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HADOOP-9566. Performing direct read using libhdfs sometimes raises SIGPIPE (which in turn throws SIGABRT) causing client crashes. Contributed by Colin Patrick McCabe. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1483612 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Aaron Myers 2013-05-17 00:06:56 +00:00
parent 0cd0f64656
commit 4e419b3551
2 changed files with 30 additions and 4 deletions
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4
hadoop-common-project/hadoop-common/CHANGES.txt
View File

@ -726,6 +726,10 @@ Release 2.0.5-beta - UNRELEASED
HADOOP-9563. Fix incompatibility introduced by HADOOP-9523.
(Tian Hong Wang via suresh)
HADOOP-9566. Performing direct read using libhdfs sometimes raises SIGPIPE
(which in turn throws SIGABRT) causing client crashes. (Colin Patrick
McCabe via atm)
Release 2.0.4-alpha - 2013-04-25
INCOMPATIBLE CHANGES

30
hadoop-common-project/hadoop-common/src/main/native/src/org/apache/hadoop/net/unix/DomainSocket.c
View File

@ -16,8 +16,7 @@
* limitations under the License.
*/
#define _GNU_SOURCE
#include "config.h"
#include "exception.h"
#include "org/apache/hadoop/io/nativeio/file_descriptor.h"
#include "org_apache_hadoop.h"
@ -31,6 +30,7 @@
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h> /* for FIONREAD */
#include <sys/socket.h>
#include <sys/stat.h>
@ -47,6 +47,15 @@
#define DEFAULT_SEND_TIMEOUT 120000
#define LISTEN_BACKLOG 128
/* In Linux, you can pass the MSG_NOSIGNAL flag to send, sendto, etc. to prevent
* those functions from generating SIGPIPE. HDFS-4831 for details.
*/
#ifdef MSG_NOSIGNAL
#define PLATFORM_SEND_FLAGS MSG_NOSIGNAL
#else
#define PLATFORM_SEND_FLAGS 0
#endif
/**
* Can't pass more than this number of file descriptors in a single message.
*/
@ -176,6 +185,19 @@ static jthrowable setup(JNIEnv *env, int *ofd, jobject jpath, int doConnect)
"is %zd bytes.", sizeof(addr.sun_path) - 1);
goto done;
}
#ifdef SO_NOSIGPIPE
/* On MacOS and some BSDs, SO_NOSIGPIPE will keep send and sendto from causing
* EPIPE. Note: this will NOT help when using write or writev, only with
* send, sendto, sendmsg, etc. See HDFS-4831.
*/
ret = 1;
if (setsockopt(fd, SOL_SOCKET, SO_NOSIGPIPE, (void *)&ret, sizeof(ret))) {
ret = errno;
jthr = newSocketException(env, ret,
"error setting SO_NOSIGPIPE on socket: error %s", terror(ret));
goto done;
}
#endif
if (doConnect) {
RETRY_ON_EINTR(ret, connect(fd,
(struct sockaddr*)&addr, sizeof(addr)));
@ -583,7 +605,7 @@ static jthrowable write_fully(JNIEnv *env, int fd, int8_t *buf, int amt)
int err, res;
while (amt > 0) {
res = write(fd, buf, amt);
res = send(fd, buf, amt, PLATFORM_SEND_FLAGS);
if (res < 0) {
err = errno;
if (err == EINTR) {
@ -685,7 +707,7 @@ jint offset, jint length)
goto done;
}
}
RETRY_ON_EINTR(ret, sendmsg(fd, &socketMsg, 0));
RETRY_ON_EINTR(ret, sendmsg(fd, &socketMsg, PLATFORM_SEND_FLAGS));
if (ret < 0) {
ret = errno;
jthr = newSocketException(env, ret, "sendmsg(2) error: %s", terror(ret));