Changeset cf00f2e4 in mainline

Timestamp:

2012-04-03T12:48:41Z (12 years ago)

Author:

Maurizio Lombardi <m.lombardi85@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

fd37139d

Parents:

cca5c8d

Message:

date: get the list of available clock devices from the loc service

File:

• uspace/app/date/date.c (modified) (1 diff)

uspace/app/date/date.c

@@ -29 +29 @@
 
 #include <stdio.h>
+#include <devman.h>
+#include <device/clock_dev.h>
+#include <errno.h>
+#include <loc.h>
+
+#define NAME   "date"
 
 int
 main(int argc, char **argv)
 {
-        return 0;
+        int rc;
+        category_id_t cat_id;
+        size_t svc_cnt;
+        service_id_t  *svc_ids = NULL;
+        char *svc_name = NULL;
+        char *devpath;
+
+        /* Get the id of the clock category */
+        rc = loc_category_get_id("clock", &cat_id, IPC_FLAG_BLOCKING);
+        if (rc != EOK) {
+                printf(NAME ": Cannot get clock category id\n");
+                goto exit;
+        }
+
+        /* Get the list of available services in the clock category */
+        rc = loc_category_get_svcs(cat_id, &svc_ids, &svc_cnt);
+        if (rc != EOK) {
+                printf(NAME ": Cannot get the list of services in category \
+                    clock\n");
+                goto exit;
+        }
+
+        /* Check if the are available services in the clock category */
+        if (svc_cnt == 0) {
+                printf(NAME ": No available service found in \
+                    the clock category\n");
+                goto exit;
+        }
+
+        /* Get the name of the clock service */
+        rc = loc_service_get_name(svc_ids[0], &svc_name);
+        if (rc != EOK) {
+                printf(NAME ": Cannot get the name of the service\n");
+                goto exit;
+        }
+
+        const char delim[] = {"/\0"};
+        strtok(svc_name, delim);
+        devpath = strtok(svc_name, delim);
+
+        printf("Found device %s\n", devpath);
+
+exit:
+        free(svc_name);
+        free(svc_ids);
+        return rc;
 }