25 lines
848 B
C
25 lines
848 B
C
#include <mqueue.h>
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#include <errno.h>
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#include "syscall.h"
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#define IS32BIT(x) !((x)+0x80000000ULL>>32)
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#define CLAMP(x) (int)(IS32BIT(x) ? (x) : 0x7fffffffU+((0ULL+(x))>>63))
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int mq_timedsend(mqd_t mqd, const char *msg, size_t len, unsigned prio, const struct timespec *at)
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{
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#ifdef SYS_mq_timedsend_time64
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time_t s = at ? at->tv_sec : 0;
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long ns = at ? at->tv_nsec : 0;
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long r = -ENOSYS;
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if (SYS_mq_timedsend == SYS_mq_timedsend_time64 || !IS32BIT(s))
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r = __syscall_cp(SYS_mq_timedsend_time64, mqd, msg, len, prio,
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at ? ((long long []){at->tv_sec, at->tv_nsec}) : 0);
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if (SYS_mq_timedsend == SYS_mq_timedsend_time64 || r != -ENOSYS)
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return __syscall_ret(r);
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return syscall_cp(SYS_mq_timedsend, mqd, msg, len, prio,
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at ? ((long[]){CLAMP(s), ns}) : 0);
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#else
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return syscall_cp(SYS_mq_timedsend, mqd, msg, len, prio, at);
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#endif
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}
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