transports: ssh: clean up after libssh2 on exit
After calling `libssh2_init`, we need to clean up after the library by
executing `libssh2_exit` as soon as we exit. Register a shutdown handler
to do so which simply calls `libssh2_exit`. This fixes several memory
leaks.
diff --git a/src/global.c b/src/global.c
index e2ad8fe..afa57e1 100644
--- a/src/global.c
+++ b/src/global.c
@@ -22,7 +22,7 @@
git_mutex git__mwindow_mutex;
-#define MAX_SHUTDOWN_CB 8
+#define MAX_SHUTDOWN_CB 9
static git_global_shutdown_fn git__shutdown_callbacks[MAX_SHUTDOWN_CB];
static git_atomic git__n_shutdown_callbacks;
diff --git a/src/transports/ssh.c b/src/transports/ssh.c
index d195d58..4c55e3f 100644
--- a/src/transports/ssh.c
+++ b/src/transports/ssh.c
@@ -9,6 +9,7 @@
#include <libssh2.h>
#endif
+#include "global.h"
#include "git2.h"
#include "buffer.h"
#include "netops.h"
@@ -893,6 +894,13 @@
#endif
}
+#ifdef GIT_SSH
+static void shutdown_ssh(void)
+{
+ libssh2_exit();
+}
+#endif
+
int git_transport_ssh_global_init(void)
{
#ifdef GIT_SSH
@@ -901,6 +909,7 @@
return -1;
}
+ git__on_shutdown(shutdown_ssh);
return 0;
#else
