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* dcrt0.cc (dll_crt0_1): Move uinfo_init call to before sigproc_init to avoid a 

race.
(noload): Add an extra argument for debugging.
* uinfo.cc (uinfo_init): Eliminate test for multiple calls.
(getlogin): Assume that uinfo_init has already been called.
This commit is contained in:
Christopher Faylor 2000-05-22 00:54:22 +00:00
parent c9ae5a27b3
commit 7054be8b55
3 changed files with 18 additions and 16 deletions
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8
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,11 @@
Sun May 21 20:51:44 2000 Christopher Faylor <cgf@cygnus.com>
* dcrt0.cc (dll_crt0_1): Move uinfo_init call to before sigproc_init to
avoid a race.
(noload): Add an extra argument for debugging.
* uinfo.cc (uinfo_init): Eliminate test for multiple calls.
(getlogin): Assume that uinfo_init has already been called.
Sat May 20 01:34:57 2000 Christopher Faylor <cgf@cygnus.com>
* exceptions.cc (interruptible): Add an argument to control whether

22
winsup/cygwin/dcrt0.cc
View File

@ -721,6 +721,9 @@ dll_crt0_1 ()
/* Allocate dtable */
dtable_init ();
/* Initialize uid, gid. */
uinfo_init ();
/* Initialize signal/subprocess handling. */
sigproc_init ();
@ -730,11 +733,6 @@ dll_crt0_1 ()
/* Set up standard fds in file descriptor table. */
hinfo_init ();
#if 0
/* Initialize uid, gid. */
uinfo_init ();
#endif
/* Scan the command line and build argv. Expand wildcards if not
called from another cygwin process. */
build_argv (line, argv, argc,
@ -758,14 +756,11 @@ dll_crt0_1 ()
set_errno (0);
debug_printf ("user_data->main %p", user_data->main);
/* Initialize uid, gid. */
uinfo_init ();
/* Flush signals and ensure that signal thread is up and running. Can't
do this for noncygwin case since the signal thread is blocked due to
LoadLibrary serialization. */
if (!dynamically_loaded)
sig_send (NULL, __SIGFLUSH);
sig_send (NULL, __SIGFLUSH); /* also initializes uid, gid */
if (user_data->main && !dynamically_loaded)
exit (user_data->main (argc, argv, *user_data->envptr));
@ -992,13 +987,14 @@ __api_fatal (const char *fmt, ...)
}
extern "C" {
static void noload (char *s) __asm__ ("noload");
static void noload (HANDLE h, char *s) __asm__ ("noload");
static void __attribute__((unused))
noload (char *s)
noload (HANDLE h, char *s)
{
api_fatal ("couldn't dynamically determine load address for '%s', %E", s);
api_fatal ("couldn't dynamically determine load address for '%s' (handle %p), %E", s, h);
}
/* FIXME: This is not thread-safe! */
__asm__ ("
.globl cygwin_dll_func_load
cygwin_dll_func_load:
@ -1013,6 +1009,8 @@ cygwin_dll_func_load:
popl %eax # No. Get back
addl $8,%eax # pointer to name
pushl %eax # and
movl -4(%eax),%eax # Address of Handle to DLL
pushl (%eax) # Handle to DLL
call noload # issue an error
gotit:
popl %ecx # Pointer to 'return address'

4
winsup/cygwin/uinfo.cc
View File

@ -109,9 +109,6 @@ uinfo_init ()
{
struct passwd *p;
if (myself->username[0])
return;
myself->psid = (PSID) myself->sidbuf;
if ((p = getpwnam (internal_getlogin (myself))) != NULL)
{
@ -140,7 +137,6 @@ getlogin (void)
static NO_COPY char this_username[MAX_USER_NAME];
#endif
uinfo_init ();
return strcpy (this_username, myself->username);
}