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In redisIsSupervised() use MSG_NOSIGNAL only for Linux.

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This commit is contained in:
antirez 2014-12-11 15:19:23 +01:00
parent ff01ce55d8
commit f24a0bc1c5
2 changed files with 11 additions and 2 deletions
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5
src/config.h
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@ -61,6 +61,11 @@
#define HAVE_BACKTRACE 1
#endif
/* MSG_NOSIGNAL. */
#ifdef __linux__
#define HAVE_MSG_NOSIGNAL 1
#endif
/* Test for polling API */
#ifdef __linux__
#define HAVE_EPOLL 1

8
src/redis.c
View File

@ -3586,6 +3586,7 @@ int redisIsSupervised(void) {
struct sockaddr_un su;
struct iovec iov;
struct msghdr hdr;
int sendto_flags = 0;
if (upstart_job == NULL && notify_socket == NULL)
return 0;
@ -3631,8 +3632,11 @@ int redisIsSupervised(void) {
hdr.msg_iovlen = 1;
unsetenv("NOTIFY_SOCKET");
if (sendmsg(fd, &hdr, MSG_NOSIGNAL) < 0) {
redisLog(REDIS_WARNING, "cannot send notification to systemd");
#ifdef HAVE_MSG_NOSIGNAL
sendto_flags |= MSG_NOSIGNAL;
#endif
if (sendmsg(fd, &hdr, sendto_flags) < 0) {
redisLog(REDIS_WARNING, "Cannot send notification to systemd");
close(fd);
return 0;
}