Mercurial > hg > truffle

comparison src/share/vm/prims/jni.cpp @ 477:24fda36852ce

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE Summary: Make reguard_stack change access to RW, not execute and use os::protect_memory with the new parameter when change needed to X. Reviewed-by: acorn, jcoomes
author coleenp
date Wed, 10 Dec 2008 15:14:29 -0800
parents 1fdb98a17101
children 4db4e58c16bd
comparison
equal deleted inserted replaced
473:3ad2b8576c4a 477:24fda36852ce
2171 static char* bad_address = NULL; 2171 static char* bad_address = NULL;
2172 if (bad_address == NULL) { 2172 if (bad_address == NULL) {
2173 size_t size = os::vm_allocation_granularity(); 2173 size_t size = os::vm_allocation_granularity();
2174 bad_address = os::reserve_memory(size); 2174 bad_address = os::reserve_memory(size);
2175 if (bad_address != NULL) { 2175 if (bad_address != NULL) {
2176 os::protect_memory(bad_address, size, os::MEM_PROT_READ); 2176 os::protect_memory(bad_address, size, os::MEM_PROT_READ,
2177 /*is_committed*/false);
2177 } 2178 }
2178 } 2179 }
2179 return bad_address; 2180 return bad_address;
2180 } 2181 }
2181 2182