improve delays created by vicon drawing locks, reset_cache segv fix, gang track toolt...

[goodguy/cinelerra.git] / cinelerra-5.1 / guicast / bcsignals.C

diff --git a/cinelerra-5.1/guicast/bcsignals.C b/cinelerra-5.1/guicast/bcsignals.C
index ffc8a1c156d4062adb38c80846620cb2f9e00080..779d7e40922ff8919bc2e190ce2dea1fee967f20 100644 (file)
--- a/cinelerra-5.1/guicast/bcsignals.C
+++ b/cinelerra-5.1/guicast/bcsignals.C
@@ -313,6 +313,8 @@ BC_Signals::~BC_Signals()
 }
 
 
+int dump_xerror = -1;
+
 int BC_Signals::x_error_handler(Display *display, XErrorEvent *event)
 {
        char string[1024];
@@ -320,6 +322,12 @@ int BC_Signals::x_error_handler(Display *display, XErrorEvent *event)
        fprintf(stderr, "BC_Signals::x_error_handler: error_code=%d opcode=%d,%d id=0x%jx %s\n",
                event->error_code, event->request_code, event->minor_code,
                (int64_t)event->resourceid, string);
+       if( dump_xerror < 0 ) {
+               char *env = getenv("BC_TRACE_XERROR");
+               dump_xerror = !env || !atoi(env) ? 0 : 1;
+       }
+       if( dump_xerror )
+               dump_stack();
        return 0;
 }