14887Schin /*********************************************************************** 24887Schin * * 34887Schin * This software is part of the ast package * 4*8462SApril.Chin@Sun.COM * Copyright (c) 1985-2008 AT&T Intellectual Property * 54887Schin * and is licensed under the * 64887Schin * Common Public License, Version 1.0 * 7*8462SApril.Chin@Sun.COM * by AT&T Intellectual Property * 84887Schin * * 94887Schin * A copy of the License is available at * 104887Schin * http://www.opensource.org/licenses/cpl1.0.txt * 114887Schin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 124887Schin * * 134887Schin * Information and Software Systems Research * 144887Schin * AT&T Research * 154887Schin * Florham Park NJ * 164887Schin * * 174887Schin * Glenn Fowler <gsf@research.att.com> * 184887Schin * David Korn <dgk@research.att.com> * 194887Schin * Phong Vo <kpv@research.att.com> * 204887Schin * * 214887Schin ***********************************************************************/ 224887Schin #pragma prototyped 234887Schin 244887Schin /* 254887Schin * install error message handler for fatal malloc exceptions 264887Schin */ 274887Schin 284887Schin #include <ast.h> 294887Schin #include <error.h> 304887Schin #include <vmalloc.h> 314887Schin 324887Schin #include "FEATURE/vmalloc" 334887Schin 344887Schin #if _std_malloc 354887Schin 364887Schin void 374887Schin memfatal(void) 384887Schin { 394887Schin } 404887Schin 414887Schin #else 424887Schin 434887Schin /* 444887Schin * print message and fail on VM_BADADDR,VM_NOMEM 454887Schin */ 464887Schin 474887Schin static int 484887Schin nomalloc(Vmalloc_t* region, int type, void* obj, Vmdisc_t* disc) 494887Schin { 504887Schin Vmstat_t st; 514887Schin 524887Schin NoP(disc); 534887Schin switch (type) 544887Schin { 554887Schin case VM_BADADDR: 564887Schin error(ERROR_SYSTEM|3, "invalid pointer %p passed to free or realloc", obj); 574887Schin return(-1); 584887Schin case VM_NOMEM: 594887Schin vmstat(region, &st); 604887Schin error(ERROR_SYSTEM|3, "storage allocator out of space on %lu byte request ( region %lu segments %lu busy %lu:%lu:%lu free %lu:%lu:%lu )", (size_t)obj, st.extent, st.n_seg, st.n_busy, st.s_busy, st.m_busy, st.n_free, st.s_free, st.m_free); 614887Schin return(-1); 624887Schin } 634887Schin return(0); 644887Schin } 654887Schin 664887Schin /* 674887Schin * initialize the malloc exception handler 684887Schin */ 694887Schin 704887Schin void 714887Schin memfatal(void) 724887Schin { 734887Schin Vmdisc_t* disc; 744887Schin 754887Schin if (disc = vmdisc(Vmheap, NiL)) 764887Schin disc->exceptf = nomalloc; 774887Schin } 784887Schin 794887Schin #endif 80