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git-svn-id: svn://svn.valgrind.org/valgrind/trunk@5176
This commit is contained in:
Nicholas Nethercote 2005-11-17 19:38:09 +00:00
parent f21af77397
commit 24e2b8b838
1 changed files with 3 additions and 0 deletions
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3
memcheck/tests/sigaltstack.c
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@ -15,6 +15,9 @@ int main(int argv, char** argc) {
stack_t sigstk;
struct sigaction act;
static const int size = SIGSTKSZ*2;
// We give EXEC permissions because this won't work on ppc32 unless you
// ask for an alt stack with EXEC permissions.
since signal returning requires execution of code on the stack.
char *stk = (char *)mmap(0, size, PROT_READ|PROT_WRITE|PROT_EXEC,
MAP_ANON|MAP_PRIVATE, -1, 0);
sigstk.ss_sp = stk;