diff options
Diffstat (limited to 'qemu-char.c')
| -rw-r--r-- | qemu-char.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/qemu-char.c b/qemu-char.c index 73a5e37aa7..d447d96805 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -3011,6 +3011,64 @@ QemuOptsList qemu_chardev_opts = { }, }; +#ifdef _WIN32 + +static CharDriverState *qmp_chardev_open_file(ChardevFile *file, Error **errp) +{ + HANDLE out; + + if (file->in) { + error_setg(errp, "input file not supported"); + return NULL; + } + + out = CreateFile(file->out, GENERIC_WRITE, FILE_SHARE_READ, NULL, + OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); + if (out == INVALID_HANDLE_VALUE) { + error_setg(errp, "open %s failed", file->out); + return NULL; + } + return qemu_chr_open_win_file(out); +} + +#else /* WIN32 */ + +static int qmp_chardev_open_file_source(char *src, int flags, + Error **errp) +{ + int fd = -1; + + TFR(fd = qemu_open(src, flags, 0666)); + if (fd == -1) { + error_setg(errp, "open %s: %s", src, strerror(errno)); + } + return fd; +} + +static CharDriverState *qmp_chardev_open_file(ChardevFile *file, Error **errp) +{ + int flags, in = -1, out = -1; + + flags = O_WRONLY | O_TRUNC | O_CREAT | O_BINARY; + out = qmp_chardev_open_file_source(file->out, flags, errp); + if (error_is_set(errp)) { + return NULL; + } + + if (file->in) { + flags = O_RDONLY; + in = qmp_chardev_open_file_source(file->in, flags, errp); + if (error_is_set(errp)) { + qemu_close(out); + return NULL; + } + } + + return qemu_chr_open_fd(in, out); +} + +#endif /* WIN32 */ + ChardevReturn *qmp_chardev_add(const char *id, ChardevBackend *backend, Error **errp) { @@ -3025,6 +3083,9 @@ ChardevReturn *qmp_chardev_add(const char *id, ChardevBackend *backend, } switch (backend->kind) { + case CHARDEV_BACKEND_KIND_FILE: + chr = qmp_chardev_open_file(backend->file, errp); + break; case CHARDEV_BACKEND_KIND_NULL: chr = qemu_chr_open_null(NULL); break; |