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MINOR: sink: set the fd-type sinks to non-blocking

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Just like we used to do for the logs, we must disable blocking on FD
output except if it's a terminal.
This commit is contained in:
Willy Tarreau 2019-08-27 10:34:32 +02:00
parent 177adc9e57
commit 799e9ed62b
1 changed files with 7 additions and 0 deletions
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7
src/sink.c
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@ -19,6 +19,8 @@
*/ */
#include <sys/uio.h> #include <sys/uio.h>
#include <fcntl.h>
#include <unistd.h>
#include <common/compat.h> #include <common/compat.h>
#include <common/config.h> #include <common/config.h>
#include <common/ist.h> #include <common/ist.h>
@ -89,6 +91,11 @@ struct sink *sink_new_fd(const char *name, const char *desc, enum sink_fmt fmt,
goto end; goto end;
} }
/* FD not yet initialized to non-blocking mode.
* DON'T DO IT ON A TERMINAL!
*/
if (!isatty(fd))
fcntl(fd, F_SETFL, O_NONBLOCK);
sink->type = SINK_TYPE_FD; sink->type = SINK_TYPE_FD;
sink->ctx.fd = fd; sink->ctx.fd = fd;
end: end: