Problem explanation:
I am doing a Java application which calls a JNI Library to draw using OpenGL on
the window created by JAVA, using the JAWT NSView
handle given as in example:
http://developer.apple.com/library/mac/#samplecode/JAWTExample/Introduction/Intro.html,
and then adding
a customized NSView to the NSView given, as a subview.
When a window is resized to a smaller size the JAVA side of my code calls a
native function in my library to remove the native subview added
earlier. This is when the application stalls (Not Responding). Upon forcing
the application to quit, a crash report pops up part of which is shown
below. As far as I can understand this, there is a deadlock. This happens
upon calling removeFromSuperview method in NSView. This is called
on a different thread than the one in which the subview was added. Can this be
the issue causing the problem? Any help is greatly appreciated.
Can this function be called on a different thread than the one on which
'addsubview' was called?
Thread 3f1b6
User stack:
19 thread_start + 13 (in libSystem.B.dylib) [0x7fff850a5e89]
19 _pthread_start + 331 (in libSystem.B.dylib) [0x7fff850a5fd6]
19 jio_snprintf + 35946 (in libclient64.dylib) [0x10100d244]
19 JVM_StartThread + 1362 (in libclient64.dylib) [0x1010b0cf5]
19 JVM_StartThread + 1853 (in libclient64.dylib) [0x1010b0ee0]
19 JVM_StartThread + 2203 (in libclient64.dylib) [0x1010b103e]
19 JVM_StartThread + 2299 (in libclient64.dylib) [0x1010b109e]
19 JVM_StartThread + 2565 (in libclient64.dylib) [0x1010b11a8]
19 JVM_Lseek + 193197 (in libclient64.dylib) [0x1010a511e]
19 ??? [0x104001438]
19 ??? [0x10400685a]
19 ??? [0x10400685a]
19 ??? [0x10400685a]
19 ??? [0x10400685a]
19 ??? [0x104006a82]
19 ??? [0x10400685a]
19 ??? [0x104006e8d]
19 ??? [0x1040069b3]
19 ??? [0x104011d6e]
19 JVM_DoPrivileged + 93 (in
libjvmlinkage.dylib) [0x1000961ad]
19 JVM_DoPrivileged + 560 (in
libclient64.dylib) [0x1010b03b5]
19 JVM_Lseek + 192625 (in
libclient64.dylib) [0x1010a4ee2]
19 JVM_Lseek + 193197 (in
libclient64.dylib) [0x1010a511e]
19 ??? [0x104001438]
19 ??? [0x1040069b3]
19 ??? [0x10400685a]
19 ??? [0x10400685a]
19 ??? [0x104006d34]
19 ??? [0x10400685a]
19 ???
[0x104006d34]
19 ???
[0x10400685a]
19 ???
[0x10400685a]
19 ???
[0x10400685a]
19 ???
[0x10400685a]
19 ???
[0x10400685a]
19
??? [0x10400685a]
19
??? [0x10400685a]
19 ??? [0x10400685a]
19 ??? [0x10400685a]
19 ??? [0x10400685a]
19 ??? [0x10400685a]
19 ??? [0x10400685a]
19 ??? [0x104006a82]
19 ??? [0x104011d6e]
19 Java_hob_rdp_ui_sys_c_1rdpuimanager_00024c_1painter_n_1remove +
84 (rdpde.mm:370 in libmacrdpui.dylib) [0x1244b7cca]
19 hob::rdp::c_rdpwindow::unparent_window() + 339
(macrdpui.hpp:802 in libmacrdpui.dylib) [0x1244ba7cb]
19 -[NSView removeFromSuperview] + 46 (in AppKit)
[0x7fff83c22143]
19 -[NSViewHierarchyLock _lockForWriting:handler:] + 528 (in
AppKit) [0x7fff83be1e33]
19 __semwait_signal + 10 (in libSystem.B.dylib)
[0x7fff850a7a6a]
Kernel stack:
19 semaphore_wait_continue + 0 [0x22a88f]
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