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use exclusive lock, add includes

This commit is contained in:
Isaac Connor 2015-12-04 16:35:27 -05:00
parent e637915823
commit be36301779
1 changed files with 6 additions and 2 deletions
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8
src/zm_stream.cpp
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@ -18,6 +18,10 @@
//
#include <sys/un.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/file.h>
#include "zm.h"
#include "zm_mpeg.h"
@ -290,7 +294,7 @@ void StreamBase::openComms()
snprintf( sock_path_lock, sizeof(sock_path_lock), "%s/zms-%06d.lock", config.path_socks, connkey);
lock_fd = open(sock_path_lock, O_CREAT|O_WRONLY, S_IRUSR | S_IWUSR);
if (lock_fd <= 0 || flock(lock_fd, LOCK_SH|LOCK_NB) != 0)
if (lock_fd <= 0 || flock(lock_fd, LOCK_EX) != 0)
{
Error("Unable to lock sock lock file %s: %s", sock_path_lock, strerror(errno) );
@ -299,7 +303,7 @@ void StreamBase::openComms()
}
else
{
Debug( 1, "We have obtained a read lock on %s fd: %d", sock_path_lock, lock_fd);
Debug( 1, "We have obtained a lock on %s fd: %d", sock_path_lock, lock_fd);
}