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Replace valid memory checks with new myfault class "exception handling", almost

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everywhere.  Leave some thread.cc stuff alone for now.
* cygtls.h: Kludge some definitions to avoid including a problematic windows
header.
(_cygtls::_myfault): New entry.
(_cygtls::_myfault_errno): Ditto.
(_cygtls::fault_guarded): New function.
(_cygtls::setup_fault): Ditto.
(_cygtls::return_from_fault): Ditto.
(_cygtls::clear_fault): Ditto.
(myfault): New class.
* exceptions.cc (handle_exceptions): Handle case of guarded fault in system
routine.
* gendef: Add another entry point for setjmp that the compiler doesn't know
about and won't complain about.
* gentls_offsets: Just include windows.h rather than kludging a HANDLE def.
* miscfuncs.cc (check_null_str): Delete.
(check_null_empty_str): Ditto.
(check_null_empty_str_errno): Ditto.
(check_null_str_errno): Ditto.
(__check_null_invalid_struct): Ditto.
(__check_null_invalid_struct_errno): Ditto.
(__check_invalid_read_ptr): Ditto.
(__check_invalid_read_ptr_errno): Ditto.
(dummytest): New function.
(check_iovec_for_read): Delete.
(chec_iovec): Rename from check_iovec_for_write.  Take a read/write parameter.
* tlsoffsets.h: Regenerate.
* winsup.h: Remove check_* declarations.
(check_iovec_for_read): Delete declaration.  Turn into a define instead.
(check_iovec_for_write): Ditto.
(check_iovec): New declaration.
* thread.h: Use ifdef guard name consistent with other header files.
This commit is contained in:
Christopher Faylor
2005-07-03 02:40:30 +00:00
parent 766bda7133
commit 893ac8e03c
32 changed files with 514 additions and 446 deletions
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10
winsup/cygwin/fhandler_socket.cc
View File

@ -35,6 +35,7 @@
#include "wininfo.h"
#include <unistd.h>
#include <sys/acl.h>
#include "cygtls.h"
#define ASYNC_MASK (FD_READ|FD_WRITE|FD_OOB|FD_ACCEPT|FD_CONNECT)
@ -1659,11 +1660,14 @@ fhandler_socket::getpeereid (pid_t *pid, __uid32_t *euid, __gid32_t *egid)
return -1;
}
if (!check_null_invalid_struct (pid))
myfault efault;
if (efault.faulted (EFAULT))
return -1;
if (pid)
*pid = sec_peer_pid;
if (!check_null_invalid_struct (euid))
if (euid)
*euid = sec_peer_uid;
if (!check_null_invalid_struct (egid))
if (egid)
*egid = sec_peer_gid;
return 0;
}