nscd: fall back gracefully on kernels without AF_UNIX support

[musl] / src / time / timer_getoverrun.c

diff --git a/src/time/timer_getoverrun.c b/src/time/timer_getoverrun.c
index 1334e45..e7f891e 100644 (file)
--- a/src/time/timer_getoverrun.c
+++ b/src/time/timer_getoverrun.c
@@ -1,7 +1,12 @@
 #include <time.h>
+#include <limits.h>
 #include "pthread_impl.h"
 
 int timer_getoverrun(timer_t t)
 {
-       return syscall(SYS_timer_getoverrun, t->timerid);
+       if ((intptr_t)t < 0) {
+               pthread_t td = (void *)((uintptr_t)t << 1);
+               t = (void *)(uintptr_t)(td->timer_id & INT_MAX);
+       }
+       return syscall(SYS_timer_getoverrun, t);
 }