[PATCH] D51368: SafeStack: Fix thread liveness check on *BSD
Vlad Tsyrklevich via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Aug 28 11:31:09 PDT 2018
This revision was automatically updated to reflect the committed changes.
Closed by commit rL340856: SafeStack: Fix thread liveness check on *BSD (authored by vlad.tsyrklevich, committed by ).
Repository:
rL LLVM
https://reviews.llvm.org/D51368
Files:
compiler-rt/trunk/lib/safestack/safestack.cc
Index: compiler-rt/trunk/lib/safestack/safestack.cc
===================================================================
--- compiler-rt/trunk/lib/safestack/safestack.cc
+++ compiler-rt/trunk/lib/safestack/safestack.cc
@@ -183,7 +183,10 @@
thread_stack_ll **stackp = &temp_stacks;
while (*stackp) {
thread_stack_ll *stack = *stackp;
- if (stack->pid != pid || TgKill(stack->pid, stack->tid, 0) == -ESRCH) {
+ int error;
+ if (stack->pid != pid ||
+ (internal_iserror(TgKill(stack->pid, stack->tid, 0), &error) &&
+ error == ESRCH)) {
UnmapOrDie(stack->stack_base, stack->size);
*stackp = stack->next;
free(stack);
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