/** Facilities for working with file descriptors. */

#include "config.h"  // IWYU pragma: keep

#include "fds.h"

#include <errno.h>
#include <unistd.h>

#include "wutil.h"

void autoclose_fd_t::close() {
    if (fd_ < 0) return;
    exec_close(fd_);
    fd_ = -1;
}

void exec_close(int fd) {
    assert(fd >= 0 && "Invalid fd");
    while (close(fd) == -1) {
        if (errno != EINTR) {
            wperror(L"close");
            break;
        }
    }
}