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Re: [Qemu-devel] [PATCH 2/6] qemu-char: do not call chr_write directly
From: |
Fam Zheng |
Subject: |
Re: [Qemu-devel] [PATCH 2/6] qemu-char: do not call chr_write directly |
Date: |
Wed, 11 Jun 2014 14:30:40 +0800 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Tue, 06/03 18:39, Paolo Bonzini wrote:
> Make the mux always go through qemu_chr_fe_write, so that we'll get
> the mutex for the underlying chardev.
>
> Signed-off-by: Paolo Bonzini <address@hidden>
Reviewed-by: Fam Zheng <address@hidden>
> ---
> qemu-char.c | 14 +++++++-------
> 1 file changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/qemu-char.c b/qemu-char.c
> index 3df5db7..2bda2fb 100644
> --- a/qemu-char.c
> +++ b/qemu-char.c
> @@ -279,7 +279,7 @@ static int mux_chr_write(CharDriverState *chr, const
> uint8_t *buf, int len)
> MuxDriver *d = chr->opaque;
> int ret;
> if (!d->timestamps) {
> - ret = d->drv->chr_write(d->drv, buf, len);
> + ret = qemu_chr_fe_write(d->drv, buf, len);
> } else {
> int i;
>
> @@ -301,10 +301,10 @@ static int mux_chr_write(CharDriverState *chr, const
> uint8_t *buf, int len)
> (secs / 60) % 60,
> secs % 60,
> (int)(ti % 1000));
> - d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1));
> + qemu_chr_fe_write(d->drv, (uint8_t *)buf1, strlen(buf1));
> d->linestart = 0;
> }
> - ret += d->drv->chr_write(d->drv, buf+i, 1);
> + ret += qemu_chr_fe_write(d->drv, buf+i, 1);
> if (buf[i] == '\n') {
> d->linestart = 1;
> }
> @@ -339,13 +339,13 @@ static void mux_print_help(CharDriverState *chr)
> "\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r",
> term_escape_char);
> }
> - chr->chr_write(chr, (uint8_t *)cbuf, strlen(cbuf));
> + qemu_chr_fe_write(chr, (uint8_t *)cbuf, strlen(cbuf));
> for (i = 0; mux_help[i] != NULL; i++) {
> for (j=0; mux_help[i][j] != '\0'; j++) {
> if (mux_help[i][j] == '%')
> - chr->chr_write(chr, (uint8_t *)ebuf, strlen(ebuf));
> + qemu_chr_fe_write(chr, (uint8_t *)ebuf, strlen(ebuf));
> else
> - chr->chr_write(chr, (uint8_t *)&mux_help[i][j], 1);
> + qemu_chr_fe_write(chr, (uint8_t *)&mux_help[i][j], 1);
> }
> }
> }
> @@ -370,7 +370,7 @@ static int mux_proc_byte(CharDriverState *chr, MuxDriver
> *d, int ch)
> case 'x':
> {
> const char *term = "QEMU: Terminated\n\r";
> - chr->chr_write(chr,(uint8_t *)term,strlen(term));
> + qemu_chr_fe_write(chr, (uint8_t *)term, strlen(term));
> exit(0);
> break;
> }
> --
> 1.8.3.1
>
>
- [Qemu-devel] [PATCH 0/5] qemu-char/monitor: make monitor_puts thread safe, Paolo Bonzini, 2014/06/03
- [Qemu-devel] [PATCH 1/6] qemu-char: introduce qemu_chr_alloc, Paolo Bonzini, 2014/06/03
- [Qemu-devel] [PATCH 2/6] qemu-char: do not call chr_write directly, Paolo Bonzini, 2014/06/03
- Re: [Qemu-devel] [PATCH 2/6] qemu-char: do not call chr_write directly,
Fam Zheng <=
- [Qemu-devel] [PATCH 3/6] qemu-char: move pty_chr_update_read_handler around, Paolo Bonzini, 2014/06/03
- [Qemu-devel] [PATCH 6/6] monitor: protect event emission, Paolo Bonzini, 2014/06/03
- [Qemu-devel] [PATCH 5/6] monitor: protect outbuf with mutex, Paolo Bonzini, 2014/06/03
- [Qemu-devel] [PATCH 4/6] qemu-char: make writes thread-safe, Paolo Bonzini, 2014/06/03