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unix-socket: add backlog size option to unix_stream_listen()

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Update `unix_stream_listen()` to take an options structure to override
default behaviors.  This commit includes the size of the `listen()` backlog.

Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff Hostetler
2021-03-15 21:08:25 +00:00
committed by Junio C Hamano
parent 4f98ce5865
commit 55144ccb0a
3 changed files with 19 additions and 4 deletions
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11
unix-socket.c
View File

@ -1,6 +1,8 @@
#include "cache.h"
#include "unix-socket.h"
#define DEFAULT_UNIX_STREAM_LISTEN_BACKLOG (5)
static int chdir_len(const char *orig, int len)
{
char *path = xmemdupz(orig, len);
@ -89,9 +91,11 @@ fail:
return -1;
}
int unix_stream_listen(const char *path)
int unix_stream_listen(const char *path,
const struct unix_stream_listen_opts *opts)
{
int fd = -1, saved_errno;
int backlog;
struct sockaddr_un sa;
struct unix_sockaddr_context ctx;
@ -106,7 +110,10 @@ int unix_stream_listen(const char *path)
if (bind(fd, (struct sockaddr *)&sa, sizeof(sa)) < 0)
goto fail;
if (listen(fd, 5) < 0)
backlog = opts->listen_backlog_size;
if (backlog <= 0)
backlog = DEFAULT_UNIX_STREAM_LISTEN_BACKLOG;
if (listen(fd, backlog) < 0)
goto fail;
unix_sockaddr_cleanup(&ctx);