diff options
Diffstat (limited to 'src/mq/mq_timedsend.c')
| -rw-r--r-- | src/mq/mq_timedsend.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/mq/mq_timedsend.c b/src/mq/mq_timedsend.c index 1c00aa0b..56cfcbb8 100644 --- 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 } |