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Source file src/runtime/defs_linux_386.go

Documentation: runtime

     1  // created by cgo -cdefs and then converted to Go
     2  // cgo -cdefs defs2_linux.go
     3  
     4  package runtime
     5  
     6  import "unsafe"
     7  
     8  const (
     9  	_EINTR  = 0x4
    10  	_EAGAIN = 0xb
    11  	_ENOMEM = 0xc
    12  
    13  	_PROT_NONE  = 0x0
    14  	_PROT_READ  = 0x1
    15  	_PROT_WRITE = 0x2
    16  	_PROT_EXEC  = 0x4
    17  
    18  	_MAP_ANON    = 0x20
    19  	_MAP_PRIVATE = 0x2
    20  	_MAP_FIXED   = 0x10
    21  
    22  	_MADV_DONTNEED   = 0x4
    23  	_MADV_FREE       = 0x8
    24  	_MADV_HUGEPAGE   = 0xe
    25  	_MADV_NOHUGEPAGE = 0xf
    26  	_MADV_COLLAPSE   = 0x19
    27  
    28  	_SA_RESTART  = 0x10000000
    29  	_SA_ONSTACK  = 0x8000000
    30  	_SA_RESTORER = 0x4000000
    31  	_SA_SIGINFO  = 0x4
    32  
    33  	_SI_KERNEL = 0x80
    34  	_SI_TIMER  = -0x2
    35  
    36  	_SIGHUP    = 0x1
    37  	_SIGINT    = 0x2
    38  	_SIGQUIT   = 0x3
    39  	_SIGILL    = 0x4
    40  	_SIGTRAP   = 0x5
    41  	_SIGABRT   = 0x6
    42  	_SIGBUS    = 0x7
    43  	_SIGFPE    = 0x8
    44  	_SIGKILL   = 0x9
    45  	_SIGUSR1   = 0xa
    46  	_SIGSEGV   = 0xb
    47  	_SIGUSR2   = 0xc
    48  	_SIGPIPE   = 0xd
    49  	_SIGALRM   = 0xe
    50  	_SIGSTKFLT = 0x10
    51  	_SIGCHLD   = 0x11
    52  	_SIGCONT   = 0x12
    53  	_SIGSTOP   = 0x13
    54  	_SIGTSTP   = 0x14
    55  	_SIGTTIN   = 0x15
    56  	_SIGTTOU   = 0x16
    57  	_SIGURG    = 0x17
    58  	_SIGXCPU   = 0x18
    59  	_SIGXFSZ   = 0x19
    60  	_SIGVTALRM = 0x1a
    61  	_SIGPROF   = 0x1b
    62  	_SIGWINCH  = 0x1c
    63  	_SIGIO     = 0x1d
    64  	_SIGPWR    = 0x1e
    65  	_SIGSYS    = 0x1f
    66  
    67  	_SIGRTMIN = 0x20
    68  
    69  	_FPE_INTDIV = 0x1
    70  	_FPE_INTOVF = 0x2
    71  	_FPE_FLTDIV = 0x3
    72  	_FPE_FLTOVF = 0x4
    73  	_FPE_FLTUND = 0x5
    74  	_FPE_FLTRES = 0x6
    75  	_FPE_FLTINV = 0x7
    76  	_FPE_FLTSUB = 0x8
    77  
    78  	_BUS_ADRALN = 0x1
    79  	_BUS_ADRERR = 0x2
    80  	_BUS_OBJERR = 0x3
    81  
    82  	_SEGV_MAPERR = 0x1
    83  	_SEGV_ACCERR = 0x2
    84  
    85  	_ITIMER_REAL    = 0x0
    86  	_ITIMER_VIRTUAL = 0x1
    87  	_ITIMER_PROF    = 0x2
    88  
    89  	_CLOCK_THREAD_CPUTIME_ID = 0x3
    90  
    91  	_SIGEV_THREAD_ID = 0x4
    92  
    93  	_O_RDONLY   = 0x0
    94  	_O_WRONLY   = 0x1
    95  	_O_CREAT    = 0x40
    96  	_O_TRUNC    = 0x200
    97  	_O_NONBLOCK = 0x800
    98  	_O_CLOEXEC  = 0x80000
    99  
   100  	_AF_UNIX    = 0x1
   101  	_SOCK_DGRAM = 0x2
   102  )
   103  
   104  type fpreg struct {
   105  	significand [4]uint16
   106  	exponent    uint16
   107  }
   108  
   109  type fpxreg struct {
   110  	significand [4]uint16
   111  	exponent    uint16
   112  	padding     [3]uint16
   113  }
   114  
   115  type xmmreg struct {
   116  	element [4]uint32
   117  }
   118  
   119  type fpstate struct {
   120  	cw        uint32
   121  	sw        uint32
   122  	tag       uint32
   123  	ipoff     uint32
   124  	cssel     uint32
   125  	dataoff   uint32
   126  	datasel   uint32
   127  	_st       [8]fpreg
   128  	status    uint16
   129  	magic     uint16
   130  	_fxsr_env [6]uint32
   131  	mxcsr     uint32
   132  	reserved  uint32
   133  	_fxsr_st  [8]fpxreg
   134  	_xmm      [8]xmmreg
   135  	padding1  [44]uint32
   136  	anon0     [48]byte
   137  }
   138  
   139  type timespec struct {
   140  	tv_sec  int32
   141  	tv_nsec int32
   142  }
   143  
   144  //go:nosplit
   145  func (ts *timespec) setNsec(ns int64) {
   146  	ts.tv_sec = timediv(ns, 1e9, &ts.tv_nsec)
   147  }
   148  
   149  type timeval struct {
   150  	tv_sec  int32
   151  	tv_usec int32
   152  }
   153  
   154  func (tv *timeval) set_usec(x int32) {
   155  	tv.tv_usec = x
   156  }
   157  
   158  type sigactiont struct {
   159  	sa_handler  uintptr
   160  	sa_flags    uint32
   161  	sa_restorer uintptr
   162  	sa_mask     uint64
   163  }
   164  
   165  type siginfoFields struct {
   166  	si_signo int32
   167  	si_errno int32
   168  	si_code  int32
   169  	// below here is a union; si_addr is the only field we use
   170  	si_addr uint32
   171  }
   172  
   173  type siginfo struct {
   174  	siginfoFields
   175  
   176  	// Pad struct to the max size in the kernel.
   177  	_ [_si_max_size - unsafe.Sizeof(siginfoFields{})]byte
   178  }
   179  
   180  type stackt struct {
   181  	ss_sp    *byte
   182  	ss_flags int32
   183  	ss_size  uintptr
   184  }
   185  
   186  type sigcontext struct {
   187  	gs            uint16
   188  	__gsh         uint16
   189  	fs            uint16
   190  	__fsh         uint16
   191  	es            uint16
   192  	__esh         uint16
   193  	ds            uint16
   194  	__dsh         uint16
   195  	edi           uint32
   196  	esi           uint32
   197  	ebp           uint32
   198  	esp           uint32
   199  	ebx           uint32
   200  	edx           uint32
   201  	ecx           uint32
   202  	eax           uint32
   203  	trapno        uint32
   204  	err           uint32
   205  	eip           uint32
   206  	cs            uint16
   207  	__csh         uint16
   208  	eflags        uint32
   209  	esp_at_signal uint32
   210  	ss            uint16
   211  	__ssh         uint16
   212  	fpstate       *fpstate
   213  	oldmask       uint32
   214  	cr2           uint32
   215  }
   216  
   217  type ucontext struct {
   218  	uc_flags    uint32
   219  	uc_link     *ucontext
   220  	uc_stack    stackt
   221  	uc_mcontext sigcontext
   222  	uc_sigmask  uint32
   223  }
   224  
   225  type itimerspec struct {
   226  	it_interval timespec
   227  	it_value    timespec
   228  }
   229  
   230  type itimerval struct {
   231  	it_interval timeval
   232  	it_value    timeval
   233  }
   234  
   235  type sigeventFields struct {
   236  	value  uintptr
   237  	signo  int32
   238  	notify int32
   239  	// below here is a union; sigev_notify_thread_id is the only field we use
   240  	sigev_notify_thread_id int32
   241  }
   242  
   243  type sigevent struct {
   244  	sigeventFields
   245  
   246  	// Pad struct to the max size in the kernel.
   247  	_ [_sigev_max_size - unsafe.Sizeof(sigeventFields{})]byte
   248  }
   249  
   250  type sockaddr_un struct {
   251  	family uint16
   252  	path   [108]byte
   253  }
   254  

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