34 lines
687 B
C
Executable File
34 lines
687 B
C
Executable File
#ident "@(#)prclose.c 1.1 94/11/10 SMI"
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#include <stdlib.h>
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#include <unistd.h>
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#include <errno.h>
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#include "pcontrol.h"
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int /* close() system call -- executed by subject process */
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prclose(Pr, fd)
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process_t *Pr;
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int fd;
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{
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struct sysret rval; /* return value from close() */
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struct argdes argd[1]; /* arg descriptors for close() */
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register struct argdes *adp;
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adp = &argd[0]; /* fd argument */
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adp->value = (int)fd;
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adp->object = (char *)NULL;
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adp->type = AT_BYVAL;
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adp->inout = AI_INPUT;
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adp->len = 0;
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rval = Psyscall(Pr, SYS_close, 1, &argd[0]);
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if (rval.errno < 0)
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rval.errno = ENOSYS;
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if (rval.errno == 0)
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return rval.r0;
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errno = rval.errno;
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return -1;
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}
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