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ntdll: Remove support for setting custom signal handlers. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2020-06-06 16:44:39 +02:00
parent 173644b08f
commit 683583faf2
6 changed files with 33 additions and 181 deletions
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3
dlls/ntdll/ntdll.spec
View File

@ -1601,9 +1601,6 @@
# Codepages
@ cdecl __wine_get_unix_codepage()
# signal handling
@ cdecl __wine_set_signal_handler(long ptr)
# Filesystem
@ cdecl wine_nt_to_unix_file_name(ptr ptr long long)
@ cdecl wine_unix_to_nt_file_name(ptr ptr)

51
dlls/ntdll/signal_arm.c
View File

@ -119,9 +119,6 @@ enum arm_trap_code
};
typedef void (WINAPI *raise_func)( EXCEPTION_RECORD *rec, CONTEXT *context );
typedef int (*wine_signal_handler)(unsigned int sig);
static wine_signal_handler handlers[256];
/***********************************************************************
@ -164,15 +161,6 @@ static inline WORD get_error_code( const ucontext_t *sigcontext )
#endif
}
/***********************************************************************
* dispatch_signal
*/
static inline int dispatch_signal(unsigned int sig)
{
if (handlers[sig] == NULL) return 0;
return handlers[sig](sig);
}
/*******************************************************************
* is_valid_frame
*/
@ -700,22 +688,19 @@ static void fpe_handler( int signal, siginfo_t *siginfo, void *sigcontext )
*/
static void int_handler( int signal, siginfo_t *siginfo, void *sigcontext )
{
if (!dispatch_signal(SIGINT))
{
EXCEPTION_RECORD rec;
CONTEXT context;
NTSTATUS status;
EXCEPTION_RECORD rec;
CONTEXT context;
NTSTATUS status;
save_context( &context, sigcontext );
rec.ExceptionCode = CONTROL_C_EXIT;
rec.ExceptionFlags = EXCEPTION_CONTINUABLE;
rec.ExceptionRecord = NULL;
rec.ExceptionAddress = (LPVOID)context.Pc;
rec.NumberParameters = 0;
status = raise_exception( &rec, &context, TRUE );
if (status) raise_status( status, &rec );
restore_context( &context, sigcontext );
}
save_context( &context, sigcontext );
rec.ExceptionCode = CONTROL_C_EXIT;
rec.ExceptionFlags = EXCEPTION_CONTINUABLE;
rec.ExceptionRecord = NULL;
rec.ExceptionAddress = (LPVOID)context.Pc;
rec.NumberParameters = 0;
status = raise_exception( &rec, &context, TRUE );
if (status) raise_status( status, &rec );
restore_context( &context, sigcontext );
}
@ -768,18 +753,6 @@ static void usr1_handler( int signal, siginfo_t *siginfo, void *sigcontext )
}
/***********************************************************************
* __wine_set_signal_handler (NTDLL.@)
*/
int CDECL __wine_set_signal_handler(unsigned int sig, wine_signal_handler wsh)
{
if (sig >= ARRAY_SIZE(handlers)) return -1;
if (handlers[sig] != NULL) return -2;
handlers[sig] = wsh;
return 0;
}
/**********************************************************************
* signal_init_process
*/

34
dlls/ntdll/signal_arm64.c
View File

@ -141,10 +141,6 @@ struct stack_layout
void *redzone[2];
};
typedef int (*wine_signal_handler)(unsigned int sig);
static wine_signal_handler handlers[256];
struct arm64_thread_data
{
void *exit_frame; /* exit frame pointer */
@ -159,15 +155,6 @@ static inline struct arm64_thread_data *arm64_thread_data(void)
return (struct arm64_thread_data *)NtCurrentTeb()->SystemReserved2;
}
/***********************************************************************
* dispatch_signal
*/
static inline int dispatch_signal(unsigned int sig)
{
if (handlers[sig] == NULL) return 0;
return handlers[sig](sig);
}
/***********************************************************************
* get_signal_stack
*
@ -998,13 +985,10 @@ static void fpe_handler( int signal, siginfo_t *siginfo, void *sigcontext )
*/
static void int_handler( int signal, siginfo_t *siginfo, void *sigcontext )
{
if (!dispatch_signal(SIGINT))
{
struct stack_layout *stack = setup_exception( sigcontext );
struct stack_layout *stack = setup_exception( sigcontext );
stack->rec.ExceptionCode = CONTROL_C_EXIT;
setup_raise_exception( sigcontext, stack );
}
stack->rec.ExceptionCode = CONTROL_C_EXIT;
setup_raise_exception( sigcontext, stack );
}
@ -1064,18 +1048,6 @@ static void usr2_handler( int signal, siginfo_t *siginfo, void *sigcontext )
}
/***********************************************************************
* __wine_set_signal_handler (NTDLL.@)
*/
int CDECL __wine_set_signal_handler(unsigned int sig, wine_signal_handler wsh)
{
if (sig >= ARRAY_SIZE(handlers)) return -1;
if (handlers[sig] != NULL) return -2;
handlers[sig] = wsh;
return 0;
}
/**********************************************************************
* signal_init_process
*/

39
dlls/ntdll/signal_i386.c
View File

@ -442,12 +442,8 @@ struct stack_layout
DWORD eip;
};
typedef int (*wine_signal_handler)(unsigned int sig);
static ULONG first_ldt_entry = 32;
static wine_signal_handler handlers[256];
enum i386_trap_code
{
TRAP_x86_UNKNOWN = -1, /* Unknown fault (TRAP_sig not defined) */
@ -551,16 +547,6 @@ static inline int ldt_is_system( WORD sel )
return is_gdt_sel( sel ) || ((sel >> 3) < first_ldt_entry);
}
/***********************************************************************
* dispatch_signal
*/
static inline int dispatch_signal(unsigned int sig)
{
if (handlers[sig] == NULL) return 0;
return handlers[sig](sig);
}
/***********************************************************************
* get_trap_code
*
@ -1800,19 +1786,12 @@ static void fpe_handler( int signal, siginfo_t *siginfo, void *sigcontext )
* int_handler
*
* Handler for SIGINT.
*
* FIXME: should not be calling external functions on the signal stack.
*/
static void int_handler( int signal, siginfo_t *siginfo, void *sigcontext )
{
WORD fs, gs;
void *stack_ptr = init_handler( sigcontext, &fs, &gs );
if (!dispatch_signal(SIGINT))
{
struct stack_layout *stack = setup_exception_record( sigcontext, stack_ptr, fs, gs );
stack->rec.ExceptionCode = CONTROL_C_EXIT;
setup_raise_exception( sigcontext, stack );
}
struct stack_layout *stack = setup_exception( sigcontext );
stack->rec.ExceptionCode = CONTROL_C_EXIT;
setup_raise_exception( sigcontext, stack );
}
/**********************************************************************
@ -1859,18 +1838,6 @@ static void usr1_handler( int signal, siginfo_t *siginfo, void *sigcontext )
}
/***********************************************************************
* __wine_set_signal_handler (NTDLL.@)
*/
int CDECL __wine_set_signal_handler(unsigned int sig, wine_signal_handler wsh)
{
if (sig >= ARRAY_SIZE(handlers)) return -1;
if (handlers[sig] != NULL) return -2;
handlers[sig] = wsh;
return 0;
}
/**********************************************************************
* signal_init_process
*/

53
dlls/ntdll/signal_powerpc.c
View File

@ -140,20 +140,6 @@ SIGFPE
#endif /* __APPLE__ */
typedef int (*wine_signal_handler)(unsigned int sig);
static wine_signal_handler handlers[256];
/***********************************************************************
* dispatch_signal
*/
static inline int dispatch_signal(unsigned int sig)
{
if (handlers[sig] == NULL) return 0;
return handlers[sig](sig);
}
/***********************************************************************
* save_context
*
@ -599,22 +585,19 @@ static void fpe_handler( int signal, siginfo_t *siginfo, void *sigcontext )
*/
static void int_handler( int signal, siginfo_t *siginfo, void *sigcontext )
{
if (!dispatch_signal(SIGINT))
{
EXCEPTION_RECORD rec;
CONTEXT context;
NTSTATUS status;
EXCEPTION_RECORD rec;
CONTEXT context;
NTSTATUS status;
save_context( &context, sigcontext );
rec.ExceptionCode = CONTROL_C_EXIT;
rec.ExceptionFlags = EXCEPTION_CONTINUABLE;
rec.ExceptionRecord = NULL;
rec.ExceptionAddress = (LPVOID)context.Iar;
rec.NumberParameters = 0;
status = raise_exception( &rec, &context, TRUE );
if (status) raise_status( status, &rec );
restore_context( &context, sigcontext );
}
save_context( &context, sigcontext );
rec.ExceptionCode = CONTROL_C_EXIT;
rec.ExceptionFlags = EXCEPTION_CONTINUABLE;
rec.ExceptionRecord = NULL;
rec.ExceptionAddress = (LPVOID)context.Iar;
rec.NumberParameters = 0;
status = raise_exception( &rec, &context, TRUE );
if (status) raise_status( status, &rec );
restore_context( &context, sigcontext );
}
@ -667,18 +650,6 @@ static void usr1_handler( int signal, siginfo_t *siginfo, void *sigcontext )
}
/***********************************************************************
* __wine_set_signal_handler (NTDLL.@)
*/
int CDECL __wine_set_signal_handler(unsigned int sig, wine_signal_handler wsh)
{
if (sig >= ARRAY_SIZE(handlers)) return -1;
if (handlers[sig] != NULL) return -2;
handlers[sig] = wsh;
return 0;
}
/**********************************************************************
* signal_init_process
*/

34
dlls/ntdll/signal_x86_64.c
View File

@ -292,10 +292,6 @@ struct stack_layout
ULONG64 red_zone[16];
};
typedef int (*wine_signal_handler)(unsigned int sig);
static wine_signal_handler handlers[256];
struct amd64_thread_data
{
DWORD_PTR dr0; /* debug registers */
@ -1634,15 +1630,6 @@ static NTSTATUS virtual_unwind( ULONG type, DISPATCHER_CONTEXT *dispatch, CONTEX
return STATUS_SUCCESS;
}
/***********************************************************************
* dispatch_signal
*/
static inline int dispatch_signal(unsigned int sig)
{
if (handlers[sig] == NULL) return 0;
return handlers[sig](sig);
}
/***********************************************************************
* get_signal_stack
*
@ -2705,12 +2692,9 @@ static void fpe_handler( int signal, siginfo_t *siginfo, void *sigcontext )
*/
static void int_handler( int signal, siginfo_t *siginfo, void *sigcontext )
{
if (!dispatch_signal(SIGINT))
{
struct stack_layout *stack = setup_exception( sigcontext );
stack->rec.ExceptionCode = CONTROL_C_EXIT;
setup_raise_exception( sigcontext, stack );
}
struct stack_layout *stack = setup_exception( sigcontext );
stack->rec.ExceptionCode = CONTROL_C_EXIT;
setup_raise_exception( sigcontext, stack );
}
@ -2754,18 +2738,6 @@ static void usr1_handler( int signal, siginfo_t *siginfo, void *ucontext )
}
/***********************************************************************
* __wine_set_signal_handler (NTDLL.@)
*/
int CDECL __wine_set_signal_handler(unsigned int sig, wine_signal_handler wsh)
{
if (sig >= ARRAY_SIZE(handlers)) return -1;
if (handlers[sig] != NULL) return -2;
handlers[sig] = wsh;
return 0;
}
/**********************************************************************
* signal_init_process
*/