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Commit d8cd90a8 authored by Adam Wujek's avatar Adam Wujek 💬
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userspace/tools: improve opening of shmem in wrs_vlans 

Try to open shmem for 10 seconds.
Signed-off-by: Adam Wujek's avatarAdam Wujek <adam.wujek@cern.ch>
parent 3b0932a5
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Showing with 17 additions and 6 deletions
userspace/tools/wrs_vlans.c
View file @ d8cd90a8
......@@ -135,6 +135,8 @@ int main(int argc, char *argv[])
int c, i, arg;
unsigned long conf_pmask = 0; //current '--ep' port mask
struct rtu_shmem_header *rtu_hdr;
int n_wait = 0;
int ret;
prgname = argv[0];
......@@ -156,13 +158,22 @@ int main(int argc, char *argv[])
}
/* open rtu shm */
rtu_port_shmem = wrs_shm_get(wrs_shm_rtu, "", WRS_SHM_READ);
if (!rtu_port_shmem) {
fprintf(stderr, "%s: Can't join RTU's shmem\n",
prgname);
exit(1);
while ((ret = wrs_shm_get_and_check(wrs_shm_rtu, &rtu_port_shmem)) != 0) {
n_wait++;
if (n_wait > 10) {
if (ret == 1) {
fprintf(stderr, "%s: Unable to open RTUd's "
"shmem!\n", prgname);
}
if (ret == 2) {
fprintf(stderr, "%s: Unable to read RTUd's "
"version!\n", prgname);
}
exit(1);
}
sleep(1);
}
/* FIXME: Wait for rtud to fill shmem */
/* check rtu shm version */
if (rtu_port_shmem->version != RTU_SHMEM_VERSION) {
fprintf(stderr, "%s: unknown version %i (known is %i)\n",
......
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