25 lines
		
	
	
		
			518 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			518 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /*	asyn_close() - forcefully forget about a file descriptor
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|  *							Author: Kees J. Bot
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|  *								7 Jul 1997
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|  */
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| #include "asyn.h"
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| 
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| int asyn_close(asynchio_t *asyn, int fd)
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| /* Stop caring about any async operations on this file descriptor. */
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| {
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| 	asynfd_t *afd;
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| 	int op;
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| 
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| 	if ((unsigned) fd >= FD_SETSIZE) { errno= EBADF; return -1; }
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| 
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| 	afd= &asyn->asyn_afd[fd];
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| 
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| 	for (op= 0; op < SEL_NR; op++) {
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| 		afd->afd_state[op]= IDLE;
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| 		FD_CLR(fd, &asyn->asyn_fdset[op]);
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| 	}
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| 	afd->afd_seen= 0;
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| 	asyn->asyn_more++;
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| 	return 0;
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| }
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