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* dcrt0.cc (dll_crt0_0): Call malloc_init and user_shared_initialize_1

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here in case we're dynamically loaded.  Explain why.
	(dll_crt0_1): Call user_shared_initialize_1 from here.
	* mount.cc (is_native_path): New inline function testing for native
	and long Win32 path prefix.
	(is_unc_share): Remove long WIn32 path prefix test.
	(mount_info::create_root_entry): Use PATH_MAX buffer.
	(mount_info::init): Ditto.
	(mount_info::add_item): Test for is_native_path as well.
	* path.cc (normalize_win32_path): Simplify native path prefix code.
	* shared.cc (user_shared_initialize_1): New function taking user
	shared initialization code relying on malloc and cygtls.
	(user_shared_initialize): Move mountinfo initialization to
	user_shared_initialize_1.
	* shared_info.h (user_shared_initialize_1): Declare.
	* syscalls.cc (seteuid32): Call user_shared_initialize_1 after user
	changed.
This commit is contained in:
Corinna Vinschen
2008-07-25 15:23:56 +00:00
parent 5f853b3fc5
commit 1d011c0a68
7 changed files with 79 additions and 24 deletions
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33
winsup/cygwin/shared.cc
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@@ -198,6 +198,24 @@ open_shared (const char *name, int n, HANDLE& shared_h, DWORD size,
return shared;
}
/* User shared initialization which requires malloc and cygtls stuff has to
go here. */
void
user_shared_initialize_1 ()
{
if (!user_shared->cb)
{
cygpsid sid (cygheap->user.sid ());
struct passwd *pw = internal_getpwsid (sid);
/* Correct the user name with what's defined in /etc/passwd before
loading the user fstab file. */
if (pw)
cygheap->user.set_name (pw->pw_name);
user_shared->mountinfo.init (); /* Initialize the mount table. */
user_shared->cb = sizeof (*user_shared);
}
}
void
user_shared_initialize (bool reinit)
{
@@ -224,19 +242,8 @@ user_shared_initialize (bool reinit)
debug_printf ("user shared version %x", user_shared->version);
DWORD sversion = (DWORD) InterlockedExchange ((LONG *) &user_shared->version, USER_VERSION_MAGIC);
/* Initialize the Cygwin per-user shared, if necessary */
if (!sversion)
{
cygpsid sid (cygheap->user.sid ());
struct passwd *pw = internal_getpwsid (sid);
/* Correct the user name with what's defined in /etc/passwd before
loading the user fstab file. */
if (pw)
cygheap->user.set_name (pw->pw_name);
user_shared->mountinfo.init (); /* Initialize the mount table. */
user_shared->cb = sizeof (*user_shared);
}
else
/* Wait for initialization of the Cygwin per-user shared, if necessary */
if (sversion)
{
while (!user_shared->cb)
low_priority_sleep (0); // Should be hit only very very rarely