#define _GNU_SOURCE
#include <poll.h>
+#include <signal.h>
+#include <errno.h>
#include "syscall.h"
+#define IS32BIT(x) !((x)+0x80000000ULL>>32)
+#define CLAMP(x) (int)(IS32BIT(x) ? (x) : 0x7fffffffU+((0ULL+(x))>>63))
+
int ppoll(struct pollfd *fds, nfds_t n, const struct timespec *to, const sigset_t *mask)
{
+ time_t s = to ? to->tv_sec : 0;
+ long ns = to ? to->tv_nsec : 0;
+#ifdef SYS_ppoll_time64
+ int r = -ENOSYS;
+ if (SYS_ppoll == SYS_ppoll_time64 || !IS32BIT(s))
+ r = __syscall_cp(SYS_ppoll_time64, fds, n,
+ to ? ((long long[]){s, ns}) : 0,
+ mask, _NSIG/8);
+ if (SYS_ppoll == SYS_ppoll_time64 || r != -ENOSYS)
+ return __syscall_ret(r);
+ s = CLAMP(s);
+#endif
return syscall_cp(SYS_ppoll, fds, n,
- to ? (struct timespec []){*to} : 0, mask);
+ to ? ((long[]){s, ns}) : 0, mask, _NSIG/8);
}