add support for SIGEV_THREAD_ID timers

[musl] / src / time / timer_create.c

diff --git a/src/time/timer_create.c b/src/time/timer_create.c
index 5ddfda2..4bef239 100644 (file)
--- a/src/time/timer_create.c
+++ b/src/time/timer_create.c
@@ -71,11 +71,15 @@ int timer_create(clockid_t clk, struct sigevent *restrict evp, timer_t *restrict
        switch (evp ? evp->sigev_notify : SIGEV_SIGNAL) {
        case SIGEV_NONE:
        case SIGEV_SIGNAL:
+       case SIGEV_THREAD_ID:
                if (evp) {
                        ksev.sigev_value = evp->sigev_value;
                        ksev.sigev_signo = evp->sigev_signo;
                        ksev.sigev_notify = evp->sigev_notify;
-                       ksev.sigev_tid = 0;
+                       if (evp->sigev_notify == SIGEV_THREAD_ID)
+                               ksev.sigev_tid = evp->sigev_notify_thread_id;
+                       else
+                               ksev.sigev_tid = 0;
                        ksevp = &ksev;
                }
                if (syscall(SYS_timer_create, clk, ksevp, &timerid) < 0)
@@ -107,7 +111,7 @@ int timer_create(clockid_t clk, struct sigevent *restrict evp, timer_t *restrict
 
                ksev.sigev_value.sival_ptr = 0;
                ksev.sigev_signo = SIGTIMER;
-               ksev.sigev_notify = 4; /* SIGEV_THREAD_ID */
+               ksev.sigev_notify = SIGEV_THREAD_ID;
                ksev.sigev_tid = td->tid;
                if (syscall(SYS_timer_create, clk, &ksev, &timerid) < 0)
                        timerid = -1;