diff options
Diffstat (limited to 'winsup/cygwin/cygtls.h')
| -rw-r--r-- | winsup/cygwin/cygtls.h | 76 |
1 files changed, 74 insertions, 2 deletions
diff --git a/winsup/cygwin/cygtls.h b/winsup/cygwin/cygtls.h index 7ee1ddcc1..2ac6d04b3 100644 --- a/winsup/cygwin/cygtls.h +++ b/winsup/cygwin/cygtls.h @@ -16,8 +16,34 @@ details. */ #define _NOMNTENT_FUNCS #include <mntent.h> #undef _NOMNTENT_FUNCS -#define USE_SYS_TYPES_FD_SET -#include <winsock.h> +#include <setjmp.h> + +#ifndef _WINSOCK_H +/* Stupid hack: Including winsock.h explicitly causes too many problems. */ +struct sockaddr_in +{ + short sin_family; + u_short sin_port; + struct in_addr + { + union + { + struct + { + u_char s_b1, s_b2, s_b3, s_b4; + } S_un_b; + struct + { + u_short s_w1, s_w2; + } S_un_w; + u_long S_addr; + } S_un; + }; + struct in_addr sin_addr; + char sin_zero[8]; +}; +typedef unsigned int SOCKET; +#endif #define CYGTLS_INITIALIZED 0x43227 #define CYGTLS_EXCEPTION (0x43227 + true) @@ -118,6 +144,12 @@ typedef struct struct_waitq of the compiler used to generate tlsoffsets.h and the cygwin cross compiler. */ +/*gentls_offsets*/ +#include "cygerrno.h" + +extern "C" int __sjfault (jmp_buf); +/*gentls_offsets*/ + typedef __uint32_t __stack_t; struct _cygtls { @@ -142,6 +174,8 @@ struct _cygtls }; struct _local_storage locals; class cygthread *_ctinfo; + void *_myfault; + int _myfault_errno; waitq wq; struct _cygtls *prev, *next; __stack_t *stackptr; @@ -172,7 +206,9 @@ struct _cygtls struct sigaction& siga) __attribute__((regparm(3))); void init_threadlist_exceptions (struct _exception_list *); +#ifdef _THREAD_H operator HANDLE () const {return tid->win32_obj_id;} +#endif void set_siginfo (struct sigpacket *) __attribute__ ((regparm (3))); void set_threadkill () {threadkill = true;} void reset_threadkill () {threadkill = false;} @@ -182,6 +218,26 @@ struct _cygtls void lock () __attribute__ ((regparm (1))); void unlock () __attribute__ ((regparm (1))); bool locked () __attribute__ ((regparm (1))); + void*& fault_guarded () {return _myfault;} + void return_from_fault () + { + if (_myfault_errno) + set_errno (_myfault_errno); + longjmp ((int *) _myfault, 1); + } + int setup_fault (jmp_buf j, int myerrno) __attribute__ ((always_inline)) + { + if (_myfault) + return 0; + _myfault = (void *) j; + _myfault_errno = myerrno; + return __sjfault (j); + } + void clear_fault (jmp_buf j) __attribute__ ((always_inline)) + { + if (j == _myfault) + _myfault = NULL; + } /*gentls_offsets*/ }; #pragma pack(pop) @@ -191,6 +247,22 @@ extern char *_tlstop __asm__ ("%fs:8"); #define _my_tls (((_cygtls *) _tlsbase)[-1]) extern _cygtls *_main_tls; +/*gentls_offsets*/ +class myfault +{ + jmp_buf buf; +public: + ~myfault () __attribute__ ((always_inline)) + { + _my_tls.clear_fault (buf); + } + inline int faulted (int myerrno = 0) __attribute__ ((always_inline)) + { + return _my_tls.setup_fault (buf, myerrno); + } +}; +/*gentls_offsets*/ + #define __getreent() (&_my_tls.local_clib) const int CYGTLS_PADSIZE = (((char *) _main_tls->padding) - ((char *) _main_tls)); |