diff options
Diffstat (limited to 'common/exechelp-w32.c')
| -rw-r--r-- | common/exechelp-w32.c | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/common/exechelp-w32.c b/common/exechelp-w32.c index 0c8314296..3c57e7724 100644 --- a/common/exechelp-w32.c +++ b/common/exechelp-w32.c @@ -229,8 +229,16 @@ create_pipe_and_estream (gnupg_fd_t *r_fd, int flags, gpg_error_t err = 0; es_syshd_t syshd; gnupg_fd_t fds[2]; + int inherit_flags = 0; - if (create_inheritable_pipe (fds, flags) < 0) + if (flags == GNUPG_PIPE_OUTBOUND) + inherit_flags = INHERIT_READ; + else if (flags == GNUPG_PIPE_INBOUND) + inherit_flags = INHERIT_WRITE; + else + inherit_flags = INHERIT_BOTH; + + if (create_inheritable_pipe (fds, inherit_flags) < 0) { err = my_error_from_syserror (); log_error (_("error creating a pipe: %s\n"), gpg_strerror (err)); @@ -275,7 +283,7 @@ gnupg_create_inbound_pipe (gnupg_fd_t *r_fd, estream_t *r_fp, int nonblock) if (!r_fd || !r_fp) gpg_error (GPG_ERR_INV_ARG); - return create_pipe_and_estream (r_fd, INHERIT_WRITE, r_fp, 0, nonblock); + return create_pipe_and_estream (r_fd, GNUPG_PIPE_INBOUND, r_fp, 0, nonblock); } @@ -288,19 +296,29 @@ gnupg_create_outbound_pipe (gnupg_fd_t *r_fd, estream_t *r_fp, int nonblock) if (!r_fd || !r_fp) gpg_error (GPG_ERR_INV_ARG); - return create_pipe_and_estream (r_fd, INHERIT_READ, r_fp, 1, nonblock); + return create_pipe_and_estream (r_fd, GNUPG_PIPE_OUTBOUND, r_fp, 1, nonblock); } -/* Portable function to create a pipe. Under Windows both ends are - inheritable. */ +/* Portable function to create a pipe. FLAGS=GNUPG_PIPE_INBOUND for + ihneritable write-end for Windows, GNUPG_PIPE_OUTBOUND for + inheritable read-end for Windows, GNUPG_PIPE_BOTH to specify + both ends may be inheritable. */ gpg_error_t -gnupg_create_pipe (int filedes[2]) +gnupg_create_pipe (int filedes[2], int flags) { gnupg_fd_t fds[2]; gpg_error_t err = 0; + int inherit_flags = 0; + + if (flags == GNUPG_PIPE_OUTBOUND) + inherit_flags = INHERIT_READ; + else if (flags == GNUPG_PIPE_INBOUND) + inherit_flags = INHERIT_WRITE; + else + inherit_flags = INHERIT_BOTH; - if (create_inheritable_pipe (fds, INHERIT_BOTH) < 0) + if (create_inheritable_pipe (fds, inherit_flags) < 0) return my_error_from_syserror (); filedes[0] = _open_osfhandle (handle_to_fd (fds[0]), O_RDONLY); |