From: Christopher Faylor Date: Wed, 18 May 2005 23:30:02 +0000 (+0000) Subject: * cygtls.h (_local_storage::unknown_thread_name): New buffer. X-Git-Tag: msnyder-tracepoint-checkpoint-branchpoint~48 X-Git-Url: https://sourceware.org/git/?a=commitdiff_plain;h=24515d6563060fda3ad1d0cfa7bbb6936521895b;p=newlib-cygwin.git * cygtls.h (_local_storage::unknown_thread_name): New buffer. * tlsoffsets.h: Regenerate. * cygthread.cc (cygthread::name): Use new thread-local buffer. * exceptions.cc (handle_exceptions): Avoid unnecessary initialization of static variables to zero. * fork.cc (slow_pid_reuse) Ditto. --- diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index f9c95278b..a074d52cc 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -1,3 +1,12 @@ +2005-05-18 Christopher Faylor + + * cygtls.h (_local_storage::unknown_thread_name): New buffer. + * tlsoffsets.h: Regenerate. + * cygthread.cc (cygthread::name): Use new thread-local buffer. + * exceptions.cc (handle_exceptions): Avoid unnecessary initialization + of static variables to zero. + * fork.cc (slow_pid_reuse) Ditto. + 2005-05-18 Corinna Vinschen * mmap.cc (mmap64): Avoid compiler warning. @@ -234,7 +243,6 @@ * fhandler_socket.cc (get_inet_addr): Add missing __seterrno call. - 2005-05-01 Christopher Faylor * fhandler_tty.cc (fhandler_tty_slave::read): Actually read input when diff --git a/winsup/cygwin/cygthread.cc b/winsup/cygwin/cygthread.cc index 59b13be4f..d032b0f07 100644 --- a/winsup/cygwin/cygthread.cc +++ b/winsup/cygwin/cygthread.cc @@ -210,9 +210,8 @@ cygthread::name (DWORD tid) if (!res) { - static char buf[30] NO_COPY = {0}; - __small_sprintf (buf, "unknown (%p)", tid); - res = buf; + __small_sprintf (_my_tls.locals.unknown_thread_name, "unknown (%p)", tid); + res = _my_tls.locals.unknown_thread_name; } return res; diff --git a/winsup/cygwin/cygtls.h b/winsup/cygwin/cygtls.h index 18f715316..257c8acf9 100644 --- a/winsup/cygwin/cygtls.h +++ b/winsup/cygwin/cygtls.h @@ -92,6 +92,9 @@ struct _local_storage struct servent *servent_buf; // note: malloced struct hostent *hostent_buf; // note: malloced char signamebuf[sizeof ("Unknown signal 4294967295 ")]; + + /* cygthread.cc */ + char unknown_thread_name[30]; }; typedef struct struct_waitq diff --git a/winsup/cygwin/exceptions.cc b/winsup/cygwin/exceptions.cc index fb4e0e91f..b886e3460 100644 --- a/winsup/cygwin/exceptions.cc +++ b/winsup/cygwin/exceptions.cc @@ -388,8 +388,8 @@ extern "C" DWORD __stdcall RtlUnwind (void *, void *, void *, DWORD); static int handle_exceptions (EXCEPTION_RECORD *e0, void *frame, CONTEXT *in0, void *) { - static bool NO_COPY debugging = false; - static int NO_COPY recursed = 0; + static bool NO_COPY debugging; + static int NO_COPY recursed; if (debugging && ++debugging < 500000) { diff --git a/winsup/cygwin/fork.cc b/winsup/cygwin/fork.cc index ba7a91e22..f2e287c73 100644 --- a/winsup/cygwin/fork.cc +++ b/winsup/cygwin/fork.cc @@ -252,8 +252,8 @@ fork_child (HANDLE& hParent, dll *&first_dll, bool& load_dlls) static void slow_pid_reuse (HANDLE h) { - static NO_COPY HANDLE last_fork_procs[NPIDS_HELD] = {0}; - static NO_COPY unsigned nfork_procs = 0; + static NO_COPY HANDLE last_fork_procs[NPIDS_HELD]; + static NO_COPY unsigned nfork_procs; if (nfork_procs >= (sizeof (last_fork_procs) / sizeof (last_fork_procs [0]))) nfork_procs = 0; diff --git a/winsup/cygwin/tlsoffsets.h b/winsup/cygwin/tlsoffsets.h index a99b38b66..402ca0793 100644 --- a/winsup/cygwin/tlsoffsets.h +++ b/winsup/cygwin/tlsoffsets.h @@ -1,117 +1,117 @@ //;# autogenerated: Do not edit. -//; $tls::sizeof__cygtls = 3936; -//; $tls::func = -3936; +//; $tls::sizeof__cygtls = 3964; +//; $tls::func = -3964; //; $tls::pfunc = 0; -//; $tls::saved_errno = -3932; +//; $tls::saved_errno = -3960; //; $tls::psaved_errno = 4; -//; $tls::sa_flags = -3928; +//; $tls::sa_flags = -3956; //; $tls::psa_flags = 8; -//; $tls::oldmask = -3924; +//; $tls::oldmask = -3952; //; $tls::poldmask = 12; -//; $tls::deltamask = -3920; +//; $tls::deltamask = -3948; //; $tls::pdeltamask = 16; -//; $tls::event = -3916; +//; $tls::event = -3944; //; $tls::pevent = 20; -//; $tls::errno_addr = -3912; +//; $tls::errno_addr = -3940; //; $tls::perrno_addr = 24; -//; $tls::initialized = -3908; +//; $tls::initialized = -3936; //; $tls::pinitialized = 28; -//; $tls::sigmask = -3904; +//; $tls::sigmask = -3932; //; $tls::psigmask = 32; -//; $tls::sigwait_mask = -3900; +//; $tls::sigwait_mask = -3928; //; $tls::psigwait_mask = 36; -//; $tls::sigwait_info = -3896; +//; $tls::sigwait_info = -3924; //; $tls::psigwait_info = 40; -//; $tls::threadkill = -3892; +//; $tls::threadkill = -3920; //; $tls::pthreadkill = 44; -//; $tls::infodata = -3888; +//; $tls::infodata = -3916; //; $tls::pinfodata = 48; -//; $tls::tid = -3740; +//; $tls::tid = -3768; //; $tls::ptid = 196; -//; $tls::local_clib = -3736; +//; $tls::local_clib = -3764; //; $tls::plocal_clib = 200; -//; $tls::__dontuse = -3736; +//; $tls::__dontuse = -3764; //; $tls::p__dontuse = 200; -//; $tls::locals = -2672; +//; $tls::locals = -2700; //; $tls::plocals = 1264; //; $tls::_ctinfo = -1084; -//; $tls::p_ctinfo = 2852; +//; $tls::p_ctinfo = 2880; //; $tls::wq = -1080; -//; $tls::pwq = 2856; +//; $tls::pwq = 2884; //; $tls::prev = -1052; -//; $tls::pprev = 2884; +//; $tls::pprev = 2912; //; $tls::next = -1048; -//; $tls::pnext = 2888; +//; $tls::pnext = 2916; //; $tls::stackptr = -1044; -//; $tls::pstackptr = 2892; +//; $tls::pstackptr = 2920; //; $tls::sig = -1040; -//; $tls::psig = 2896; +//; $tls::psig = 2924; //; $tls::incyg = -1036; -//; $tls::pincyg = 2900; +//; $tls::pincyg = 2928; //; $tls::spinning = -1032; -//; $tls::pspinning = 2904; +//; $tls::pspinning = 2932; //; $tls::stacklock = -1028; -//; $tls::pstacklock = 2908; +//; $tls::pstacklock = 2936; //; $tls::stack = -1024; -//; $tls::pstack = 2912; +//; $tls::pstack = 2940; //; $tls::padding = 0; -//; $tls::ppadding = 3936; +//; $tls::ppadding = 3964; //; __DATA__ -#define tls_func (-3936) +#define tls_func (-3964) #define tls_pfunc (0) -#define tls_saved_errno (-3932) +#define tls_saved_errno (-3960) #define tls_psaved_errno (4) -#define tls_sa_flags (-3928) +#define tls_sa_flags (-3956) #define tls_psa_flags (8) -#define tls_oldmask (-3924) +#define tls_oldmask (-3952) #define tls_poldmask (12) -#define tls_deltamask (-3920) +#define tls_deltamask (-3948) #define tls_pdeltamask (16) -#define tls_event (-3916) +#define tls_event (-3944) #define tls_pevent (20) -#define tls_errno_addr (-3912) +#define tls_errno_addr (-3940) #define tls_perrno_addr (24) -#define tls_initialized (-3908) +#define tls_initialized (-3936) #define tls_pinitialized (28) -#define tls_sigmask (-3904) +#define tls_sigmask (-3932) #define tls_psigmask (32) -#define tls_sigwait_mask (-3900) +#define tls_sigwait_mask (-3928) #define tls_psigwait_mask (36) -#define tls_sigwait_info (-3896) +#define tls_sigwait_info (-3924) #define tls_psigwait_info (40) -#define tls_threadkill (-3892) +#define tls_threadkill (-3920) #define tls_pthreadkill (44) -#define tls_infodata (-3888) +#define tls_infodata (-3916) #define tls_pinfodata (48) -#define tls_tid (-3740) +#define tls_tid (-3768) #define tls_ptid (196) -#define tls_local_clib (-3736) +#define tls_local_clib (-3764) #define tls_plocal_clib (200) -#define tls___dontuse (-3736) +#define tls___dontuse (-3764) #define tls_p__dontuse (200) -#define tls_locals (-2672) +#define tls_locals (-2700) #define tls_plocals (1264) #define tls__ctinfo (-1084) -#define tls_p_ctinfo (2852) +#define tls_p_ctinfo (2880) #define tls_wq (-1080) -#define tls_pwq (2856) +#define tls_pwq (2884) #define tls_prev (-1052) -#define tls_pprev (2884) +#define tls_pprev (2912) #define tls_next (-1048) -#define tls_pnext (2888) +#define tls_pnext (2916) #define tls_stackptr (-1044) -#define tls_pstackptr (2892) +#define tls_pstackptr (2920) #define tls_sig (-1040) -#define tls_psig (2896) +#define tls_psig (2924) #define tls_incyg (-1036) -#define tls_pincyg (2900) +#define tls_pincyg (2928) #define tls_spinning (-1032) -#define tls_pspinning (2904) +#define tls_pspinning (2932) #define tls_stacklock (-1028) -#define tls_pstacklock (2908) +#define tls_pstacklock (2936) #define tls_stack (-1024) -#define tls_pstack (2912) +#define tls_pstack (2940) #define tls_padding (0) -#define tls_ppadding (3936) +#define tls_ppadding (3964)