* If no PATH specified in crontab file but * we just added one via login.conf, add it to * the crontab environment. */ if (env_get("PATH", e->envp) == NULL) { if ((p = getenv("PATH")) != NULL) e->envp = env_set(e->envp, p); } } #else if (setgid(e->pwd->pw_gid) != 0) { syslog(LOG_ERR, "setgid(%d) failed for %s: %m", e->pwd->pw_gid, e->pwd->pw_name); _exit(ERROR_EXIT); } if (initgroups(usernm, e->pwd->pw_gid) != 0) { syslog(LOG_ERR, "initgroups(%s, %d) failed for %s: %m", usernm, e->pwd->pw_gid, e->pwd->pw_name); _exit(ERROR_EXIT); } #if (defined(BSD)) && (BSD >= 199103) if (setlogin(usernm) < 0) { syslog(LOG_ERR, "setlogin(%s) failure for %s: %m", usernm, e->pwd->pw_name); _exit(ERROR_EXIT); } #endif /* BSD */ if (setuid(e->pwd->pw_uid) != 0) { syslog(LOG_ERR, "setuid(%d) failed for %s: %m", e->pwd->pw_uid, e->pwd->pw_name); _exit(ERROR_EXIT); } /* we aren't root after this... */ #endif /* LOGIN_CAP */ homedir = env_get("HOME", e->envp); if (chdir(homedir) != 0) { syslog(LOG_ERR, "chdir(%s) $HOME failed for %s: %m", homedir, e->pwd->pw_name); _exit(ERROR_EXIT); } #ifdef USE_SIGCHLD /* our grandparent is watching for our death by catching * SIGCHLD. the parent is ignoring SIGCHLD's; we want * to restore default behaviour. */ (void) signal(SIGCHLD, SIG_DFL); #endif (void) signal(SIGHUP, SIG_DFL); /* * Exec the command. */ { char *shell = env_get("SHELL", e->envp); # if DEBUGGING if (DebugFlags & DTEST) { (void)fprintf(stderr, "debug DTEST is on, not exec'ing command.\n"); (void)fprintf(stderr, "\tcmd='%s' shell='%s'\n", e->cmd, shell); _exit(OK_EXIT); } # endif /*DEBUGGING*/ (void)execle(shell, shell, "-c", e->cmd, NULL, e->envp); warn("execl: couldn't exec `%s'", shell); _exit(ERROR_EXIT); } break; default: /* parent process */ break; } children++; /* middle process, child of original cron, parent of process running * the user's command. */ Debug(DPROC, ("[%ld] child continues, closing pipes\n",(long)getpid())); /* close the ends of the pipe that will only be referenced in the * grandchild process... */ (void)close(stdin_pipe[READ_PIPE]); (void)close(stdout_pipe[WRITE_PIPE]); /* * write, to the pipe connected to child's stdin, any input specified * after a % in the crontab entry. while we copy, convert any * additional %'s to newlines. when done, if some characters were * written and the last one wasn't a newline, write a newline. * * Note that if the input data won't fit into one pipe buffer (2K * or 4K on most BSD systems), and the child doesn't read its stdin, * we would block here. thus we must fork again. */ if (*input_data && fork() == 0) { FILE *out = fdopen(stdin_pipe[WRITE_PIPE], "w"); int need_newline = FALSE; int escaped = FALSE; int ch; Debug(DPROC, ("[%ld] child2 sending data to grandchild\n", (long)getpid())); /* close the pipe we don't use, since we inherited it and * are part of its reference count now. */ (void)close(stdout_pipe[READ_PIPE]); /* translation: * \% -> % * % -> \n * \x -> \x for all x != % */ while ((ch = *input_data++) != '\0') { if (escaped) { if (ch != '%') (void)putc('\\', out); } else { if (ch == '%') ch = '\n'; } if (!(escaped = (ch == '\\'))) { (void)putc(ch, out); need_newline = (ch != '\n'); } } if (escaped) (void)putc('\\', out); if (need_newline) (void)putc('\n', out); /* close the pipe, causing an EOF condition. fclose causes * stdin_pipe[WRITE_PIPE] to be closed, too. */ (void)fclose(out); Debug(DPROC, ("[%ld] child2 done sending to grandchild\n", (long)getpid())); exit(0); } /* close the pipe to the grandkiddie's stdin, since its wicked uncle * ernie back there has it open and will close it when he's done. */ (void)close(stdin_pipe[WRITE_PIPE]); children++; /* * read output from the grandchild. it's stderr has been redirected to * it's stdout, which has been redirected to our pipe. if there is any * output, we'll be mailing it to the user whose crontab this is... * when the grandchild exits, we'll get EOF. */ Debug(DPROC, ("[%ld] child reading output from grandchild\n", (long)getpid())); /*local*/{ FILE *in = fdopen(stdout_pipe[READ_PIPE], "r"); int ch = getc(in); if (ch != EOF) { FILE *mail = NULL; int bytes = 1; int status = 0; Debug(DPROC|DEXT, ("[%ld] got data (%x:%c) from grandchild\n", (long)getpid(), ch, ch)); /* get name of recipient. this is MAILTO if set to a * valid local username; USER otherwise. */ if (mailto) { /* MAILTO was present in the environment */ if (!*mailto) { /* ... but it's empty. set to NULL */ mailto = NULL; } } else { /* MAILTO not present, set to USER. */ mailto = usernm; } /* if we are supposed to be mailing, MAILTO will * be non-NULL. only in this case should we set * up the mail command and subjects and stuff... */ if (mailto && safe_p(usernm, mailto)) { char **env; char mailcmd[MAX_COMMAND]; char hostname[MAXHOSTNAMELEN + 1]; (void)gethostname(hostname, MAXHOSTNAMELEN); if (strlens(MAILFMT, MAILARG, NULL) + 1 >= sizeof mailcmd) { warnx("mailcmd too long"); (void) _exit(ERROR_EXIT); } (void)snprintf(mailcmd, sizeof(mailcmd), MAILFMT, MAILARG); if (!(mail = cron_popen(mailcmd, "w", e->pwd))) { warn("cannot run `%s'", mailcmd); (void) _exit(ERROR_EXIT); } (void)fprintf(mail, "From: root (Cron Daemon)\n"); (void)fprintf(mail, "To: %s\n", mailto); (void)fprintf(mail, "Subject: Cron <%s@%s> %s\n", usernm, first_word(hostname, "."), e->cmd); (void)fprintf(mail, "Auto-Submitted: auto-generated\n"); #ifdef MAIL_DATE (void)fprintf(mail, "Date: %s\n", arpadate(&StartTime)); #endif /*MAIL_DATE*/ for (env = e->envp; *env; env++) (void)fprintf(mail, "X-Cron-Env: <%s>\n", *env); (void)fprintf(mail, "\n"); /* this was the first char from the pipe */ (void)putc(ch, mail); } /* we have to read the input pipe no matter whether * we mail or not, but obviously we only write to * mail pipe if we ARE mailing. */ while (EOF != (ch = getc(in))) { bytes++; if (mailto) (void)putc(ch, mail); } /* only close pipe if we opened it -- i.e., we're * mailing... */ if (mailto) { Debug(DPROC, ("[%ld] closing pipe to mail\n", (long)getpid())); /* Note: the pclose will probably see * the termination of the grandchild * in addition to the mail process, since * it (the grandchild) is likely to exit * after closing its stdout. */ status = cron_pclose(mail); } /* if there was output and we could not mail it, * log the facts so the poor user can figure out * what's going on. */ if (mailto && status) { char buf[MAX_TEMPSTR]; (void)snprintf(buf, sizeof(buf), "mailed %d byte%s of output but got status 0x%04x\n", bytes, (bytes==1)?"":"s", status); log_it(usernm, getpid(), "MAIL", buf); } } /*if data from grandchild*/ Debug(DPROC, ("[%ld] got EOF from grandchild\n", (long)getpid())); (void)fclose(in); /* also closes stdout_pipe[READ_PIPE] */ } /* wait for children to die. */ for (; children > 0; children--) { WAIT_T waiter; PID_T pid; Debug(DPROC, ("[%ld] waiting for grandchild #%d to finish\n", (long)getpid(), children)); while ((pid = wait(&waiter)) < OK && errno == EINTR) ; if (pid < OK) { Debug(DPROC, ("[%ld] no more grandchildren--mail written?\n", (long)getpid())); break; } Debug(DPROC, ("[%ld] grandchild #%ld finished, status=%04x", (long)getpid(), (long)pid, WEXITSTATUS(waiter))); if (WIFSIGNALED(waiter) && WCOREDUMP(waiter)) Debug(DPROC, (", dumped core")); Debug(DPROC, ("\n")); } /* Log the time when we finished deadling with the job */ /*local*/{ char *x = mkprints(e->cmd, strlen(e->cmd)); log_it(usernm, getpid(), "CMD FINISH", x); free(x); } }
static void child_process (entry * e, user * u) { int stdin_pipe[2], stdout_pipe[2]; register char *input_data; char *usernm, *mailto; int verbose; /* Put lots of info about job in the output mail msg */ int children = 0; Debug (DPROC, ("[%d] child_process('%s')\n", getpid (), e->cmd)); /* mark ourselves as different to PS command watchers by upshifting * our process name. This has no effect on some kernels. */ /*local */ { register char *pch; for (pch = ProcessName; *pch; pch++) *pch = MkUpper (*pch); } /* discover some useful and important environment settings */ usernm = env_get ("LOGNAME", e->envp); mailto = env_get ("MAILTO", e->envp); /* The environment variable CRON_VERBOSE is normally set in the crontab itself. It means user wants lots of info in the mail message to the cron job owner, including the full environment. */ if (env_get ("CRON_VERBOSE", e->envp)) verbose = 1; else verbose = 0; /* Check for arguments */ if (mailto) { const char *end; /* These chars have to match those cron_popen() * uses to split the command string */ mailto += strspn (mailto, " \t\n"); end = mailto + strcspn (mailto, " \t\n"); if (*mailto == '-' || *end != '\0') { printf ("Bad Mailto karma.\n"); log_it ("CRON", getpid (), "error", "bad mailto"); mailto = NULL; } } #ifdef USE_SIGCHLD /* our parent is watching for our death by catching SIGCHLD. we * do not care to watch for our children's deaths this way -- we * use wait() explictly. so we have to disable the signal (which * was inherited from the parent). */ (void) signal (SIGCHLD, SIG_IGN); #else /* on system-V systems, we are ignoring SIGCHLD. we have to stop * ignoring it now or the wait() in cron_pclose() won't work. * because of this, we have to wait() for our children here, as well. */ (void) signal (SIGCHLD, SIG_DFL); #endif /* USE_SIGCHLD */ /* create some pipes to talk to our future child */ pipe (stdin_pipe); /* child's stdin */ pipe (stdout_pipe); /* child's stdout */ /* since we are a forked process, we can diddle the command string * we were passed -- nobody else is going to use it again, right? * * if a % is present in the command, previous characters are the * command, and subsequent characters are the additional input to * the command. Subsequent %'s will be transformed into newlines, * but that happens later. */ /*local */ { register int escaped = FALSE; register int ch; for (input_data = e->cmd; (ch = *input_data); input_data++) { if (escaped) { escaped = FALSE; continue; } if (ch == '\\') { escaped = TRUE; continue; } if (ch == '%') { *input_data++ = '\0'; break; } } } /* fork again, this time so we can exec the user's command. */ switch (vfork ()) { case -1: log_it ("CRON", getpid (), "error", "can't vfork"); exit (ERROR_EXIT); /*NOTREACHED*/ case 0: Debug (DPROC, ("[%d] grandchild process Vfork()'ed\n", getpid ())); /* write a log message. we've waited this long to do it * because it was not until now that we knew the PID that * the actual user command shell was going to get and the * PID is part of the log message. */ /*local */ { char *x = mkprints ((u_char *) e->cmd, strlen (e->cmd)); log_it (usernm, getpid (), "CMD", x); free (x); } /* that's the last thing we'll log. close the log files. */ #ifdef HAVE_SYSLOG_H if (log_syslog) closelog (); #endif /* get new pgrp, void tty, etc. */ (void) setsid (); /* close the pipe ends that we won't use. this doesn't affect * the parent, who has to read and write them; it keeps the * kernel from recording us as a potential client TWICE -- * which would keep it from sending SIGPIPE in otherwise * appropriate circumstances. */ close (stdin_pipe[WRITE_PIPE]); close (stdout_pipe[READ_PIPE]); /* grandchild process. make std{in,out} be the ends of * pipes opened by our daddy; make stderr go to stdout. */ close (STDIN); dup2 (stdin_pipe[READ_PIPE], STDIN); close (STDOUT); dup2 (stdout_pipe[WRITE_PIPE], STDOUT); close (STDERR); dup2 (STDOUT, STDERR); /* close the pipes we just dup'ed. The resources will remain. */ close (stdin_pipe[READ_PIPE]); close (stdout_pipe[WRITE_PIPE]); /* set our directory, uid and gid. Set gid first, since once * we set uid, we've lost root privledges. */ setgid (e->gid); #ifdef HAVE_INITGROUPS initgroups (env_get ("LOGNAME", e->envp), e->gid); #endif setuid (e->uid); /* we aren't root after this... */ chdir (env_get ("HOME", e->envp)); /* exec the command. */ { char *shell = env_get ("SHELL", e->envp); #if DEBUGGING if (DebugFlags & DTEST) { fprintf (stderr, "debug DTEST is on, not exec'ing command.\n"); fprintf (stderr, "\tcmd='%s' shell='%s'\n", e->cmd, shell); _exit (OK_EXIT); } #endif /*DEBUGGING*/ #ifdef USE_SIGCHLD /* Our grandparent is watching for our parent's death by * catching SIGCHLD. Meanwhile, our parent will use wait * explicitly and so has disabled SIGCHLD. So now it's * time to reset SIGCHLD handling. */ (void) signal (SIGCHLD, SIG_DFL); #endif execle (shell, shell, "-c", e->cmd, (char *) 0, e->envp); fprintf (stderr, "execl: couldn't exec `%s'\n", shell); perror ("execl"); execle (shell, shell, "-c", e->cmd, (char *) 0, e->envp); fprintf (stderr, "execl: couldn't exec `%s'\n", shell); perror ("execl"); _exit (ERROR_EXIT); } break; default: /* parent process */ break; } children++; /* middle process, child of original cron, parent of process running * the user's command. */ Debug (DPROC, ("[%d] child continues, closing pipes\n", getpid ())); /* close the ends of the pipe that will only be referenced in the * grandchild process... */ close (stdin_pipe[READ_PIPE]); close (stdout_pipe[WRITE_PIPE]); /* * write, to the pipe connected to child's stdin, any input specified * after a % in the crontab entry. while we copy, convert any * additional %'s to newlines. when done, if some characters were * written and the last one wasn't a newline, write a newline. * * Note that if the input data won't fit into one pipe buffer (2K * or 4K on most BSD systems), and the child doesn't read its stdin, * we would block here. thus we must fork again. */ if (*input_data && fork () == 0) { register FILE *out = fdopen (stdin_pipe[WRITE_PIPE], "w"); register int need_newline = FALSE; register int escaped = FALSE; register int ch; Debug (DPROC, ("[%d] child2 sending data to grandchild\n", getpid ())); /* close the pipe we don't use, since we inherited it and * are part of its reference count now. */ close (stdout_pipe[READ_PIPE]); /* translation: * \% -> % * % -> \n * \x -> \x for all x != % */ while ((ch = *input_data++)) { if (escaped) { if (ch != '%') putc ('\\', out); } else { if (ch == '%') ch = '\n'; } if (!(escaped = (ch == '\\'))) { putc (ch, out); need_newline = (ch != '\n'); } } if (escaped) putc ('\\', out); if (need_newline) putc ('\n', out); /* close the pipe, causing an EOF condition. fclose causes * stdin_pipe[WRITE_PIPE] to be closed, too. */ fclose (out); Debug (DPROC, ("[%d] child2 done sending to grandchild\n", getpid ())); exit (0); } /* close the pipe to the grandkiddie's stdin, since its wicked uncle * ernie back there has it open and will close it when he's done. */ close (stdin_pipe[WRITE_PIPE]); children++; /* * read output from the grandchild. it's stderr has been redirected to * it's stdout, which has been redirected to our pipe. if there is any * output, we'll be mailing it to the user whose crontab this is... * when the grandchild exits, we'll get EOF. */ Debug (DPROC, ("[%d] child reading output from grandchild\n", getpid ())); /*local */ { char mailcmd[MAX_COMMAND]; register FILE *in = fdopen (stdout_pipe[READ_PIPE], "r"); register int ch = getc (in); if (ch != EOF) { register FILE *mail; register int bytes = 1; int status = 0; Debug (DPROC | DEXT, ("[%d] got data (%x:%c) from grandchild\n", getpid (), ch, ch)); /* get name of recipient. this is MAILTO if set to a * valid local username; USER otherwise. */ if (mailto) { /* MAILTO was present in the environment */ if (!*mailto) { /* ... but it's empty. set to NULL */ mailto = NULL; } } else { /* MAILTO not present, set to USER. */ mailto = usernm; } /* if we are supposed to be mailing, MAILTO will * be non-NULL. only in this case should we set * up the mail command and subjects and stuff... */ if (mailto) { register char **env; auto char hostname[MAXHOSTNAMELEN]; (void) gethostname (hostname, MAXHOSTNAMELEN); (void) snprintf (mailcmd, MAX_COMMAND, mailargs, mailprog, mailto); if (!(mail = cron_popen (mailcmd, "w", e))) { fprintf (stderr, "Unable to create process to mail job results.\n" "Mail command was: '%s'. \n" "popen() returned errno %s (%d).\n", mailcmd, strerror (errno), errno); (void) _exit (ERROR_EXIT); } fprintf (mail, "From: root (Cron Daemon)\n"); fprintf (mail, "To: %s\n", mailto); fprintf (mail, "Subject: Cron <%s@%s> %s\n", usernm, first_word (hostname, "."), e->cmd); # if defined(MAIL_DATE) fprintf (mail, "Date: %s\n", arpadate (&TargetTime)); # endif /* MAIL_DATE */ if (verbose) { for (env = e->envp; *env; env++) fprintf (mail, "X-Cron-Env: <%s>\n", *env); } fprintf (mail, "\n"); /* this was the first char from the pipe */ putc (ch, mail); } /* we have to read the input pipe no matter whether * we mail or not, but obviously we only write to * mail pipe if we ARE mailing. */ while (EOF != (ch = getc (in))) { bytes++; if (mailto) putc (ch, mail); } /* only close pipe if we opened it -- i.e., we're * mailing... */ if (mailto) { Debug (DPROC, ("[%d] closing pipe to mail\n", getpid ())); /* Note: the pclose will probably see * the termination of the grandchild * in addition to the mail process, since * it (the grandchild) is likely to exit * after closing its stdout. */ status = cron_pclose (mail); } /* if there was output and we could not mail it, * log the facts so the poor user can figure out * what's going on. */ if (mailto && status) { char buf[MAX_TEMPSTR]; snprintf (buf, MAX_TEMPSTR, "mailed %d byte%s of output but got status 0x%04x.\n" "mail command was '%s'\n", bytes, (bytes == 1) ? "" : "s", status, mailcmd); log_it (usernm, getpid (), "MAIL", buf); } } /*if data from grandchild */ Debug (DPROC, ("[%d] got EOF from grandchild\n", getpid ())); fclose (in); /* also closes stdout_pipe[READ_PIPE] */ } /* wait for children to die. */ for (; children > 0; children--) { WAIT_T waiter; pid_t pid; Debug (DPROC, ("[%d] waiting for grandchild #%d to finish\n", getpid (), children)); pid = wait (&waiter); if (pid < OK) { Debug (DPROC, ("[%d] no more grandchildren--mail written?\n", getpid ())); break; } Debug (DPROC, ("[%d] grandchild #%d finished, status=%04x", getpid (), pid, WEXITSTATUS (waiter))); if (WIFSIGNALED (waiter) && WCOREDUMP (waiter)) Debug (DPROC, (", dumped core")); Debug (DPROC, ("\n")); } }