diff options
Diffstat (limited to 'libgps_shm.c')
| -rw-r--r-- | libgps_shm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libgps_shm.c b/libgps_shm.c index c489af09..5d37f628 100644 --- a/libgps_shm.c +++ b/libgps_shm.c @@ -41,12 +41,12 @@ struct privdata_t int gps_shm_open(/*@out@*/struct gps_data_t *gpsdata) /* open a shared-memory connection to the daemon */ { - int shmid; + int shmid = getenv("GPSD_SHM_KEY") ? atoi(getenv("GPSD_SHM_KEY")) : GPSD_KEY; libgps_debug_trace((DEBUG_CALLS, "gps_shm_open()\n")); gpsdata->privdata = NULL; - shmid = shmget((key_t)GPSD_KEY, sizeof(struct gps_data_t), 0); + shmid = shmget((key_t)shmid, sizeof(struct gps_data_t), 0); if (shmid == -1) { /* daemon isn't running or failed to create shared segment */ return -1; |