device-mapper-multipath/0150-RHBZ-1253913-fix-startup-msg.patch

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device-mapper-multipath-0.4.9-82 - Modify 0005-RH-add-mpathconf.patch * changed warning message - Modify 0102-RHBZ-1160478-mpathconf-template.patch * updated man page - Modify 0104-RHBZ-631009-deferred-remove.patch * refactor code and minor fix - Refresh 0107-RHBZ-1169935-no-new-devs.patch - Refresh 0112-RHBZ-1194917-add-config_dir-option.patch - Refresh 0126-RHBZ-1211383-alias-collision.patch - Add 0133-RHBZ-1296979-fix-define.patch * look for the correct libudev function to set define - Add 0134-RHBZ-1241528-check-mpath-prefix.patch * only touch devices with a "mpath-" dm uuid prefix - Add 0135-RHBZ-1299600-path-dev-uevents.patch * trigger path uevent the first time a path is claimed by multipath - Add 0136-RHBZ-1304687-wait-for-map-add.patch * wait for the device to finish being added before reloading it. - Add 0137-RHBZ-1280524-clear-chkr-msg.patch - Add 0138-RHBZ-1288660-fix-mpathconf-allow.patch * don't remove existing lines from blacklist_exceptions section - Add 0139-RHBZ-1273173-queue-no-daemon-doc.patch - Add 0140-RHBZ-1299647-fix-help.patch - Add 0141-RHBZ-1303953-mpathpersist-typo.patch - Add 0142-RHBZ-1283750-kpartx-fix.patch * only remove devices if their uuid says that they are the correct partition device - Add 0143-RHBZ-1299648-kpartx-sync.patch * default to using udev sync mode - Add 0144-RHBZ-1299652-alua-pref-arg.patch * allow "exclusive_pref_bit" argument to alua prioritizer - Add 0145-UP-resize-help-msg.patch - Add 0146-UPBZ-1299651-raw-output.patch * allow raw format mutipathd show commands, that remove headers and padding - Add 0147-RHBZ-1272620-fail-rm-msg.patch - Add 0148-RHBZ-1292599-verify-before-remove.patch * verify that all partitions are unused before attempting to remove a device - Add 0149-RHBZ-1292599-restore-removed-parts.patch * don't disable kpartx when restoring the first path of a device. - Add 0150-RHBZ-1253913-fix-startup-msg.patch * wait for multipathd daemon to write pidfile before returning - Add 0151-RHBZ-1297456-weighted-fix.patch * add wwn keyword to weighted prioritizer for persistent naming - Add 0152-RHBZ-1269293-fix-blk-unit-file.patch * use "Wants" instead of "Requires" - Add 0153-RH-fix-i686-size-bug.patch * use 64-bit keycodes for multipathd client commands - Add 0154-UPBZ-1291406-disable-reinstate.patch * don't automatically reinstate ghost paths for implicit alua devices - Add 0155-UPBZ-1300415-PURE-config.patch * Add default config for PURE FlashArray - Add 0156-UPBZ-1313324-dont-fail-discovery.patch * don't fail discovery because individual paths failed. - Add 0157-RHBZ-1319853-multipath-c-error-msg.patch * better error reporting for multipath -c - Add 0158-RHBZ-1318581-timestamp-doc-fix.patch * add documentation for -T - Add 0159-UPBZ-1255885-udev-waits.patch * make multipath and kpartx wait after for udev after each command
2016-04-22 02:27:49 +00:00
---
multipathd/main.c | 38 +++++++++++++++++++++++++++++---------
1 file changed, 29 insertions(+), 9 deletions(-)
Index: multipath-tools-130222/multipathd/main.c
===================================================================
--- multipath-tools-130222.orig/multipathd/main.c
+++ multipath-tools-130222/multipathd/main.c
@@ -87,6 +87,7 @@ unsigned int mpath_mx_alloc_len;
int logsink;
enum daemon_status running_state;
pid_t daemon_pid;
+pid_t parent_pid = -1;
static sem_t exit_sem;
/*
@@ -1704,6 +1705,12 @@ sigusr2 (int sig)
}
static void
+sigalrm (int sig)
+{
+ exit(0);
+}
+
+static void
signal_init(void)
{
sigset_t set;
@@ -1806,6 +1813,9 @@ child (void * param)
}
running_state = DAEMON_START;
+ pid_rc = pidfile_create(DEFAULT_PIDFILE, daemon_pid);
+ if (parent_pid > 0)
+ kill(parent_pid, SIGALRM);
condlog(2, "--------start up--------");
condlog(2, "read " DEFAULT_CONFIGFILE);
@@ -1897,8 +1907,6 @@ child (void * param)
}
pthread_attr_destroy(&misc_attr);
- /* Startup complete, create logfile */
- pid_rc = pidfile_create(DEFAULT_PIDFILE, daemon_pid);
update_timestamp(1);
/* Ignore errors, we can live without */
@@ -1978,7 +1986,10 @@ daemonize(void)
{
int pid;
int dev_null_fd;
+ struct sigaction oldsig;
+ oldsig.sa_handler = signal_set(SIGALRM, sigalrm);
+ parent_pid = getpid();
if( (pid = fork()) < 0){
fprintf(stderr, "Failed first fork : %s\n", strerror(errno));
return -1;
@@ -1986,10 +1997,13 @@ daemonize(void)
else if (pid != 0)
return pid;
+ signal_set(SIGALRM, oldsig.sa_handler);
setsid();
- if ( (pid = fork()) < 0)
+ if ( (pid = fork()) < 0) {
fprintf(stderr, "Failed second fork : %s\n", strerror(errno));
+ goto fail;
+ }
else if (pid != 0)
_exit(0);
@@ -2000,30 +2014,34 @@ daemonize(void)
if (dev_null_fd < 0){
fprintf(stderr, "cannot open /dev/null for input & output : %s\n",
strerror(errno));
- _exit(0);
+ goto fail;
}
close(STDIN_FILENO);
if (dup(dev_null_fd) < 0) {
fprintf(stderr, "cannot dup /dev/null to stdin : %s\n",
strerror(errno));
- _exit(0);
+ goto fail;
}
close(STDOUT_FILENO);
if (dup(dev_null_fd) < 0) {
fprintf(stderr, "cannot dup /dev/null to stdout : %s\n",
strerror(errno));
- _exit(0);
+ goto fail;
}
close(STDERR_FILENO);
if (dup(dev_null_fd) < 0) {
fprintf(stderr, "cannot dup /dev/null to stderr : %s\n",
strerror(errno));
- _exit(0);
+ goto fail;
}
close(dev_null_fd);
daemon_pid = getpid();
return 0;
+
+fail:
+ kill(parent_pid, SIGALRM);
+ _exit(0);
}
int
@@ -2102,10 +2120,12 @@ main (int argc, char *argv[])
if (err < 0)
/* error */
exit(1);
- else if (err > 0)
+ else if (err > 0) {
+ /* wait up to 3 seconds for the child to start */
+ sleep(3);
/* parent dies */
exit(0);
- else
+ } else
/* child lives */
return (child(NULL));
}