#include <sys/socket.h>
+#include <sys/time.h>
+#include <errno.h>
#include "syscall.h"
-#include "socketcall.h"
+
+#define IS32BIT(x) !((x)+0x80000000ULL>>32)
+#define CLAMP(x) (int)(IS32BIT(x) ? (x) : 0x7fffffffU+((0ULL+(x))>>63))
int setsockopt(int fd, int level, int optname, const void *optval, socklen_t optlen)
{
- unsigned long args[] = { fd, level, optname, (unsigned long)optval, optlen };
- return syscall2(__NR_socketcall, SYS_SETSOCKOPT, (long)args);
+ const struct timeval *tv;
+ time_t s;
+ suseconds_t us;
+
+ int r = __socketcall(setsockopt, fd, level, optname, optval, optlen, 0);
+
+ if (r==-ENOPROTOOPT) switch (level) {
+ case SOL_SOCKET:
+ switch (optname) {
+ case SO_RCVTIMEO:
+ case SO_SNDTIMEO:
+ if (SO_RCVTIMEO == SO_RCVTIMEO_OLD) break;
+ if (optlen < sizeof *tv) return __syscall_ret(-EINVAL);
+ tv = optval;
+ s = tv->tv_sec;
+ us = tv->tv_usec;
+ if (!IS32BIT(s)) return __syscall_ret(-ENOTSUP);
+
+ if (optname==SO_RCVTIMEO) optname=SO_RCVTIMEO_OLD;
+ if (optname==SO_SNDTIMEO) optname=SO_SNDTIMEO_OLD;
+
+ r = __socketcall(setsockopt, fd, level, optname,
+ ((long[]){s, CLAMP(us)}), 2*sizeof(long), 0);
+ break;
+ case SO_TIMESTAMP:
+ case SO_TIMESTAMPNS:
+ if (SO_TIMESTAMP == SO_TIMESTAMP_OLD) break;
+ if (optname==SO_TIMESTAMP) optname=SO_TIMESTAMP_OLD;
+ if (optname==SO_TIMESTAMPNS) optname=SO_TIMESTAMPNS_OLD;
+ r = __socketcall(setsockopt, fd, level,
+ optname, optval, optlen, 0);
+ break;
+ }
+ }
+ return __syscall_ret(r);
}