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* exceptions.cc (try_to_debug): Fix off-by-one problem when resetting

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environment variable after error_start detected.
* fhandler_tty_slave.cc (fhandler_tty_slave::close): Clarify debug message.
* syscalls.cc (setsid): Don't increment usecount here, since it will be
automatically decremented on close.
This commit is contained in:
Christopher Faylor 2003-12-27 00:25:02 +00:00
parent 6dc18ca4d3
commit 56b5feb639
4 changed files with 18 additions and 5 deletions
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10
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,13 @@
2003-12-26 Christopher Faylor <cgf@redhat.com>
* exceptions.cc (try_to_debug): Fix off-by-one problem when resetting
environment variable after error_start detected.
* fhandler_tty_slave.cc (fhandler_tty_slave::close): Clarify debug
message.
* syscalls.cc (setsid): Don't increment usecount here, since it will be
automatically decremented on close.
2003-12-26 Christopher Faylor <cgf@redhat.com> 2003-12-26 Christopher Faylor <cgf@redhat.com>
* exceptions.cc (setup_handler): Protect against a race. * exceptions.cc (setup_handler): Protect against a race.

9
winsup/cygwin/exceptions.cc
View File

@ -350,12 +350,15 @@ try_to_debug (bool waitloop)
char* rawenv = GetEnvironmentStrings () ; char* rawenv = GetEnvironmentStrings () ;
for (char* p = rawenv; *p != '\0'; p = strchr (p, '\0') + 1) for (char* p = rawenv; *p != '\0'; p = strchr (p, '\0') + 1)
{ {
if (strncmp (p, "CYGWIN=", sizeof ("CYGWIN=") - 1) == 0) if (strncmp (p, "CYGWIN=", strlen ("CYGWIN=")) == 0)
{ {
char* q = strstr (p, "error_start") ; char* q = strstr (p, "error_start") ;
/* replace 'error_start=...' with '_rror_start=...' */ /* replace 'error_start=...' with '_rror_start=...' */
if (q) *q = '_' ; if (q)
SetEnvironmentVariable ("CYGWIN", p + sizeof ("CYGWIN=")) ; {
*q = '_' ;
SetEnvironmentVariable ("CYGWIN", p + strlen ("CYGWIN=")) ;
}
break ; break ;
} }
} }

2
winsup/cygwin/fhandler_tty.cc
View File

@ -620,7 +620,7 @@ fhandler_tty_slave::close ()
if (archetype->usecount < 0) if (archetype->usecount < 0)
system_printf ("usecount %d", archetype->usecount); system_printf ("usecount %d", archetype->usecount);
#endif #endif
termios_printf ("just exiting because archetype usecount is > 0"); termios_printf ("just returning because archetype usecount is > 0");
return 0; return 0;
} }

2
winsup/cygwin/syscalls.cc
View File

@ -335,7 +335,7 @@ setsid (void)
myself->pgid, myself->ctty, fhandler_console::open_fhs); myself->pgid, myself->ctty, fhandler_console::open_fhs);
if (cygheap->ctty) if (cygheap->ctty)
{ {
if (!--cygheap->ctty->usecount) if (cygheap->ctty->usecount == 1)
cygheap->ctty->close (); cygheap->ctty->close ();
cygheap->ctty = NULL; cygheap->ctty = NULL;
} }