diff options
| -rw-r--r-- | devices/udev-helper.c | 38 |
1 files changed, 30 insertions, 8 deletions
diff --git a/devices/udev-helper.c b/devices/udev-helper.c index 6a9a42b..d70a1d7 100644 --- a/devices/udev-helper.c +++ b/devices/udev-helper.c @@ -417,6 +417,31 @@ static int found_new_device(const char *dev_path) return EXIT_SUCCESS; } +static void detach_and_sleep(int sec) +{ + static int forked = 0; + int rc = 0; + + if (sec <= 0) + return; + + if (!forked) { + log("running in background..."); + rc = fork(); + forked = 1; + } + + if (rc == 0) { + sleep(sec); + + } else if (rc == -1) { + perror("fork()"); + exit(EXIT_FAILURE); + } else { + exit(EXIT_SUCCESS); + } +} + static int poll_device_plug(const char *dev_path, int *optical) { @@ -439,7 +464,7 @@ static int poll_device_plug(const char *dev_path, return EXIT_SUCCESS; printf("no... waiting\n"); - sleep(REMOVABLE_SLEEP_DELAY); + detach_and_sleep(REMOVABLE_SLEEP_DELAY); } /* Fall back to bare open() */ @@ -453,7 +478,7 @@ static int poll_device_plug(const char *dev_path, if (fd >= 0) return EXIT_SUCCESS; printf("no... waiting\n"); - sleep(REMOVABLE_SLEEP_DELAY); + detach_and_sleep(REMOVABLE_SLEEP_DELAY); } } @@ -471,7 +496,7 @@ static int poll_device_unplug(const char *dev_path, int optical) if (rc != CDS_DISC_OK) return EXIT_SUCCESS; printf("no... waiting\n"); - sleep(REMOVABLE_SLEEP_DELAY); + detach_and_sleep(REMOVABLE_SLEEP_DELAY); } /* Fall back to bare open() */ @@ -484,7 +509,7 @@ static int poll_device_unplug(const char *dev_path, int optical) if (fd < 0) return EXIT_SUCCESS; printf("no... waiting\n"); - sleep(REMOVABLE_SLEEP_DELAY); + detach_and_sleep(REMOVABLE_SLEEP_DELAY); } } @@ -507,7 +532,7 @@ static int poll_removable_device(const char *sysfs_path, /* Unmount it repeatedly, if needs be */ while (mounted && !unmount_device(dev_path)) ; - sleep(1); + detach_and_sleep(1); } } @@ -516,9 +541,6 @@ int main(int argc, char **argv) char *dev_path, *action; int rc; - /*if (fork()) - return EXIT_SUCCESS; - */ action = getenv("ACTION"); logf = stdout; |
