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Improve monitor CLI client error handling

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This commit is contained in:
Andrew Bettison 2012-10-19 19:38:32 +10:30
parent cfc16e8e87
commit 21125bc9bc
1 changed files with 7 additions and 4 deletions
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11
monitor-client.c
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@ -172,12 +172,12 @@ int monitor_client_read(int fd, struct monitor_state *res, struct monitor_comman
if (res->bufferBytes==0)
res->cmd = (char *)res->buffer;
int bytesRead=read(fd, res->buffer + oldOffset, MONITOR_CLIENT_BUFFER_SIZE - oldOffset);
if (bytesRead<1){
int bytesRead = read(fd, res->buffer + oldOffset, MONITOR_CLIENT_BUFFER_SIZE - oldOffset);
if (bytesRead == -1){
switch(errno) {
case ENOTRECOVERABLE:
/* transient errors */
WHY_perror("read");
break;
case EINTR:
case EAGAIN:
#if defined(EWOULDBLOCK) && EWOULDBLOCK != EAGAIN
@ -185,7 +185,10 @@ int monitor_client_read(int fd, struct monitor_state *res, struct monitor_comman
#endif
return 0;
}
WHY_perror("read");
WHYF_perror("read(%d, %p, %ld)", fd, res->buffer + oldOffset, MONITOR_CLIENT_BUFFER_SIZE - oldOffset);
return -1;
} else if (bytesRead == 0) {
WHYF("read(%d, %p, %ld) returned %d", fd, res->buffer + oldOffset, MONITOR_CLIENT_BUFFER_SIZE - oldOffset, bytesRead);
return -1;
}
res->bufferBytes+=bytesRead;