minix/lib/other/syscall.c

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2005-04-21 16:53:53 +02:00
#include <lib.h>
PUBLIC int _syscall(who, syscallnr, msgptr)
int who;
int syscallnr;
register message *msgptr;
{
int status;
msgptr->m_type = syscallnr;
status = _sendrec(who, msgptr);
if (status != 0) {
/* 'sendrec' itself failed. */
/* XXX - strerror doesn't know all the codes */
msgptr->m_type = status;
}
if (msgptr->m_type < 0) {
errno = -msgptr->m_type;
return(-1);
}
return(msgptr->m_type);
}