diff options
| -rw-r--r-- | src/main.c | 25 |
1 files changed, 21 insertions, 4 deletions
@@ -58,6 +58,7 @@ static int verbose = DEBUG_LEVEL; static int foreground = 0; static int exit_on_no_devices = 0; static int drop_privileges = 0; +static int udev = 0; struct device_info { uint32_t device_id; @@ -1030,6 +1031,7 @@ static void usage() printf("\t-f|--foreground do not daemonize\n"); printf("\t-e|--exit-on-no-devices exit if no device is attached\n"); printf("\t-d|--drop-privileges drop privileges after startup\n"); + printf("\t-u|--udev use udev mode of operations\n"); printf("\n"); } @@ -1041,12 +1043,13 @@ static void parse_opts(int argc, char **argv) {"verbose", 0, NULL, 'v'}, {"exit-on-no-devices", 0, NULL, 'e'}, {"drop-privileges", 0, NULL, 'd'}, + {"udev", 0, NULL, 'u'}, {NULL, 0, NULL, 0} }; int c; while (1) { - c = getopt_long(argc, argv, "hfved", longopts, (int *) 0); + c = getopt_long(argc, argv, "hfvedu", longopts, (int *) 0); if (c == -1) { break; } @@ -1067,11 +1070,17 @@ static void parse_opts(int argc, char **argv) case 'd': drop_privileges = 1; break; + case 'u': + udev = 1; + break; default: usage(); exit(2); } } + + if (udev) + foreground = 0; } /** @@ -1173,9 +1182,12 @@ int main(int argc, char **argv) fcntl(fileno(lfd), F_GETLK, &lock); fclose(lfd); if (lock.l_type != F_UNLCK) { - logmsg(LOG_NOTICE, - "another instance is already running. exiting."); - return -1; + if (!udev) { + logmsg(LOG_NOTICE, + "another instance is already running. exiting."); + return -1; + } + return 0; } } @@ -1265,6 +1277,7 @@ int main(int argc, char **argv) if (result <= 0) { if (result == 0) { // cleanup + int num_children = 0; for (i = 0; i < children_capacity; i++) { if (children[i]) { if (children[i]->dead != 0) { @@ -1277,6 +1290,7 @@ int main(int argc, char **argv) children[i] = NULL; cnt++; } else { + num_children++; cnt = 0; } } else { @@ -1284,6 +1298,9 @@ int main(int argc, char **argv) } } + if (num_children == 0 && udev) + break; + if ((children_capacity > DEFAULT_CHILDREN_CAPACITY) && ((children_capacity - cnt) <= DEFAULT_CHILDREN_CAPACITY)) { |