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gst-launch: Support SIGINT (Ctrl+C) on W32

Browse source 
W32 has no SIGINT, but it does have SetConsoleCtrlHandler(), which sets up
a handler for Ctrl+C.

https://bugzilla.gnome.org/show_bug.cgi?id=733814
This commit is contained in:
Руслан Ижбулатов 2014-07-27 02:37:08 +00:00 committed by Sebastian Dröge
parent b87c55f6ed
commit 35fc309544
1 changed files with 24 additions and 2 deletions
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26
tools/gst-launch.c
View file

@ -35,6 +35,9 @@
#ifdef G_OS_UNIX
#include <glib-unix.h>
#include <sys/wait.h>
#elif defined (G_OS_WIN32)
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
#include <locale.h> /* for LC_ALL */
#include "tools.h"
@ -461,11 +464,14 @@ print_toc_entry (gpointer data, gpointer user_data)
g_list_foreach (subentries, print_toc_entry, GUINT_TO_POINTER (indent));
}
#ifdef G_OS_UNIX
#if defined(G_OS_UNIX) || defined(G_OS_WIN32)
static guint signal_watch_id;
#if defined(G_OS_WIN32)
static GstElement *intr_pipeline;
#endif
#endif
#ifdef G_OS_UNIX
#if defined(G_OS_UNIX) || defined(G_OS_WIN32)
/* As the interrupt handler is dispatched from GMainContext as a GSourceFunc
* handler, we can react to this by posting a message. */
static gboolean
@ -486,6 +492,15 @@ intr_handler (gpointer user_data)
return FALSE;
}
#if defined(G_OS_WIN32) /* G_OS_UNIX */
static BOOL WINAPI
w32_intr_handler (DWORD dwCtrlType)
{
intr_handler ((gpointer) intr_pipeline);
intr_pipeline = NULL;
return TRUE;
}
#endif /* G_OS_WIN32 */
#endif /* G_OS_UNIX */
/* returns ELR_ERROR if there was an error
@ -506,6 +521,10 @@ event_loop (GstElement * pipeline, gboolean blocking, gboolean do_progress,
#ifdef G_OS_UNIX
signal_watch_id =
g_unix_signal_add (SIGINT, (GSourceFunc) intr_handler, pipeline);
#elif defined(G_OS_WIN32)
intr_pipeline = NULL;
if (SetConsoleCtrlHandler (w32_intr_handler, TRUE))
intr_pipeline = pipeline;
#endif
while (TRUE) {
@ -831,6 +850,9 @@ exit:
#ifdef G_OS_UNIX
if (signal_watch_id > 0)
g_source_remove (signal_watch_id);
#elif defined(G_OS_WIN32)
intr_pipeline = NULL;
SetConsoleCtrlHandler (w32_intr_handler, FALSE);
#endif
return res;
}