diff options
Diffstat (limited to 'third_party/nix/src/libmain/stack.cc')
| -rw-r--r-- | third_party/nix/src/libmain/stack.cc | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/third_party/nix/src/libmain/stack.cc b/third_party/nix/src/libmain/stack.cc index 39866bb48248..0d5b91c163c7 100644 --- a/third_party/nix/src/libmain/stack.cc +++ b/third_party/nix/src/libmain/stack.cc @@ -25,7 +25,9 @@ static void sigsegvHandler(int signo, siginfo_t* info, void* ctx) { if (haveSP) { ptrdiff_t diff = (char*)info->si_addr - sp; - if (diff < 0) diff = -diff; + if (diff < 0) { + diff = -diff; + } if (diff < 4096) { char msg[] = "error: stack overflow (possible infinite recursion)\n"; [[gnu::unused]] auto res = write(2, msg, strlen(msg)); @@ -38,7 +40,9 @@ static void sigsegvHandler(int signo, siginfo_t* info, void* ctx) { sigfillset(&act.sa_mask); act.sa_handler = SIG_DFL; act.sa_flags = 0; - if (sigaction(SIGSEGV, &act, 0)) abort(); + if (sigaction(SIGSEGV, &act, 0)) { + abort(); + } } void detectStackOverflow() { @@ -50,7 +54,9 @@ void detectStackOverflow() { stack.ss_size = 4096 * 4 + MINSIGSTKSZ; static auto stackBuf = std::make_unique<std::vector<char>>(stack.ss_size); stack.ss_sp = stackBuf->data(); - if (!stack.ss_sp) throw Error("cannot allocate alternative stack"); + if (!stack.ss_sp) { + throw Error("cannot allocate alternative stack"); + } stack.ss_flags = 0; if (sigaltstack(&stack, 0) == -1) throw SysError("cannot set alternative stack"); @@ -59,7 +65,9 @@ void detectStackOverflow() { sigfillset(&act.sa_mask); act.sa_sigaction = sigsegvHandler; act.sa_flags = SA_SIGINFO | SA_ONSTACK; - if (sigaction(SIGSEGV, &act, 0)) throw SysError("resetting SIGSEGV"); + if (sigaction(SIGSEGV, &act, 0)) { + throw SysError("resetting SIGSEGV"); + } #endif } |