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Split signal blocking code out of SIGNAL_Reset into SIGNAL_Block. 

Added SIGTERM handler.
This commit is contained in:
Alexandre Julliard 2003-03-21 23:45:26 +00:00
parent bace7a11ca
commit 6a26e3f7ac
6 changed files with 129 additions and 54 deletions
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2
dlls/ntdll/exception.c
View File

@ -54,8 +54,6 @@ typedef struct
# error You must define GET_IP for this CPU
#endif
extern void SIGNAL_Unblock(void);
void WINAPI EXC_RtlRaiseException( PEXCEPTION_RECORD, PCONTEXT );
void WINAPI EXC_RtlUnwind( PEXCEPTION_FRAME, LPVOID,
PEXCEPTION_RECORD, DWORD, PCONTEXT );

61
dlls/ntdll/signal_i386.c
View File

@ -422,8 +422,6 @@ typedef int (*wine_signal_handler)(unsigned int sig);
static wine_signal_handler handlers[256];
static sigset_t all_sigs;
extern void WINAPI EXC_RtlRaiseException( PEXCEPTION_RECORD, PCONTEXT );
/***********************************************************************
@ -752,17 +750,6 @@ static inline DWORD get_fpu_code( const CONTEXT *context )
}
/***********************************************************************
* SIGNAL_Unblock
*
* Unblock signals. Called from EXC_RtlRaiseException.
*/
void SIGNAL_Unblock( void )
{
sigprocmask( SIG_UNBLOCK, &all_sigs, NULL );
}
/**********************************************************************
* do_segv
*
@ -1105,6 +1092,18 @@ static HANDLER_DEF(abrt_handler)
}
/**********************************************************************
* term_handler
*
* Handler for SIGTERM.
*/
static HANDLER_DEF(term_handler)
{
init_handler( HANDLER_CONTEXT );
SYSDEPS_AbortThread(0);
}
/**********************************************************************
* usr1_handler
*
@ -1197,13 +1196,12 @@ BOOL SIGNAL_Init(void)
}
#endif /* HAVE_SIGALTSTACK */
sigfillset( &all_sigs );
if (set_handler( SIGINT, have_sigaltstack, (void (*)())int_handler ) == -1) goto error;
if (set_handler( SIGFPE, have_sigaltstack, (void (*)())fpe_handler ) == -1) goto error;
if (set_handler( SIGSEGV, have_sigaltstack, (void (*)())segv_handler ) == -1) goto error;
if (set_handler( SIGILL, have_sigaltstack, (void (*)())segv_handler ) == -1) goto error;
if (set_handler( SIGABRT, have_sigaltstack, (void (*)())abrt_handler ) == -1) goto error;
if (set_handler( SIGTERM, have_sigaltstack, (void (*)())term_handler ) == -1) goto error;
if (set_handler( SIGUSR1, have_sigaltstack, (void (*)())usr1_handler ) == -1) goto error;
#ifdef SIGBUS
if (set_handler( SIGBUS, have_sigaltstack, (void (*)())segv_handler ) == -1) goto error;
@ -1226,13 +1224,14 @@ BOOL SIGNAL_Init(void)
/**********************************************************************
* SIGNAL_Reset
* SIGNAL_Block
*
* Block the async signals.
*/
void SIGNAL_Reset(void)
void SIGNAL_Block(void)
{
sigset_t block_set;
/* block the async signals */
sigemptyset( &block_set );
sigaddset( &block_set, SIGALRM );
sigaddset( &block_set, SIGIO );
@ -1240,12 +1239,36 @@ void SIGNAL_Reset(void)
sigaddset( &block_set, SIGUSR1 );
sigaddset( &block_set, SIGUSR2 );
sigprocmask( SIG_BLOCK, &block_set, NULL );
}
/* restore default handlers */
/***********************************************************************
* SIGNAL_Unblock
*
* Unblock signals. Called from EXC_RtlRaiseException.
*/
void SIGNAL_Unblock(void)
{
sigset_t all_sigs;
sigfillset( &all_sigs );
sigprocmask( SIG_UNBLOCK, &all_sigs, NULL );
}
/**********************************************************************
* SIGNAL_Reset
*
* Restore the default handlers.
*/
void SIGNAL_Reset(void)
{
signal( SIGINT, SIG_DFL );
signal( SIGFPE, SIG_DFL );
signal( SIGSEGV, SIG_DFL );
signal( SIGILL, SIG_DFL );
signal( SIGABRT, SIG_DFL );
signal( SIGTERM, SIG_DFL );
#ifdef SIGBUS
signal( SIGBUS, SIG_DFL );
#endif

58
dlls/ntdll/signal_powerpc.c
View File

@ -76,8 +76,6 @@ typedef int (*wine_signal_handler)(unsigned int sig);
static wine_signal_handler handlers[256];
static sigset_t all_sigs;
extern void WINAPI EXC_RtlRaiseException( PEXCEPTION_RECORD, PCONTEXT );
/***********************************************************************
@ -190,16 +188,6 @@ static inline DWORD get_fpu_code( const CONTEXT *context )
}
/***********************************************************************
* SIGNAL_Unblock
*
* Unblock signals. Called from EXC_RtlRaiseException.
*/
void SIGNAL_Unblock( void )
{
sigprocmask( SIG_UNBLOCK, &all_sigs, NULL );
}
/**********************************************************************
* segv_handler
*
@ -403,6 +391,17 @@ static HANDLER_DEF(abrt_handler)
}
/**********************************************************************
* term_handler
*
* Handler for SIGTERM.
*/
static HANDLER_DEF(term_handler)
{
SYSDEPS_AbortThread(0);
}
/**********************************************************************
* usr1_handler
*
@ -474,6 +473,7 @@ BOOL SIGNAL_Init(void)
if (set_handler( SIGSEGV, have_sigaltstack, (void (*)())segv_handler ) == -1) goto error;
if (set_handler( SIGILL, have_sigaltstack, (void (*)())segv_handler ) == -1) goto error;
if (set_handler( SIGABRT, have_sigaltstack, (void (*)())abrt_handler ) == -1) goto error;
if (set_handler( SIGTERM, have_sigaltstack, (void (*)())term_handler ) == -1) goto error;
if (set_handler( SIGUSR1, have_sigaltstack, (void (*)())usr1_handler ) == -1) goto error;
#ifdef SIGBUS
if (set_handler( SIGBUS, have_sigaltstack, (void (*)())segv_handler ) == -1) goto error;
@ -491,13 +491,14 @@ BOOL SIGNAL_Init(void)
/**********************************************************************
* SIGNAL_Reset
* SIGNAL_Block
*
* Block the async signals.
*/
void SIGNAL_Reset(void)
void SIGNAL_Block(void)
{
sigset_t block_set;
/* block the async signals */
sigemptyset( &block_set );
sigaddset( &block_set, SIGALRM );
sigaddset( &block_set, SIGIO );
@ -505,12 +506,36 @@ void SIGNAL_Reset(void)
sigaddset( &block_set, SIGUSR1 );
sigaddset( &block_set, SIGUSR2 );
sigprocmask( SIG_BLOCK, &block_set, NULL );
}
/* restore default handlers */
/***********************************************************************
* SIGNAL_Unblock
*
* Unblock signals. Called from EXC_RtlRaiseException.
*/
void SIGNAL_Unblock(void)
{
sigset_t all_sigs;
sigfillset( &all_sigs );
sigprocmask( SIG_UNBLOCK, &all_sigs, NULL );
}
/**********************************************************************
* SIGNAL_Reset
*
* Restore the default handlers.
*/
void SIGNAL_Reset(void)
{
signal( SIGINT, SIG_DFL );
signal( SIGFPE, SIG_DFL );
signal( SIGSEGV, SIG_DFL );
signal( SIGILL, SIG_DFL );
signal( SIGABRT, SIG_DFL );
signal( SIGTERM, SIG_DFL );
#ifdef SIGBUS
signal( SIGBUS, SIG_DFL );
#endif
@ -519,6 +544,7 @@ void SIGNAL_Reset(void)
#endif
}
/**********************************************************************
* __wine_enter_vm86 (NTDLL.@)
*/

58
dlls/ntdll/signal_sparc.c
View File

@ -49,8 +49,6 @@ typedef int (*wine_signal_handler)(unsigned int sig);
static wine_signal_handler handlers[256];
static sigset_t all_sigs;
extern void WINAPI EXC_RtlRaiseException( PEXCEPTION_RECORD, PCONTEXT );
/***********************************************************************
@ -368,6 +366,17 @@ static HANDLER_DEF(abrt_handler)
}
/**********************************************************************
* term_handler
*
* Handler for SIGTERM.
*/
static HANDLER_DEF(term_handler)
{
SYSDEPS_AbortThread(0);
}
/**********************************************************************
* usr1_handler
*
@ -410,17 +419,6 @@ int __wine_set_signal_handler(unsigned int sig, wine_signal_handler wsh)
}
/***********************************************************************
* SIGNAL_Unblock
*
* Unblock signals. Called from EXC_RtlRaiseException.
*/
void SIGNAL_Unblock( void )
{
sigprocmask( SIG_UNBLOCK, &all_sigs, NULL );
}
/**********************************************************************
* SIGNAL_Init
*/
@ -435,6 +433,7 @@ BOOL SIGNAL_Init(void)
if (set_handler( SIGBUS, (void (*)())bus_handler ) == -1) goto error;
if (set_handler( SIGTRAP, (void (*)())trap_handler ) == -1) goto error;
if (set_handler( SIGABRT, (void (*)())abrt_handler ) == -1) goto error;
if (set_handler( SIGTERM, (void (*)())term_handler ) == -1) goto error;
if (set_handler( SIGUSR1, (void (*)())usr1_handler ) == -1) goto error;
return TRUE;
@ -445,13 +444,14 @@ BOOL SIGNAL_Init(void)
/**********************************************************************
* SIGNAL_Reset
* SIGNAL_Block
*
* Block the async signals.
*/
void SIGNAL_Reset(void)
void SIGNAL_Block(void)
{
sigset_t block_set;
/* block the async signals */
sigemptyset( &block_set );
sigaddset( &block_set, SIGALRM );
sigaddset( &block_set, SIGIO );
@ -459,14 +459,38 @@ void SIGNAL_Reset(void)
sigaddset( &block_set, SIGUSR1 );
sigaddset( &block_set, SIGUSR2 );
sigprocmask( SIG_BLOCK, &block_set, NULL );
}
/* restore default handlers */
/***********************************************************************
* SIGNAL_Unblock
*
* Unblock signals. Called from EXC_RtlRaiseException.
*/
void SIGNAL_Unblock(void)
{
sigset_t all_sigs;
sigfillset( &all_sigs );
sigprocmask( SIG_UNBLOCK, &all_sigs, NULL );
}
/**********************************************************************
* SIGNAL_Reset
*
* Restore the default handlers.
*/
void SIGNAL_Reset(void)
{
signal( SIGINT, SIG_DFL );
signal( SIGFPE, SIG_DFL );
signal( SIGSEGV, SIG_DFL );
signal( SIGILL, SIG_DFL );
signal( SIGBUS, SIG_DFL );
signal( SIGTRAP, SIG_DFL );
signal( SIGABRT, SIG_DFL );
signal( SIGTERM, SIG_DFL );
}

2
include/thread.h
View File

@ -153,6 +153,8 @@ extern void DECLSPEC_NORETURN SYSDEPS_SwitchToThreadStack( void (*func)(void) );
/* signal handling */
extern BOOL SIGNAL_Init(void);
extern void SIGNAL_Block(void);
extern void SIGNAL_Unblock(void);
extern void SIGNAL_Reset(void);
#endif /* __WINE_THREAD_H */

2
scheduler/sysdeps.c
View File

@ -284,6 +284,7 @@ void SYSDEPS_ExitThread( int status )
info.stack_size = meminfo.RegionSize + ((char *)teb->stack_top - (char *)meminfo.AllocationBase);
info.status = status;
SIGNAL_Block();
SIGNAL_Reset();
VirtualFree( teb->stack_base, 0, MEM_RELEASE | MEM_SYSTEM );
@ -304,6 +305,7 @@ void SYSDEPS_ExitThread( int status )
*/
void SYSDEPS_AbortThread( int status )
{
SIGNAL_Block();
SIGNAL_Reset();
close( NtCurrentTeb()->wait_fd[0] );
close( NtCurrentTeb()->wait_fd[1] );