1 /* Copyright 1999-2006 The Apache Software Foundation or its licensors, as
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 * http_log.c: Dealing with the logs and errors
25 #include "apr_general.h" /* for signal stuff */
26 #include "apr_strings.h"
27 #include "apr_errno.h"
28 #include "apr_thread_proc.h"
30 #include "apr_signal.h"
32 #define APR_WANT_STDIO
33 #define APR_WANT_STRFUNC
45 #include "ap_config.h"
47 #include "http_config.h"
48 #include "http_core.h"
50 #include "http_main.h"
51 #include "util_time.h"
60 APR_HOOK_LINK(error_log)
63 int AP_DECLARE_DATA ap_default_loglevel = DEFAULT_LOGLEVEL;
67 static const TRANS facilities[] = {
70 {"authpriv",LOG_AUTHPRIV},
76 {"daemon", LOG_DAEMON},
94 {"syslog", LOG_SYSLOG},
103 {"local0", LOG_LOCAL0},
106 {"local1", LOG_LOCAL1},
109 {"local2", LOG_LOCAL2},
112 {"local3", LOG_LOCAL3},
115 {"local4", LOG_LOCAL4},
118 {"local5", LOG_LOCAL5},
121 {"local6", LOG_LOCAL6},
124 {"local7", LOG_LOCAL7},
130 static const TRANS priorities[] = {
131 {"emerg", APLOG_EMERG},
132 {"alert", APLOG_ALERT},
133 {"crit", APLOG_CRIT},
134 {"error", APLOG_ERR},
135 {"warn", APLOG_WARNING},
136 {"notice", APLOG_NOTICE},
137 {"info", APLOG_INFO},
138 {"debug", APLOG_DEBUG},
142 static apr_file_t *stderr_log = NULL;
144 /* track pipe handles to close in child process */
145 typedef struct read_handle_t {
146 struct read_handle_t *next;
150 static read_handle_t *read_handles;
152 /* clear_handle_list() is called when plog is cleared; at that
153 * point we need to forget about our old list of pipe read
156 static apr_status_t clear_handle_list(void *v)
162 /* remember to close this handle in the child process */
163 static void close_handle_in_child(apr_pool_t *p, apr_file_t *f)
165 read_handle_t *new_handle;
167 new_handle = apr_pcalloc(p, sizeof(read_handle_t));
168 new_handle->next = read_handles;
169 new_handle->handle = f;
170 read_handles = new_handle;
173 void ap_logs_child_init(apr_pool_t *p, server_rec *s)
175 read_handle_t *cur = read_handles;
178 apr_file_close(cur->handle);
183 AP_DECLARE(void) ap_open_stderr_log(apr_pool_t *p)
185 apr_file_open_stderr(&stderr_log, p);
188 AP_DECLARE(apr_status_t) ap_replace_stderr_log(apr_pool_t *p,
191 apr_file_t *stderr_file;
193 char *filename = ap_server_root_relative(p, fname);
195 ap_log_error(APLOG_MARK, APLOG_STARTUP|APLOG_CRIT,
196 APR_EBADPATH, NULL, "Invalid -E error log file %s",
200 if ((rc = apr_file_open(&stderr_file, filename,
201 APR_APPEND | APR_WRITE | APR_CREATE | APR_LARGEFILE,
202 APR_OS_DEFAULT, p)) != APR_SUCCESS) {
203 ap_log_error(APLOG_MARK, APLOG_STARTUP, rc, NULL,
204 "%s: could not open error log file %s.",
205 ap_server_argv0, fname);
208 if ((rc = apr_file_open_stderr(&stderr_log, p)) == APR_SUCCESS) {
209 apr_file_flush(stderr_log);
210 if ((rc = apr_file_dup2(stderr_log, stderr_file, p)) == APR_SUCCESS) {
211 apr_file_close(stderr_file);
214 if (rc != APR_SUCCESS) {
215 ap_log_error(APLOG_MARK, APLOG_CRIT, rc, NULL,
216 "unable to replace stderr with error_log");
221 static void log_child_errfn(apr_pool_t *pool, apr_status_t err,
222 const char *description)
224 ap_log_error(APLOG_MARK, APLOG_ERR, err, NULL,
228 static int log_child(apr_pool_t *p, const char *progname,
231 /* Child process code for 'ErrorLog "|..."';
232 * may want a common framework for this, since I expect it will
233 * be common for other foo-loggers to want this sort of thing...
236 apr_procattr_t *procattr;
239 if (((rc = apr_procattr_create(&procattr, p)) == APR_SUCCESS)
240 && ((rc = apr_procattr_cmdtype_set(procattr,
241 APR_SHELLCMD_ENV)) == APR_SUCCESS)
242 && ((rc = apr_procattr_io_set(procattr,
245 APR_NO_PIPE)) == APR_SUCCESS)
246 && ((rc = apr_procattr_error_check_set(procattr, 1)) == APR_SUCCESS)
247 && ((rc = apr_procattr_child_errfn_set(procattr, log_child_errfn)) == APR_SUCCESS)) {
251 apr_tokenize_to_argv(progname, &args, p);
252 pname = apr_pstrdup(p, args[0]);
253 procnew = (apr_proc_t *)apr_pcalloc(p, sizeof(*procnew));
254 rc = apr_proc_create(procnew, pname, (const char * const *)args,
257 if (rc == APR_SUCCESS) {
258 apr_pool_note_subprocess(p, procnew, APR_KILL_AFTER_TIMEOUT);
259 (*fpin) = procnew->in;
260 /* read handle to pipe not kept open, so no need to call
261 * close_handle_in_child()
269 static int open_error_log(server_rec *s, apr_pool_t *p)
274 if (*s->error_fname == '|') {
275 apr_file_t *dummy = NULL;
277 /* This starts a new process... */
278 rc = log_child (p, s->error_fname + 1, &dummy);
279 if (rc != APR_SUCCESS) {
280 ap_log_error(APLOG_MARK, APLOG_STARTUP, rc, NULL,
281 "Couldn't start ErrorLog process");
285 s->error_log = dummy;
289 else if (!strncasecmp(s->error_fname, "syslog", 6)) {
290 if ((fname = strchr(s->error_fname, ':'))) {
294 for (fac = facilities; fac->t_name; fac++) {
295 if (!strcasecmp(fname, fac->t_name)) {
296 openlog(ap_server_argv0, LOG_NDELAY|LOG_CONS|LOG_PID,
304 openlog(ap_server_argv0, LOG_NDELAY|LOG_CONS|LOG_PID, LOG_LOCAL7);
311 fname = ap_server_root_relative(p, s->error_fname);
313 ap_log_error(APLOG_MARK, APLOG_STARTUP, APR_EBADPATH, NULL,
314 "%s: Invalid error log path %s.",
315 ap_server_argv0, s->error_fname);
318 if ((rc = apr_file_open(&s->error_log, fname,
319 APR_APPEND | APR_WRITE | APR_CREATE | APR_LARGEFILE,
320 APR_OS_DEFAULT, p)) != APR_SUCCESS) {
321 ap_log_error(APLOG_MARK, APLOG_STARTUP, rc, NULL,
322 "%s: could not open error log file %s.",
323 ap_server_argv0, fname);
331 int ap_open_logs(apr_pool_t *pconf, apr_pool_t *p /* plog */,
332 apr_pool_t *ptemp, server_rec *s_main)
334 apr_status_t rc = APR_SUCCESS;
335 server_rec *virt, *q;
337 apr_file_t *errfile = NULL;
339 apr_pool_cleanup_register(p, NULL, clear_handle_list,
340 apr_pool_cleanup_null);
341 if (open_error_log(s_main, p) != OK) {
346 if (s_main->error_log) {
347 /* replace stderr with this new log */
348 apr_file_flush(s_main->error_log);
349 if ((rc = apr_file_open_stderr(&errfile, p)) == APR_SUCCESS) {
350 rc = apr_file_dup2(errfile, s_main->error_log, p);
352 if (rc != APR_SUCCESS) {
353 ap_log_error(APLOG_MARK, APLOG_CRIT, rc, s_main,
354 "unable to replace stderr with error_log");
360 /* note that stderr may still need to be replaced with something
361 * because it points to the old error log, or back to the tty
363 * XXX: This is BS - /dev/null is non-portable
365 if (replace_stderr && freopen("/dev/null", "w", stderr) == NULL) {
366 ap_log_error(APLOG_MARK, APLOG_CRIT, errno, s_main,
367 "unable to replace stderr with /dev/null");
370 for (virt = s_main->next; virt; virt = virt->next) {
371 if (virt->error_fname) {
372 for (q=s_main; q != virt; q = q->next) {
373 if (q->error_fname != NULL
374 && strcmp(q->error_fname, virt->error_fname) == 0) {
380 if (open_error_log(virt, p) != OK) {
385 virt->error_log = q->error_log;
389 virt->error_log = s_main->error_log;
395 AP_DECLARE(void) ap_error_log2stderr(server_rec *s) {
396 apr_file_t *errfile = NULL;
398 apr_file_open_stderr(&errfile, s->process->pool);
399 if (s->error_log != NULL) {
400 apr_file_dup2(s->error_log, errfile, s->process->pool);
404 static void log_error_core(const char *file, int line, int level,
405 apr_status_t status, const server_rec *s,
407 const request_rec *r, apr_pool_t *pool,
408 const char *fmt, va_list args)
410 char errstr[MAX_STRING_LEN];
411 #ifndef AP_UNSAFE_ERROR_LOG_UNESCAPED
412 char scratch[MAX_STRING_LEN];
414 apr_size_t len, errstrlen;
415 apr_file_t *logf = NULL;
417 int level_and_mask = level & APLOG_LEVELMASK;
419 if (r && r->connection) {
425 * If we are doing stderr logging (startup), don't log messages that are
426 * above the default server log level unless it is a startup/shutdown
429 if ((level_and_mask != APLOG_NOTICE)
430 && (level_and_mask > ap_default_loglevel)) {
436 else if (s->error_log) {
438 * If we are doing normal logging, don't log messages that are
439 * above the server log level unless it is a startup/shutdown notice
441 if ((level_and_mask != APLOG_NOTICE)
442 && (level_and_mask > s->loglevel)) {
449 else if (tpf_child) {
451 * If we are doing normal logging, don't log messages that are
452 * above the server log level unless it is a startup/shutdown notice
454 if ((level_and_mask != APLOG_NOTICE)
455 && (level_and_mask > s->loglevel)) {
464 * If we are doing syslog logging, don't log messages that are
465 * above the server log level (including a startup/shutdown notice)
467 if (level_and_mask > s->loglevel) {
472 if (logf && ((level & APLOG_STARTUP) != APLOG_STARTUP)) {
474 ap_recent_ctime(errstr + 1, apr_time_now());
475 errstr[1 + APR_CTIME_LEN - 1] = ']';
476 errstr[1 + APR_CTIME_LEN ] = ' ';
477 len = 1 + APR_CTIME_LEN + 1;
482 if ((level & APLOG_STARTUP) != APLOG_STARTUP) {
483 len += apr_snprintf(errstr + len, MAX_STRING_LEN - len,
484 "[%s] ", priorities[level_and_mask].t_name);
488 if (file && level_and_mask == APLOG_DEBUG) {
489 #if defined(_OSD_POSIX) || defined(WIN32) || defined(__MVS__)
491 char *e = strrchr(file, '/');
494 e = strrchr(file, '\\');
498 /* In OSD/POSIX, the compiler returns for __FILE__
499 * a string like: __FILE__="*POSIX(/usr/include/stdio.h)"
500 * (it even returns an absolute path for sources in
501 * the current directory). Here we try to strip this
502 * down to the basename.
504 if (e != NULL && e[1] != '\0') {
505 apr_snprintf(tmp, sizeof(tmp), "%s", &e[1]);
506 e = &tmp[strlen(tmp)-1];
512 #else /* _OSD_POSIX || WIN32 */
514 /* On Unix, __FILE__ may be an absolute path in a
516 if (file[0] == '/' && (p = ap_strrchr_c(file, '/')) != NULL) {
519 #endif /*_OSD_POSIX || WIN32 */
520 len += apr_snprintf(errstr + len, MAX_STRING_LEN - len,
521 "%s(%d): ", file, line);
526 /* XXX: TODO: add a method of selecting whether logged client
527 * addresses are in dotted quad or resolved form... dotted
528 * quad is the most secure, which is why I'm implementing it
531 len += apr_snprintf(errstr + len, MAX_STRING_LEN - len,
532 "[client %s] ", c->remote_ip);
535 if (status < APR_OS_START_EAIERR) {
536 len += apr_snprintf(errstr + len, MAX_STRING_LEN - len,
539 else if (status < APR_OS_START_SYSERR) {
540 len += apr_snprintf(errstr + len, MAX_STRING_LEN - len,
541 "(EAI %d)", status - APR_OS_START_EAIERR);
543 else if (status < 100000 + APR_OS_START_SYSERR) {
544 len += apr_snprintf(errstr + len, MAX_STRING_LEN - len,
545 "(OS %d)", status - APR_OS_START_SYSERR);
548 len += apr_snprintf(errstr + len, MAX_STRING_LEN - len,
549 "(os 0x%08x)", status - APR_OS_START_SYSERR);
551 apr_strerror(status, errstr + len, MAX_STRING_LEN - len);
552 len += strlen(errstr + len);
553 if (MAX_STRING_LEN - len > 2) {
561 #ifndef AP_UNSAFE_ERROR_LOG_UNESCAPED
562 if (apr_vsnprintf(scratch, MAX_STRING_LEN - len, fmt, args)) {
563 len += ap_escape_errorlog_item(errstr + len, scratch,
564 MAX_STRING_LEN - len);
567 len += apr_vsnprintf(errstr + len, MAX_STRING_LEN - len, fmt, args);
570 if ( r && (referer = apr_table_get(r->headers_in, "Referer"))
571 #ifndef AP_UNSAFE_ERROR_LOG_UNESCAPED
572 && ap_escape_errorlog_item(scratch, referer, MAX_STRING_LEN - len)
575 len += apr_snprintf(errstr + len, MAX_STRING_LEN - len,
577 #ifndef AP_UNSAFE_ERROR_LOG_UNESCAPED
585 /* NULL if we are logging to syslog */
587 /* Truncate for the terminator (as apr_snprintf does) */
588 if (len > MAX_STRING_LEN - sizeof(APR_EOL_STR)) {
589 len = MAX_STRING_LEN - sizeof(APR_EOL_STR);
591 strcpy(errstr + len, APR_EOL_STR);
592 apr_file_puts(errstr, logf);
593 apr_file_flush(logf);
597 syslog(level_and_mask, "%s", errstr);
601 ap_run_error_log(file, line, level, status, s, r, pool, errstr + errstrlen);
604 AP_DECLARE(void) ap_log_error(const char *file, int line, int level,
605 apr_status_t status, const server_rec *s,
606 const char *fmt, ...)
611 log_error_core(file, line, level, status, s, NULL, NULL, NULL, fmt, args);
615 AP_DECLARE(void) ap_log_perror(const char *file, int line, int level,
616 apr_status_t status, apr_pool_t *p,
617 const char *fmt, ...)
622 log_error_core(file, line, level, status, NULL, NULL, NULL, p, fmt, args);
626 AP_DECLARE(void) ap_log_rerror(const char *file, int line, int level,
627 apr_status_t status, const request_rec *r,
628 const char *fmt, ...)
633 log_error_core(file, line, level, status, r->server, NULL, r, NULL, fmt,
637 * IF APLOG_TOCLIENT is set,
638 * AND the error level is 'warning' or more severe,
639 * AND there isn't already error text associated with this request,
640 * THEN make the message text available to ErrorDocument and
641 * other error processors.
645 if ((level & APLOG_TOCLIENT)
646 && ((level & APLOG_LEVELMASK) <= APLOG_WARNING)
647 && (apr_table_get(r->notes, "error-notes") == NULL)) {
648 apr_table_setn(r->notes, "error-notes",
649 ap_escape_html(r->pool, apr_pvsprintf(r->pool, fmt,
655 AP_DECLARE(void) ap_log_cerror(const char *file, int line, int level,
656 apr_status_t status, const conn_rec *c,
657 const char *fmt, ...)
662 log_error_core(file, line, level, status, c->base_server, c, NULL, NULL,
667 AP_DECLARE(void) ap_log_pid(apr_pool_t *p, const char *filename)
669 apr_file_t *pid_file = NULL;
671 static pid_t saved_pid = -1;
680 fname = ap_server_root_relative(p, filename);
682 ap_log_error(APLOG_MARK, APLOG_STARTUP|APLOG_CRIT, APR_EBADPATH,
683 NULL, "Invalid PID file path %s, ignoring.", filename);
688 if (mypid != saved_pid
689 && apr_stat(&finfo, fname, APR_FINFO_MTIME, p) == APR_SUCCESS) {
690 /* AP_SIG_GRACEFUL and HUP call this on each restart.
691 * Only warn on first time through for this pid.
693 * XXX: Could just write first time through too, although
694 * that may screw up scripts written to do something
695 * based on the last modification time of the pid file.
697 ap_log_perror(APLOG_MARK, APLOG_WARNING, 0, p,
698 "pid file %s overwritten -- Unclean "
699 "shutdown of previous Apache run?",
703 if ((rv = apr_file_open(&pid_file, fname,
704 APR_WRITE | APR_CREATE | APR_TRUNCATE,
705 APR_UREAD | APR_UWRITE | APR_GREAD | APR_WREAD, p))
707 ap_log_error(APLOG_MARK, APLOG_ERR, rv, NULL,
708 "could not create %s", fname);
709 ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
710 "%s: could not log pid to file %s",
711 ap_server_argv0, fname);
714 apr_file_printf(pid_file, "%ld" APR_EOL_STR, (long)mypid);
715 apr_file_close(pid_file);
719 AP_DECLARE(apr_status_t) ap_read_pid(apr_pool_t *p, const char *filename,
722 const apr_size_t BUFFER_SIZE = sizeof(long) * 3 + 2; /* see apr_ltoa */
723 apr_file_t *pid_file = NULL;
727 apr_size_t bytes_read;
733 fname = ap_server_root_relative(p, filename);
735 ap_log_error(APLOG_MARK, APLOG_STARTUP|APLOG_CRIT, APR_EBADPATH,
736 NULL, "Invalid PID file path %s, ignoring.", filename);
740 rv = apr_file_open(&pid_file, fname, APR_READ, APR_OS_DEFAULT, p);
741 if (rv != APR_SUCCESS) {
745 buf = apr_palloc(p, BUFFER_SIZE);
747 rv = apr_file_read_full(pid_file, buf, BUFFER_SIZE - 1, &bytes_read);
748 if (rv != APR_SUCCESS && rv != APR_EOF) {
752 /* If we fill the buffer, we're probably reading a corrupt pid file.
753 * To be nice, let's also ensure the first char is a digit. */
754 if (bytes_read == 0 || bytes_read == BUFFER_SIZE - 1 || !apr_isdigit(*buf)) {
758 buf[bytes_read] = '\0';
759 *mypid = strtol(buf, &endptr, 10);
761 apr_file_close(pid_file);
765 AP_DECLARE(void) ap_log_assert(const char *szExp, const char *szFile,
768 char time_str[APR_CTIME_LEN];
770 apr_ctime(time_str, apr_time_now());
771 ap_log_error(APLOG_MARK, APLOG_CRIT, 0, NULL,
772 "[%s] file %s, line %d, assertion \"%s\" failed",
773 time_str, szFile, nLine, szExp);
777 /* unix assert does an abort leading to a core dump */
782 /* piped log support */
784 #ifdef AP_HAVE_RELIABLE_PIPED_LOGS
785 /* forward declaration */
786 static void piped_log_maintenance(int reason, void *data, apr_wait_t status);
788 /* Spawn the piped logger process pl->program. */
789 static apr_status_t piped_log_spawn(piped_log *pl)
791 apr_procattr_t *procattr;
792 apr_proc_t *procnew = NULL;
795 if (((status = apr_procattr_create(&procattr, pl->p)) != APR_SUCCESS) ||
796 ((status = apr_procattr_cmdtype_set(procattr,
797 APR_SHELLCMD_ENV)) != APR_SUCCESS) ||
798 ((status = apr_procattr_child_in_set(procattr,
799 ap_piped_log_read_fd(pl),
800 ap_piped_log_write_fd(pl)))
802 ((status = apr_procattr_child_errfn_set(procattr, log_child_errfn))
804 ((status = apr_procattr_error_check_set(procattr, 1)) != APR_SUCCESS)) {
806 /* Something bad happened, give up and go away. */
807 ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
808 "piped_log_spawn: unable to setup child process '%s': %s",
809 pl->program, apr_strerror(status, buf, sizeof(buf)));
815 apr_tokenize_to_argv(pl->program, &args, pl->p);
816 pname = apr_pstrdup(pl->p, args[0]);
817 procnew = apr_pcalloc(pl->p, sizeof(apr_proc_t));
818 status = apr_proc_create(procnew, pname, (const char * const *) args,
819 NULL, procattr, pl->p);
821 if (status == APR_SUCCESS) {
823 /* procnew->in was dup2'd from ap_piped_log_write_fd(pl);
824 * since the original fd is still valid, close the copy to
826 apr_file_close(procnew->in);
828 apr_proc_other_child_register(procnew, piped_log_maintenance, pl,
829 ap_piped_log_write_fd(pl), pl->p);
830 close_handle_in_child(pl->p, ap_piped_log_read_fd(pl));
834 /* Something bad happened, give up and go away. */
835 ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
836 "unable to start piped log program '%s': %s",
837 pl->program, apr_strerror(status, buf, sizeof(buf)));
845 static void piped_log_maintenance(int reason, void *data, apr_wait_t status)
847 piped_log *pl = data;
852 case APR_OC_REASON_DEATH:
853 case APR_OC_REASON_LOST:
854 pl->pid = NULL; /* in case we don't get it going again, this
855 * tells other logic not to try to kill it
857 apr_proc_other_child_unregister(pl);
858 stats = ap_mpm_query(AP_MPMQ_MPM_STATE, &mpm_state);
859 if (stats != APR_SUCCESS) {
860 ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
861 "can't query MPM state; not restarting "
862 "piped log program '%s'",
865 else if (mpm_state != AP_MPMQ_STOPPING) {
866 ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
867 "piped log program '%s' failed unexpectedly",
869 if ((stats = piped_log_spawn(pl)) != APR_SUCCESS) {
870 /* what can we do? This could be the error log we're having
871 * problems opening up... */
873 ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
874 "piped_log_maintenance: unable to respawn '%s': %s",
875 pl->program, apr_strerror(stats, buf, sizeof(buf)));
880 case APR_OC_REASON_UNWRITABLE:
881 /* We should not kill off the pipe here, since it may only be full.
882 * If it really is locked, we should kill it off manually. */
885 case APR_OC_REASON_RESTART:
886 if (pl->pid != NULL) {
887 apr_proc_kill(pl->pid, SIGTERM);
892 case APR_OC_REASON_UNREGISTER:
898 static apr_status_t piped_log_cleanup_for_exec(void *data)
900 piped_log *pl = data;
902 apr_file_close(ap_piped_log_read_fd(pl));
903 apr_file_close(ap_piped_log_write_fd(pl));
908 static apr_status_t piped_log_cleanup(void *data)
910 piped_log *pl = data;
912 if (pl->pid != NULL) {
913 apr_proc_kill(pl->pid, SIGTERM);
915 return piped_log_cleanup_for_exec(data);
919 AP_DECLARE(piped_log *) ap_open_piped_log(apr_pool_t *p, const char *program)
923 pl = apr_palloc(p, sizeof (*pl));
925 pl->program = apr_pstrdup(p, program);
927 if (apr_file_pipe_create(&ap_piped_log_read_fd(pl),
928 &ap_piped_log_write_fd(pl), p) != APR_SUCCESS) {
931 apr_pool_cleanup_register(p, pl, piped_log_cleanup,
932 piped_log_cleanup_for_exec);
933 if (piped_log_spawn(pl) != APR_SUCCESS) {
934 apr_pool_cleanup_kill(p, pl, piped_log_cleanup);
935 apr_file_close(ap_piped_log_read_fd(pl));
936 apr_file_close(ap_piped_log_write_fd(pl));
942 #else /* !AP_HAVE_RELIABLE_PIPED_LOGS */
944 static apr_status_t piped_log_cleanup(void *data)
946 piped_log *pl = data;
948 apr_file_close(ap_piped_log_write_fd(pl));
952 AP_DECLARE(piped_log *) ap_open_piped_log(apr_pool_t *p, const char *program)
955 apr_file_t *dummy = NULL;
958 rc = log_child(p, program, &dummy);
959 if (rc != APR_SUCCESS) {
960 ap_log_error(APLOG_MARK, APLOG_STARTUP, rc, NULL,
961 "Couldn't start piped log process");
965 pl = apr_palloc(p, sizeof (*pl));
967 ap_piped_log_read_fd(pl) = NULL;
968 ap_piped_log_write_fd(pl) = dummy;
969 apr_pool_cleanup_register(p, pl, piped_log_cleanup, piped_log_cleanup);
976 AP_DECLARE(void) ap_close_piped_log(piped_log *pl)
978 apr_pool_cleanup_run(pl->p, pl, piped_log_cleanup);
981 AP_IMPLEMENT_HOOK_VOID(error_log,
982 (const char *file, int line, int level,
983 apr_status_t status, const server_rec *s,
984 const request_rec *r, apr_pool_t *pool,
985 const char *errstr), (file, line, level,
986 status, s, r, pool, errstr))