chiark / gitweb /
recreate man pages from xml source
[elogind.git] / udevmonitor.c
index 382cbb1..80c4975 100644 (file)
@@ -23,9 +23,9 @@
 #include <stdlib.h>
 #include <string.h>
 #include <fcntl.h>
-#include <time.h>
 #include <errno.h>
 #include <signal.h>
+#include <sys/time.h>
 #include <sys/socket.h>
 #include <sys/un.h>
 #include <sys/select.h>
@@ -34,8 +34,6 @@
 
 #include "udev.h"
 #include "udevd.h"
-#include "udev_utils.h"
-#include "udev_libc_wrapper.h"
 
 static int uevent_netlink_sock;
 static int udev_monitor_sock;
@@ -56,14 +54,14 @@ static int init_udev_monitor_socket(void)
 
        udev_monitor_sock = socket(AF_LOCAL, SOCK_DGRAM, 0);
        if (udev_monitor_sock == -1) {
-               fprintf(stderr, "error getting socket, %s\n", strerror(errno));
+               fprintf(stderr, "error getting socket: %s\n", strerror(errno));
                return -1;
        }
 
        /* the bind takes care of ensuring only one copy running */
        retval = bind(udev_monitor_sock, (struct sockaddr *) &saddr, addrlen);
        if (retval < 0) {
-               fprintf(stderr, "bind failed, %s\n", strerror(errno));
+               fprintf(stderr, "bind failed: %s\n", strerror(errno));
                close(udev_monitor_sock);
                udev_monitor_sock = -1;
                return -1;
@@ -87,14 +85,14 @@ static int init_uevent_netlink_sock(void)
 
        uevent_netlink_sock = socket(PF_NETLINK, SOCK_DGRAM, NETLINK_KOBJECT_UEVENT);
        if (uevent_netlink_sock == -1) {
-               fprintf(stderr, "error getting socket, %s\n", strerror(errno));
+               fprintf(stderr, "error getting socket: %s\n", strerror(errno));
                return -1;
        }
 
        retval = bind(uevent_netlink_sock, (struct sockaddr *) &snl,
                      sizeof(struct sockaddr_nl));
        if (retval < 0) {
-               fprintf(stderr, "bind failed, %s\n", strerror(errno));
+               fprintf(stderr, "bind failed: %s\n", strerror(errno));
                close(uevent_netlink_sock);
                uevent_netlink_sock = -1;
                return -1;
@@ -160,6 +158,9 @@ int main(int argc, char *argv[])
                static char buf[UEVENT_BUFFER_SIZE*2];
                ssize_t buflen;
                int fdcount;
+               struct timeval tv;
+               struct timezone tz;
+               char timestr[64];
 
                buflen = 0;
                FD_ZERO(&readfds);
@@ -171,26 +172,32 @@ int main(int argc, char *argv[])
                fdcount = select(UDEV_MAX(uevent_netlink_sock, udev_monitor_sock)+1, &readfds, NULL, NULL, NULL);
                if (fdcount < 0) {
                        if (errno != EINTR)
-                               fprintf(stderr, "error receiving uevent message\n");
+                               fprintf(stderr, "error receiving uevent message: %s\n", strerror(errno));
                        continue;
                }
 
+               if (gettimeofday(&tv, &tz) == 0) {
+                       snprintf(timestr, sizeof(timestr), "%llu.%06u",
+                                (unsigned long long) tv.tv_sec, (unsigned int) tv.tv_usec);
+               } else
+                       timestr[0] = '\0';
+
                if ((uevent_netlink_sock > 0) && FD_ISSET(uevent_netlink_sock, &readfds)) {
                        buflen = recv(uevent_netlink_sock, &buf, sizeof(buf), 0);
                        if (buflen <=  0) {
-                               fprintf(stderr, "error receiving uevent message\n");
+                               fprintf(stderr, "error receiving uevent message: %s\n", strerror(errno));
                                continue;
                        }
-                       printf("UEVENT[%llu] %s\n", (unsigned long long) time(NULL), buf);
+                       printf("UEVENT[%s] %s\n", timestr, buf);
                }
 
                if ((udev_monitor_sock > 0) && FD_ISSET(udev_monitor_sock, &readfds)) {
                        buflen = recv(udev_monitor_sock, &buf, sizeof(buf), 0);
                        if (buflen <=  0) {
-                               fprintf(stderr, "error receiving udev message\n");
+                               fprintf(stderr, "error receiving udev message: %s\n", strerror(errno));
                                continue;
                        }
-                       printf("UDEV  [%llu] %s\n", (unsigned long long) time(NULL), buf);
+                       printf("UDEV  [%s] %s\n", timestr, buf);
                }
 
                if (buflen == 0)