getaddrinfo: add EAI_NODATA error code to distinguish NODATA vs NxDomain

[musl] / src / mq / mq_timedsend.c

diff --git a/src/mq/mq_timedsend.c b/src/mq/mq_timedsend.c
index 1c00aa0..56cfcbb 100644 (file)
--- a/src/mq/mq_timedsend.c
+++ b/src/mq/mq_timedsend.c
@@ -1,7 +1,24 @@
 #include <mqueue.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 mq_timedsend(mqd_t mqd, const char *msg, size_t len, unsigned prio, const struct timespec *at)
 {
+#ifdef SYS_mq_timedsend_time64
+       time_t s = at ? at->tv_sec : 0;
+       long ns = at ? at->tv_nsec : 0;
+       long r = -ENOSYS;
+       if (SYS_mq_timedsend == SYS_mq_timedsend_time64 || !IS32BIT(s))
+               r = __syscall_cp(SYS_mq_timedsend_time64, mqd, msg, len, prio,
+                       at ? ((long long []){at->tv_sec, at->tv_nsec}) : 0);
+       if (SYS_mq_timedsend == SYS_mq_timedsend_time64 || r != -ENOSYS)
+               return __syscall_ret(r);
+       return syscall_cp(SYS_mq_timedsend, mqd, msg, len, prio,
+               at ? ((long[]){CLAMP(s), ns}) : 0);
+#else
        return syscall_cp(SYS_mq_timedsend, mqd, msg, len, prio, at);
+#endif
 }