Clear errno just in case.

GitOrigin-RevId: b45ff66a66fba605e5a1b500a1ab66eb87140e19
This commit is contained in:
levlam 2018-01-30 20:10:44 +03:00
parent d7ecc96113
commit 6cf95c36ad

View File

@ -182,6 +182,7 @@ auto skip_eintr(F &&f) {
decltype(f()) res;
static_assert(std::is_integral<decltype(res)>::value, "integral type expected");
do {
errno = 0; // just in case
res = f();
} while (res < 0 && errno == EINTR);
return res;
@ -190,6 +191,7 @@ template <class F>
auto skip_eintr_cstr(F &&f) {
char *res;
do {
errno = 0; // just in case
res = f();
} while (res == nullptr && errno == EINTR);
return res;