1/*********************************************************************** 2* * 3* This software is part of the ast package * 4* Copyright (c) 1985-2011 AT&T Intellectual Property * 5* and is licensed under the * 6* Common Public License, Version 1.0 * 7* by AT&T Intellectual Property * 8* * 9* A copy of the License is available at * 10* http://www.opensource.org/licenses/cpl1.0.txt * 11* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12* * 13* Information and Software Systems Research * 14* AT&T Research * 15* Florham Park NJ * 16* * 17* Glenn Fowler <gsf@research.att.com> * 18* David Korn <dgk@research.att.com> * 19* Phong Vo <kpv@research.att.com> * 20* * 21***********************************************************************/ 22#pragma prototyped 23 24#include "stdhdr.h" 25 26#define MAXLOOP 3 27 28int 29fcloseall(void) 30{ 31 Sfpool_t* p; 32 Sfpool_t* next; 33 int n; 34 int nclose; 35 int count; 36 int loop; 37 38 STDIO_INT(0, "fcloseall", int, (void), ()) 39 40 for(loop = 0; loop < MAXLOOP; ++loop) 41 { nclose = count = 0; 42 for(p = &_Sfpool; p; p = next) 43 { /* find the next legitimate pool */ 44 for(next = p->next; next; next = next->next) 45 if(next->n_sf > 0) 46 break; 47 for(n = 0; n < ((p == &_Sfpool) ? p->n_sf : 1); ++n) 48 { count += 1; 49 if(sfclose(p->sf[n]) >= 0) 50 nclose += 1; 51 } 52 } 53 if(nclose == count) 54 break; 55 } 56 return 0; /* always return 0 per GNU */ 57} 58