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| author | Andrew Cagney <cagney@redhat.com> | 2000-08-24 10:48:22 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@redhat.com> | 2000-08-24 10:48:22 +0000 |
| commit | e1b09194cb4a30d662749d98b0e80ee9222ab090 (patch) | |
| tree | 31b81291b030774869b6a5951871d3f4c3e11e5b /gdb/remote.c | |
| parent | 6dd8c765d3c328fb2b86fcf2afa9efaf9a235470 (diff) | |
| download | gdb-e1b09194cb4a30d662749d98b0e80ee9222ab090.zip gdb-e1b09194cb4a30d662749d98b0e80ee9222ab090.tar.gz gdb-e1b09194cb4a30d662749d98b0e80ee9222ab090.tar.bz2 | |
2000-08-20 Michael Chastain <chastain@redhat.com>
* remote.c (read_frame): Handle SERIAL_TIMEOUT while reading
checksum.
Diffstat (limited to 'gdb/remote.c')
| -rw-r--r-- | gdb/remote.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/gdb/remote.c b/gdb/remote.c index 66a14fa..9a6e2f9 100644 --- a/gdb/remote.c +++ b/gdb/remote.c @@ -3871,12 +3871,25 @@ read_frame (char *buf, case '#': { unsigned char pktcsum; + int check_0 = 0; + int check_1 = 0; buf[bc] = '\0'; - pktcsum = fromhex (readchar (remote_timeout)) << 4; - pktcsum |= fromhex (readchar (remote_timeout)); + check_0 = readchar (remote_timeout); + if (check_0 >= 0) + check_1 = readchar (remote_timeout); + + if (check_0 == SERIAL_TIMEOUT || check_1 == SERIAL_TIMEOUT) + { + if (remote_debug) + fputs_filtered ("Timeout in checksum, retrying\n", gdb_stdlog); + return -1; + } + else if (check_0 < 0 || check_1 < 0) + error ("Communication error in checksum"); + pktcsum = (fromhex (check_0) << 4) | fromhex (check_1); if (csum == pktcsum) return bc; |