| #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 |
| } |