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-rw-r--r--camel/ChangeLog3
-rw-r--r--camel/camel-tcp-stream-raw.c34
2 files changed, 32 insertions, 5 deletions
diff --git a/camel/ChangeLog b/camel/ChangeLog
index c85a10811c..98315fcf8d 100644
--- a/camel/ChangeLog
+++ b/camel/ChangeLog
@@ -1,5 +1,8 @@
2001-10-26 Jeffrey Stedfast <fejj@ximian.com>
+ * camel-tcp-stream-raw.c (stream_write): Check for EWOULDBLOCK too?
+ (stream_read): Same.
+
* providers/imap/camel-imap-message-cache.c
(camel_imap_message_cache_get): Lets try putting a
camel_stream_reset() here. Logic being that the stream may have
diff --git a/camel/camel-tcp-stream-raw.c b/camel/camel-tcp-stream-raw.c
index b320af32ab..d019b4c639 100644
--- a/camel/camel-tcp-stream-raw.c
+++ b/camel/camel-tcp-stream-raw.c
@@ -27,6 +27,7 @@
#include <sys/time.h>
#include <sys/types.h>
#include <sys/stat.h>
+#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
@@ -113,25 +114,48 @@ static ssize_t
tcp_write (int fd, const char *buffer, size_t buflen)
{
size_t len = buflen;
+ ssize_t nwritten;
int val;
+ if (buflen == 0)
+ return 0;
+
val = 1 + (int) (10.0 * rand () / (RAND_MAX + 1.0));
switch (val) {
case 1:
+ printf ("tcp_write (%d, ..., %d): (-1) EINTR\n", fd, buflen);
errno = EINTR;
return -1;
+#if 0
+ /* seems that if we set errno to either EAGAIN or
+ EWOULDBLOCK, libc's pthread crashes...wacky */
case 2:
+ printf ("tcp_write (%d, ..., %d): (-1) EAGAIN\n", fd, buflen);
errno = EAGAIN;
return -1;
case 3:
+ printf ("tcp_write (%d, ..., %d): (-1) EWOULDBLOCK\n", fd, buflen);
+ errno = EWOULDBLOCK;
+ return -1;
+#endif
case 4:
case 5:
+ case 6:
len = 1 + (size_t) (buflen * rand () / (RAND_MAX + 1.0));
len = MIN (len, buflen);
/* fall through... */
default:
- return write (fd, buffer, len);
+ printf ("tcp_write (%d, ..., %d): (%d) '%.*s'", fd, buflen, len, (int) len, buffer);
+ nwritten = write (fd, buffer, len);
+ if (nwritten < 0)
+ printf (" errno => %s\n", g_strerror (errno));
+ else if (nwritten < len)
+ printf (" only wrote %d bytes\n", nwritten);
+ else
+ printf ("\n");
+
+ return nwritten;
}
}
@@ -172,7 +196,7 @@ stream_read (CamelStream *stream, char *buffer, size_t n)
if (cancel_fd == -1) {
do {
nread = read (tcp_stream_raw->sockfd, buffer, n);
- } while (nread == -1 && (errno == EINTR || errno == EAGAIN));
+ } while (nread == -1 && (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK));
} else {
int error, flags, fdmax;
fd_set rdset;
@@ -196,7 +220,7 @@ stream_read (CamelStream *stream, char *buffer, size_t n)
do {
nread = read (tcp_stream_raw->sockfd, buffer, n);
} while (nread == -1 && errno == EINTR);
- } while (nread == -1 && errno == EAGAIN);
+ } while (nread == -1 && (errno == EAGAIN || errno == EWOULDBLOCK));
error = errno;
fcntl (tcp_stream_raw->sockfd, F_SETFL, flags);
@@ -223,7 +247,7 @@ stream_write (CamelStream *stream, const char *buffer, size_t n)
do {
do {
w = write (tcp_stream_raw->sockfd, buffer + written, n - written);
- } while (w == -1 && (errno == EINTR || errno == EAGAIN));
+ } while (w == -1 && (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK));
if (w > 0)
written += w;
@@ -254,7 +278,7 @@ stream_write (CamelStream *stream, const char *buffer, size_t n)
} while (w == -1 && errno == EINTR);
if (w == -1) {
- if (errno == EAGAIN)
+ if (errno == EAGAIN || errno == EWOULDBLOCK)
continue;
} else
written += w;