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[lvmetad] Continue reading/writing on EINTR

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This commit is contained in:
Marian Csontos 2012-08-02 16:40:21 +02:00
parent 55c9286dea
commit 3843f54974
1 changed files with 4 additions and 4 deletions
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8
libdaemon/client/daemon-shared.c
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@ -56,9 +56,9 @@ int read_buffer(int fd, char **buffer) {
errno = ECONNRESET;
goto fail; /* we should never encounter EOF here */
}
if (result < 0 && errno != EAGAIN && errno != EWOULDBLOCK)
if (result < 0 && errno != EAGAIN && errno != EWOULDBLOCK && errno != EINTR)
goto fail;
/* TODO call select here if we encountered EAGAIN/EWOULDBLOCK */
/* TODO call select here if we encountered EAGAIN/EWOULDBLOCK/EINTR */
}
return 1;
fail:
@ -71,7 +71,7 @@ fail:
* Write a buffer to a filedescriptor. Keep trying. Blocks (even on
* SOCK_NONBLOCK) until all of the write went through.
*
* TODO use select on EWOULDBLOCK/EAGAIN to avoid useless spinning
* TODO use select on EWOULDBLOCK/EAGAIN/EINTR to avoid useless spinning
*/
int write_buffer(int fd, const char *buffer, int length) {
static const char terminate[] = "\n##\n";
@ -82,7 +82,7 @@ write:
int result = write(fd, buffer + written, length - written);
if (result > 0)
written += result;
if (result < 0 && errno != EWOULDBLOCK && errno != EAGAIN)
if (result < 0 && errno != EWOULDBLOCK && errno != EAGAIN && errno != EINTR)
return 0; /* too bad */
if (written == length) {
if (done)