#include <stdio.h>
#include <errno.h>
+#include <string.h>
#include <sys/socket.h>
#include <sys/select.h>
nladdr.nl_pid = getpid();
nladdr.nl_groups = 0xffffffff;
- if ((mSock = socket(PF_NETLINK,
- SOCK_DGRAM,NETLINK_KOBJECT_UEVENT)) < 0) {
+ if ((mSock = socket(PF_NETLINK, SOCK_DGRAM | SOCK_CLOEXEC,
+ NETLINK_KOBJECT_UEVENT)) < 0) {
SLOGE("Unable to create uevent socket: %s", strerror(errno));
return -1;
}
- if (setsockopt(mSock, SOL_SOCKET, SO_RCVBUFFORCE, &sz, sizeof(sz)) < 0) {
- SLOGE("Unable to set uevent socket SO_RCVBUFFORCE option: %s", strerror(errno));
+ // When running in a net/user namespace, SO_RCVBUFFORCE is not available.
+ // Try using SO_RCVBUF first.
+ if ((setsockopt(mSock, SOL_SOCKET, SO_RCVBUF, &sz, sizeof(sz)) < 0) &&
+ (setsockopt(mSock, SOL_SOCKET, SO_RCVBUFFORCE, &sz, sizeof(sz)) < 0)) {
+ SLOGE("Unable to set uevent socket SO_RCVBUF/SO_RCVBUFFORCE option: %s", strerror(errno));
goto out;
}