diff options
Diffstat (limited to 'third_party/nix/src/libmain/stack.cc')
| -rw-r--r-- | third_party/nix/src/libmain/stack.cc | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/third_party/nix/src/libmain/stack.cc b/third_party/nix/src/libmain/stack.cc index 27c16f5d1f6b..87018b975c29 100644 --- a/third_party/nix/src/libmain/stack.cc +++ b/third_party/nix/src/libmain/stack.cc @@ -1,8 +1,8 @@ +#include <csignal> #include <cstddef> #include <cstdlib> #include <cstring> -#include <signal.h> #include <unistd.h> #include "types.hh" @@ -14,7 +14,7 @@ static void sigsegvHandler(int signo, siginfo_t* info, void* ctx) { the stack pointer. Unfortunately, getting the stack pointer is not portable. */ bool haveSP = true; - char* sp = 0; + char* sp = nullptr; #if defined(__x86_64__) && defined(REG_RSP) sp = (char*)((ucontext_t*)ctx)->uc_mcontext.gregs[REG_RSP]; #elif defined(REG_ESP) @@ -40,7 +40,7 @@ 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)) { + if (sigaction(SIGSEGV, &act, nullptr)) { abort(); } } @@ -58,7 +58,7 @@ void detectStackOverflow() { throw Error("cannot allocate alternative stack"); } stack.ss_flags = 0; - if (sigaltstack(&stack, 0) == -1) { + if (sigaltstack(&stack, nullptr) == -1) { throw SysError("cannot set alternative stack"); } @@ -66,7 +66,7 @@ void detectStackOverflow() { sigfillset(&act.sa_mask); act.sa_sigaction = sigsegvHandler; act.sa_flags = SA_SIGINFO | SA_ONSTACK; - if (sigaction(SIGSEGV, &act, 0)) { + if (sigaction(SIGSEGV, &act, nullptr)) { throw SysError("resetting SIGSEGV"); } #endif |