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hang in sig_wait waiting for debug lock


Hi!

  Running gcc's testsuite with cygwin1.dll from latest cvs i get the following strace:

[...]
**********************************************
Program name: e:\unix\bin\sh.exe (376)
App version:  1003.3, api: 0.46
DLL version:  1003.13, api: 0.62
DLL build:    2002-08-28 17:24
OS version:   Windows NT-4.0
Date/Time:    2002-08-28 17:25:52
**********************************************
  109    4291 [unknown (0x179)] sh 376 fhandler_base::fixup_after_fork: inheriting '/dev/tty1' from parent
   83    4374 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0xBC already opened
   72    4446 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0xD4 already opened
   78    4524 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0xAC already opened
   75    4599 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0xA0 already opened
   72    4671 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0xB4 already opened
   72    4743 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0xB0 already opened
   82    4825 [unknown (0x179)] sh 376 fhandler_base::fixup_after_fork: inheriting '/dev/tty1' from parent
   77    4902 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0x134 already opened
   72    4974 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0x13C already opened
   73    5047 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0x160 already opened
   73    5120 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0xC already opened
   72    5192 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0x104 already opened
   73    5265 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0x138 already opened
   70    5335 [unknown (0x179)] sh 376 fhandler_base::fixup_after_fork: inheriting '/dev/tty1' from parent
   68    5403 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0x140 already opened
   68    5471 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0x1C8 already opened
   67    5538 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0x14C already opened
   69    5607 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0x164 already opened
   67    5674 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0x144 already opened
   67    5741 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0x168 already opened
   69    5810 [unknown (0x179)] sh 376 fhandler_base::fixup_after_fork: inheriting '/dev/tty0' from parent
   68    5878 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0x64 already opened
   68    5946 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0x6C already opened
   66    6012 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0x28 already opened
   70    6082 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0x38 already opened
   69    6151 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0x34 already opened
   67    6218 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0x44 already opened
   67    6285 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0x4C already opened
   67    6352 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0x48 already opened
   68    6420 [unknown (0x179)] sh 376 fhandler_base::fork_fixup: handle 0x70 already opened
  131    6551 [unknown (0x179)] sh 376 open_shared: name shared, shared 0xA000000 (wanted 0xA000000), h 0x54
 1808    8359 [unknown (0x179)] sh 376 add_handle: void memory_init():147 54(cygheap->shared_h)
  187    8546 [unknown (0x179)] sh 376 heap_init: heap base 0xA010000, heap top 0xA010000
  282    8828 [unknown (0x179)] sh 376 open_shared: name duda, shared 0x1A010000 (wanted 0x0), h 0x78
   78    8906 [unknown (0x179)] sh 376 memory_init: opening mount table for 'duda' at 0xA010000
   76    8982 [unknown (0x179)] sh 376 add_handle: void memory_init():155 78(cygwin_mount_h)
   80    9062 [unknown (0x179)] sh 376 memory_init: mount table version 31DF at 0x1A010000
  185    9247 [main] sh 376 add_handle: void dll_crt0_1():661 16C(hMainProc)
   85    9332 [main] sh 376 add_handle: protecting handle 'hMainProc', inherited flag 0
   71    9403 [main] sh 376 add_handle: void dll_crt0_1():662 174(hMainThread)
   71    9474 [main] sh 376 add_handle: protecting handle 'hMainThread', inherited flag 0
  138    9612 [main] sh 376 add_handle: void events_init():1118 1B4(title_mutex)
   81    9693 [main] sh 376 add_handle: protecting handle 'title_mutex', inherited flag 0
   90    9783 [main] sh 376 events_init: windows_system_directory 'D:\WINNT40\System32\', windows_system_directory_length 20
   77    9860 [main] sh 376 events_init: cygwin_hmodule 0x61000000
  912   10772 [main] sh 376 parse_options: ntsec 1
  153   10925 [main] sh 376 parse_options: ntea 0
  138   11063 [main] sh 376 parse_options: binmode 65536
  138   11201 [main] sh 376 parse_options: glob (called func)
  135   11336 [main] sh 376 parse_options: tty 1801
  142   11478 [main] sh 376 parse_options: error_start (called func)
  132   11610 [main] sh 376 set_file_api_mode: File APIs set to OEM
   65   11675 [main] sh 376 parse_options: codepage (called func)
  127   11802 [main] sh 376 parse_options: winsymlinks 0
  388   12190 [main] sh 376 parse_options: returning
   73   12263 [main] sh 376 pinfo_init: pid 376, pgid 294
  147   12410 [main] sh 376 add_handle: void sigproc_init():563 210(wait_sig_inited)
  190   12600 [main] sh 376 add_handle: protecting handle 'wait_sig_inited', inherited flag 0
   89   12689 [main] sh 376 add_handle: void sigproc_init():568 214(signal_arrived)
   76   12765 [main] sh 376 add_handle: protecting handle 'signal_arrived', inherited flag 0
  921   13686 [main] sh 376 sigproc_init: process/signal handling enabled(1881)
  325   14011 [main] sh 376 transport_layer_pipes::connect: Error opening the pipe (2)
  224   14235 [main] sh 376 dll_crt0_1: user_data->main 0x408494
  272   14507 [sig] sh 376 wait_sig: sigcatch_nonmain 0x248, sigcatch_main 0x24C
   71   14742 [sig] sh 376 add_handle: DWORD wait_sig(void*):1065 244(sigcatch_nosync)

Here add_handle() blocks trying to acquire debug lock. I've added a
debug_printf just at start of add_handle, before call to lock
constructor. I'm trying to look deeper into this, but wanted to give a
heads-up.

egor.            mailto:deo@logos-m.ru icq 5165414 fidonet 2:5020/496.19


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