diff options
Diffstat (limited to 'src/system.c')
-rw-r--r-- | src/system.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/system.c b/src/system.c new file mode 100644 index 0000000..eab568b --- /dev/null +++ b/src/system.c @@ -0,0 +1,41 @@ +// Copyright 2007-2022 David Robillard <d@drobilla.net> +// SPDX-License-Identifier: ISC + +#include "system.h" + +#include "errno_status.h" + +#include "zix/status.h" + +#ifdef _WIN32 +# include <io.h> +#else +# include <unistd.h> +#endif + +#include <errno.h> +#include <fcntl.h> + +int +zix_system_open_fd(const char* const path, const int flags, const mode_t mode) +{ +#ifdef O_CLOEXEC + return open(path, flags | O_CLOEXEC, mode); // NOLINT(hicpp-signed-bitwise) +#else + return open(path, flags, mode); +#endif +} + +ZixStatus +zix_system_close_fds(const int fd1, const int fd2) +{ + // Careful: we need to always close both files, but catch errno at any point + + const ZixStatus st0 = zix_errno_status(errno); + const int r1 = fd1 >= 0 ? close(fd1) : 0; + const ZixStatus st1 = r1 ? ZIX_STATUS_SUCCESS : zix_errno_status(errno); + const int r2 = fd2 >= 0 ? close(fd2) : 0; + const ZixStatus st2 = r2 ? ZIX_STATUS_SUCCESS : zix_errno_status(errno); + + return st0 ? st0 : st1 ? st1 : st2; +} |