52 lines
		
	
	
		
			903 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			52 lines
		
	
	
		
			903 B
		
	
	
	
		
			C
		
	
	
	
	
	
#include <sys/cdefs.h>
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#include "namespace.h"
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#include <lib.h>
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#include <fcntl.h>
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#include <stdarg.h>
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#ifdef __weak_alias
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__weak_alias(fcntl, _fcntl)
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#endif
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#if _ANSI
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int fcntl(int fd, int cmd, ...)
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#else
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int fcntl(fd, cmd)
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int fd;
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int cmd;
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#endif
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{
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  va_list argp;
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  message m;
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  va_start(argp, cmd);
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  /* Set up for the sensible case where there is no variable parameter.  This
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   * covers F_GETFD, F_GETFL and invalid commands.
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   */
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  m.m1_i3 = 0;
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  m.m1_p1 = NULL;
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  /* Adjust for the stupid cases. */
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  switch(cmd) {
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     case F_DUPFD:
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     case F_SETFD:
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     case F_SETFL:
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	m.m1_i3 = va_arg(argp, int);
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	break;
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     case F_GETLK:
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     case F_SETLK:
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     case F_SETLKW:
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     case F_FREESP:
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	m.m1_p1 = (char *) va_arg(argp, struct flock *);
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	break;
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  }
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  /* Clean up and make the system call. */
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  va_end(argp);
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  m.m1_i1 = fd;
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  m.m1_i2 = cmd;
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  return(_syscall(VFS_PROC_NR, FCNTL, &m));
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}
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