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* sigproc.cc (no_signals_available): Use existence of signal thread handle to 

figure out if we can actually send signals rather than relying on my_sendsig.
(hwait_sig): Make static.
(sigproc_init): Don't set my_sendsig to anything special.  Use new global
static hwait_sig.
(wait_sig): Set hwait_sig to NULL when we are exiting.
This commit is contained in:
Christopher Faylor 2006-01-05 22:38:51 +00:00
parent 2ea1dced21
commit 1b00002744
2 changed files with 14 additions and 3 deletions
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10
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,13 @@
2006-01-05 Christopher Faylor <cgf@timesys.com>
* sigproc.cc (no_signals_available): Use existence of signal thread
handle to figure out if we can actually send signals rather than
relying on my_sendsig.
(hwait_sig): Make static.
(sigproc_init): Don't set my_sendsig to anything special. Use new
global static hwait_sig.
(wait_sig): Set hwait_sig to NULL when we are exiting.
2006-01-05 Christopher Faylor <cgf@timesys.com>
* include/getopt.h: Accommodate recent unfortunate newlib changes.

7
winsup/cygwin/sigproc.cc
View File

@ -39,7 +39,7 @@ details. */
#define WSSC 60000 // Wait for signal completion
#define WPSP 40000 // Wait for proc_subproc mutex
#define no_signals_available(x) (!my_sendsig || ((x) && myself->exitcode & EXITCODE_SET) || &_my_tls == _sig_tls)
#define no_signals_available(x) (!hwait_sig || ((x) && myself->exitcode & EXITCODE_SET) || &_my_tls == _sig_tls)
#define NPROCS 256
@ -61,6 +61,7 @@ HANDLE NO_COPY signal_arrived; // Event signaled when a signal has
HANDLE NO_COPY sigCONT; // Used to "STOP" a process
Static cygthread *hwait_sig;
Static HANDLE wait_sig_inited; // Control synchronization of
// message queue startup
@ -483,9 +484,8 @@ sigproc_init ()
*/
sync_proc_subproc.init ("sync_proc_subproc");
my_sendsig = INVALID_HANDLE_VALUE; // changed later
sync_startup = NULL;
cygthread *hwait_sig = new cygthread (wait_sig, 0, cygself, "sig");
hwait_sig = new cygthread (wait_sig, 0, cygself, "sig");
hwait_sig->zap_h ();
global_sigs[SIGSTOP].sa_flags = SA_RESTART | SA_NODEFER;
@ -1141,6 +1141,7 @@ wait_sig (VOID *)
}
break;
case __SIGEXIT:
hwait_sig = NULL;
sigproc_printf ("saw __SIGEXIT");
break; /* handle below */
default: