workaround broken msghdr struct on 64bit linux

[musl] / src / time / timer_create.c

diff --git a/src/time/timer_create.c b/src/time/timer_create.c
index e35293c..a0ee845 100644 (file)
--- a/src/time/timer_create.c
+++ b/src/time/timer_create.c
@@ -52,40 +52,35 @@ static void *start(void *arg)
 
 int timer_create(clockid_t clk, struct sigevent *evp, timer_t *res)
 {
-       struct sigevent sev = { 
-               .sigev_notify = SIGEV_SIGNAL,
-               .sigev_signo = SIGALRM
-       };
        pthread_t td;
        pthread_attr_t attr;
        int r;
        struct start_args args;
-       timer_t t;
-       struct ksigevent ksev;
+       struct ksigevent ksev, *ksevp=0;
        int timerid;
 
-       if (evp) sev = *evp;
-
-       switch (sev.sigev_notify) {
+       switch (evp ? evp->sigev_notify : SIGEV_SIGNAL) {
        case SIGEV_NONE:
        case SIGEV_SIGNAL:
-               ksev.sigev_value = evp ? sev.sigev_value
-                       : (union sigval){.sival_ptr=t};
-               ksev.sigev_signo = sev.sigev_signo;
-               ksev.sigev_notify = sev.sigev_notify;
-               ksev.sigev_tid = 0;
-               if (syscall(SYS_timer_create, clk, &ksev, &timerid) < 0)
+               if (evp) {
+                       ksev.sigev_value = evp->sigev_value;
+                       ksev.sigev_signo = evp->sigev_signo;
+                       ksev.sigev_notify = evp->sigev_notify;
+                       ksev.sigev_tid = 0;
+                       ksevp = &ksev;
+               }
+               if (syscall(SYS_timer_create, clk, ksevp, &timerid) < 0)
                        return -1;
-               *res = (void *)(2*timerid+1);
+               *res = (void *)timerid;
                break;
        case SIGEV_THREAD:
-               if (sev.sigev_notify_attributes)
-                       attr = *sev.sigev_notify_attributes;
+               if (evp->sigev_notify_attributes)
+                       attr = *evp->sigev_notify_attributes;
                else
                        pthread_attr_init(&attr);
                pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
                pthread_barrier_init(&args.b, 0, 2);
-               args.sev = &sev;
+               args.sev = evp;
                r = pthread_create(&td, &attr, start, &args);
                if (r) {
                        errno = r;