32 lines
741 B
C
32 lines
741 B
C
#include "syslib.h"
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#include <string.h>
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#include <machine/archtypes.h>
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#include <minix/timers.h>
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#include <minix/sysutil.h>
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#include <minix/vm.h>
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#define MAX_RECEIVERS 4
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#define MAX_PAYLOAD 32
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int sys_mq_send(int mqdes, const char *msg_ptr, pid_t dst[], unsigned int msg_prio)
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{
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message m;
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m.m_lsys_krn_sys_mqueue_send.mqdes = mqdes;
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for (int i = 0; i < MAX_RECEIVERS; i++) {
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if (dst[i] == -1) {
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m.m_lsys_krn_sys_mqueue_send.dst[i] = dst[i];
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break;
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}
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endpoint_t endpoint;
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int ret = sys_endpoint_from_pid(dst[i], &endpoint);
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if (ret != 0)
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endpoint = -1;
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m.m_lsys_krn_sys_mqueue_send.dst[i] = endpoint;
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}
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memcpy(m.m_lsys_krn_sys_mqueue_send.msg, msg_ptr, MAX_PAYLOAD);
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return (_kernel_call(SYS_MQ_SEND, &m));
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}
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