Fix call to rt_sigaction

Despite the fact that many places imply that sigaction and rt_sigaction
are essentially the same, rt_sigaction's signature is actually
different-- it takes the size of the kernel's sigset_t as an extra argument.

BUG=473973


git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1447 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
cjhopman@chromium.org 2015-04-15 22:57:24 +00:00
parent d88401cca9
commit 751453c357

View File

@ -195,12 +195,12 @@ void InstallDefaultHandler(int sig) {
// to SIG_DFL is ignored. In that case, an infinite loop is entered as the
// signal is repeatedly sent to breakpad's signal handler.
// To work around this, directly call the system's sigaction.
struct sigaction sa;
struct kernel_sigaction sa;
memset(&sa, 0, sizeof(sa));
sigemptyset(&sa.sa_mask);
sa.sa_handler = SIG_DFL;
sys_sigemptyset(&sa.sa_mask);
sa.sa_handler_ = SIG_DFL;
sa.sa_flags = SA_RESTART;
syscall(__NR_rt_sigaction, sig, &sa, NULL);
sys_rt_sigaction(sig, &sa, NULL, sizeof(kernel_sigset_t));
#else
signal(sig, SIG_DFL);
#endif