getservbyport_r: fix wrong result if getnameinfo fails with EAI_OVERFLOW
[musl] / src / time / timer_settime.c
index baf5076..373f00c 100644 (file)
@@ -1,8 +1,37 @@
 #include <time.h>
+#include <limits.h>
 #include "pthread_impl.h"
 
+#define IS32BIT(x) !((x)+0x80000000ULL>>32)
+
 int timer_settime(timer_t t, int flags, const struct itimerspec *restrict val, struct itimerspec *restrict old)
 {
-       if ((uintptr_t)t >= 0x100000) t = ((pthread_t)t)->result;
-       return syscall(SYS_timer_settime, (long)t, flags, val, old);
+       if ((intptr_t)t < 0) {
+               pthread_t td = (void *)((uintptr_t)t << 1);
+               t = (void *)(uintptr_t)(td->timer_id & INT_MAX);
+       }
+#ifdef SYS_timer_settime64
+       time_t is = val->it_interval.tv_sec, vs = val->it_value.tv_sec;
+       long ins = val->it_interval.tv_nsec, vns = val->it_value.tv_nsec;
+       int r = -ENOSYS;
+       if (SYS_timer_settime == SYS_timer_settime64
+           || !IS32BIT(is) || !IS32BIT(vs) || (sizeof(time_t)>4 && old))
+               r = __syscall(SYS_timer_settime64, t, flags,
+                       ((long long[]){is, ins, vs, vns}), old);
+       if (SYS_timer_settime == SYS_timer_settime64 || r!=-ENOSYS)
+               return __syscall_ret(r);
+       if (!IS32BIT(is) || !IS32BIT(vs))
+               return __syscall_ret(-ENOTSUP);
+       long old32[4];
+       r = __syscall(SYS_timer_settime, t, flags,
+               ((long[]){is, ins, vs, vns}), old32);
+       if (!r && old) {
+               old->it_interval.tv_sec = old32[0];
+               old->it_interval.tv_nsec = old32[1];
+               old->it_value.tv_sec = old32[2];
+               old->it_value.tv_nsec = old32[3];
+       }
+       return __syscall_ret(r);
+#endif
+       return syscall(SYS_timer_settime, t, flags, val, old);
 }