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Clear errno just in case.

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GitOrigin-RevId: b45ff66a66fba605e5a1b500a1ab66eb87140e19
This commit is contained in:
levlam 2018-01-30 20:10:44 +03:00
parent d7ecc96113
commit 6cf95c36ad
1 changed files with 2 additions and 0 deletions
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2
tdutils/td/utils/port/Fd.h
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@ -182,6 +182,7 @@ auto skip_eintr(F &&f) {
decltype(f()) res; decltype(f()) res;
static_assert(std::is_integral<decltype(res)>::value, "integral type expected"); static_assert(std::is_integral<decltype(res)>::value, "integral type expected");
do { do {
errno = 0; // just in case
res = f(); res = f();
} while (res < 0 && errno == EINTR); } while (res < 0 && errno == EINTR);
return res; return res;
@ -190,6 +191,7 @@ template <class F>
auto skip_eintr_cstr(F &&f) { auto skip_eintr_cstr(F &&f) {
char *res; char *res;
do { do {
errno = 0; // just in case
res = f(); res = f();
} while (res == nullptr && errno == EINTR); } while (res == nullptr && errno == EINTR);
return res; return res;