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* cygheap.cc (init_cygheap::etc_changed): New method to signal

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a change in /etc.
	* cygheap.h (struct init_cygheap): Add member `etc_changed_h'
	and method `etc_changed'.
	* grp.cc (enum grp_state): Eliminate.
	(class grp_check): Ditto.
	(group_state): Define as `class pwdgrp_check'.
	(parse_grp): Remeber path and modification time of /etc/group file.
	* passwd.cc (enum_pwd_state): Eliminate.
	(class pwd_check): Ditto.
	(passwd_state): Define as `class pwdgrp_check'.
	(read_etc_passwd): Remember path and modification time of /etc/passwd
	file.
	* pwdgrp.h: New file.
	(enum pwdgrp_state): Substitutes `pwd_state' and `grp_state'.
	(class pwdgrp_check): Substitutes `pwd_check' and `grp_check'.
This commit is contained in:
Corinna Vinschen
2001-09-09 16:52:37 +00:00
parent d961def403
commit 49eef6d5f7
7 changed files with 124 additions and 103 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
winsup/cygwin/cygheap.cc
View File

@@ -16,6 +16,7 @@
#include "security.h"
#include "fhandler.h"
#include "dtable.h"
#include "path.h"
#include "cygheap.h"
#include "child_info.h"
#include "heap.h"
@@ -345,6 +346,39 @@ cstrdup1 (const char *s)
return p;
}
bool
init_cygheap::etc_changed ()
{
bool res = 0;
if (!etc_changed_h)
{
path_conv pwd ("/etc");
etc_changed_h = FindFirstChangeNotification (pwd, FALSE,
FILE_NOTIFY_CHANGE_LAST_WRITE);
if (etc_changed_h == INVALID_HANDLE_VALUE)
system_printf ("Can't open /etc for checking, %E", (char *) pwd,
etc_changed_h);
else if (!DuplicateHandle (hMainProc, etc_changed_h, hMainProc,
&etc_changed_h, 0, TRUE,
DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE))
{
system_printf ("Can't inherit /etc handle, %E", (char *) pwd,
etc_changed_h);
etc_changed_h = INVALID_HANDLE_VALUE;
}
}
if (etc_changed_h != INVALID_HANDLE_VALUE
&& WaitForSingleObject (etc_changed_h, 0) == WAIT_OBJECT_0)
{
(void) FindNextChangeNotification (etc_changed_h);
res = 1;
}
return res;
}
void
cygheap_root::set (const char *posix, const char *native)
{