cronie/cronie-1.2-reload.patch

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diff -up cronie-1.2/src/database.c.reload cronie-1.2/src/database.c
--- cronie-1.2/src/database.c.reload 2008-12-19 11:34:04.000000000 +0100
+++ cronie-1.2/src/database.c 2008-12-22 14:22:30.000000000 +0100
@@ -153,7 +153,7 @@ process_crontab(const char *uname, const
#if defined WITH_INOTIFY
void
-check_inotify_database(cron_db *old_db, int fd) {
+check_inotify_database(cron_db *old_db) {
cron_db new_db;
DIR_T *dp;
DIR *dir;
@@ -167,17 +167,18 @@ check_inotify_database(cron_db *old_db,
time.tv_usec = 0;
FD_ZERO(&rfds);
- FD_SET(fd, &rfds);
+ FD_SET(old_db->ifd, &rfds);
- retval = select(fd + 1, &rfds, NULL, NULL, &time);
+ retval = select(old_db->ifd + 1, &rfds, NULL, NULL, &time);
if (retval == -1) {
if (errno != EINTR)
log_it("CRON", pid, "INOTIFY", "select failed", errno);
return;
}
- else if (FD_ISSET(fd, &rfds)) {
+ else if (FD_ISSET(old_db->ifd, &rfds)) {
new_db.head = new_db.tail = NULL;
- while ((retval=read(fd, buf, sizeof(buf))) == -1 && errno == EINTR);
+ new_db.ifd = old_db->ifd;
+ while ((retval=read(old_db->ifd, buf, sizeof(buf))) == -1 && errno == EINTR);
if (retval == 0) {
/* this should not happen as the buffer is large enough */
@@ -195,7 +196,7 @@ check_inotify_database(cron_db *old_db,
/* we must reinstate the watches here - TODO reinstate only watches
* which get IN_IGNORED event
*/
- set_cron_watched(fd);
+ set_cron_watched(old_db->ifd);
/* TODO: parse the events and read only affected files */
@@ -269,7 +270,7 @@ overwrite_database(cron_db *old_db, cron
*old_db = *new_db;
}
-void
+int
load_database(cron_db *old_db) {
struct stat statbuf, syscron_stat, crond_stat;
cron_db new_db;
@@ -318,7 +319,7 @@ load_database(cron_db *old_db) {
){
Debug(DLOAD, ("[%ld] spool dir mtime unch, no load needed.\n",
(long)pid))
- return;
+ return 0;
}
/* something's different. make a new database, moving unchanged
@@ -329,6 +330,9 @@ load_database(cron_db *old_db) {
new_db.mtime = TMAX(crond_stat.st_mtime,
TMAX(statbuf.st_mtime, syscron_stat.st_mtime));
new_db.head = new_db.tail = NULL;
+#if defined WITH_INOTIFY
+ new_db.ifd = old_db->ifd;
+#endif
if (syscron_stat.st_mtime)
process_crontab("root", NULL, SYSCRONTAB, &new_db, old_db);
@@ -382,6 +386,7 @@ load_database(cron_db *old_db) {
overwrite_database(old_db, &new_db);
Debug(DLOAD, ("load_database is done\n"))
+ return 1;
}
void
diff -up cronie-1.2/src/funcs.h.reload cronie-1.2/src/funcs.h
--- cronie-1.2/src/funcs.h.reload 2008-06-26 14:56:00.000000000 +0200
+++ cronie-1.2/src/funcs.h 2008-12-22 12:12:30.000000000 +0100
@@ -41,14 +41,13 @@ void set_cron_uid(void),
log_it(const char *, PID_T, const char *, const char *, int),
log_close(void);
#if defined WITH_INOTIFY
-void load_inotify_database(cron_db *, int ),
- set_cron_watched(int ),
+void set_cron_watched(int ),
set_cron_unwatched(int ),
- check_inotify_database(cron_db *, int );
+ check_inotify_database(cron_db *);
#endif
-void load_database(cron_db *);
-int job_runqueue(void),
+int load_database(cron_db *),
+ job_runqueue(void),
set_debug_flags(const char *),
get_char(FILE *),
get_string(char *, int, FILE *, char *),
diff -up cronie-1.2/src/structs.h.reload cronie-1.2/src/structs.h
--- cronie-1.2/src/structs.h.reload 2008-06-26 14:56:00.000000000 +0200
+++ cronie-1.2/src/structs.h 2008-12-22 12:06:04.000000000 +0100
@@ -60,6 +60,9 @@ typedef struct _user {
typedef struct _cron_db {
user *head, *tail; /* links */
time_t mtime; /* last modtime on spooldir */
+#ifdef WITH_INOTIFY
+ int ifd;
+#endif
} cron_db;
/* in the C tradition, we only create
* variables for the main program, just
diff -up cronie-1.2/src/cron.c.reload cronie-1.2/src/cron.c
--- cronie-1.2/src/cron.c.reload 2008-06-26 14:56:00.000000000 +0200
+++ cronie-1.2/src/cron.c 2008-12-22 14:38:13.000000000 +0100
@@ -79,7 +79,8 @@ set_cron_watched(int fd) {
int w;
w = inotify_add_watch(fd, watchpaths[i],
- IN_CLOSE_WRITE | IN_ATTRIB | IN_MOVED_TO | IN_MOVED_FROM | IN_MOVE_SELF | IN_DELETE);
+ IN_CREATE | IN_CLOSE_WRITE | IN_ATTRIB | IN_MODIFY | IN_MOVED_TO |
+ IN_MOVED_FROM | IN_MOVE_SELF | IN_DELETE | IN_DELETE_SELF);
if (w < 0) {
if (wd[i] != -1) {
log_it("CRON", pid, "This directory or file can't be watched", watchpaths[i], errno);
@@ -101,6 +102,27 @@ set_cron_watched(int fd) {
#endif
static void
+handle_signals(cron_db *database) {
+ if (got_sighup) {
+ got_sighup = 0;
+#if defined WITH_INOTIFY
+ /* watches must be reinstated on reload */
+ if (inotify_enabled) {
+ set_cron_unwatched(database->ifd);
+ inotify_enabled = 0;
+ }
+#endif
+ database->mtime = (time_t) 0;
+ log_close();
+ }
+
+ if (got_sigchld) {
+ got_sigchld = 0;
+ sigchld_reaper();
+ }
+}
+
+static void
usage(void) {
const char **dflags;
@@ -216,7 +238,7 @@ main(int argc, char *argv[]) {
wd[i] = -2;
}
- fd = inotify_init();
+ database.ifd = fd = inotify_init();
if (fd < 0)
log_it("CRON", pid, "INFO", "Inotify init failed", errno);
set_cron_watched(fd);
@@ -252,19 +274,19 @@ main(int argc, char *argv[]) {
* clock. Classify the change into one of 4 cases.
*/
timeDiff = timeRunning - virtualTime;
- if (inotify_enabled) {
#if defined WITH_INOTIFY
- check_inotify_database(&database, fd);
-#endif
+ if (inotify_enabled) {
+ check_inotify_database(&database);
}
else {
- load_database(&database);
-#if defined WITH_INOTIFY
- /* try reinstating the watches */
- set_cron_watched(fd);
-#endif
+ if(load_database(&database))
+ /* try reinstating the watches */
+ set_cron_watched(fd);
}
-
+#else
+ load_database(&database);
+#endif
+
/* shortcut for the most common case */
if (timeDiff == 1) {
virtualTime = timeRunning;
@@ -354,17 +376,7 @@ main(int argc, char *argv[]) {
/* Jobs to be run (if any) are loaded; clear the queue. */
job_runqueue();
- /* Check to see if we received a signal while running jobs. */
- if (got_sighup) {
- got_sighup = 0;
- if (!inotify_enabled)
- database.mtime = (time_t) 0;
- log_close();
- }
- if (got_sigchld) {
- got_sigchld = 0;
- sigchld_reaper();
- }
+ handle_signals(&database);
}
#if defined WITH_INOTIFY
@@ -502,16 +514,8 @@ cron_sleep(int target, cron_db *db) {
* If so, service the signal(s) then continue sleeping
* where we left off.
*/
- if (got_sighup) {
- got_sighup = 0;
- if (!inotify_enabled)
- db->mtime = (time_t) 0;
- log_close();
- }
- if (got_sigchld) {
- got_sigchld = 0;
- sigchld_reaper();
- }
+ handle_signals(db);
+
t2 = time(NULL) + GMToff;
seconds_to_wait -= (int)(t2 - t1);
t1 = t2;