* fixed a bug in mmap of sigaltstack.

2007-10-18 00:16:53 -04:00
parent 683fb50242
commit 17fd6fe97b
1 changed files with 2 additions and 1 deletions
@@ -307,7 +307,8 @@ SYNOPSIS
 void
 register_alt_stack(){
 #ifndef __CYGWIN__
-  char* stk = mmap(0, SIGSTKSZ, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_ANON, -1, 0);
+  char* stk = mmap(0, SIGSTKSZ, PROT_READ|PROT_WRITE|PROT_EXEC, 
+                   MAP_PRIVATE|MAP_ANON, -1, 0);
 //  char* stk = ik_mmap(SIGSTKSZ);
  if(stk == (char*)-1){
    fprintf(stderr, "Cannot maloc an alt stack\n");